Department of Civil Engineering



Professor Ranjith Dissanayake

Senior Professor, Dept. of Civil Engineering, University of Peradeniya
Secretary, State Ministry of Rural Roads and other Infrastructures
Chairman, Green Building Council of Sri Lanka


Office Address:

Department of Civil Engineering,

University of Peradeniya,

Peradeniya,20400,

Sri Lanka.

ranjith@eng.pdn.ac.lk
ranjith@fulbrightmail.org
+94-77-7809895, +94-81-2393581

    Prof. Ranjith Dissanayake is a Senior Professor in Civil Engineering, University of Peradeniya, Sri Lanka and Presently the Secretary to the State Ministry of Rural Roads and other Infrastructure. He also served as the secretary to the State Ministry of Urban Development. Prof. Dissanayake was a Fulbright Scholar in USA, Endeavour Fellow in Australia, and JASSO Research Fellow in Japan. He was awarded the Young Scientist Award in 2007 for Excellence in Scientific Research by the NSTC of Sri Lanka. He received the Overseas Prize of the ICE in 2007, UK and the Australia Alumni Excellence Award in 2012. He has published over 150 papers. He has chaired more than ten international conferences. He is a fellow of the Institution of Engineers, Sri Lanka (IESL). He is the Chairman of the Green Building Council of Sri Lanka (GBCSL) and Civil Engineering Sectional Committee of Institution of Engineers, Sri Lanka (IESL). Also, he is a Vice President of IESL and Chamber of Construction Industry (CCI). In private sector, he is the Chairman for Lego International (Pvt.) Ltd, ICB (Pvt.) Ltd, Lanka AAC (Pvt) Ltd and GAP (Pvt) Ltd. He is chairing the 12 th International Conference on Structural Engineering and Construction Management which will be held at Earl's Regency Kandy Sri Lanka in 2021 (www.icsbe.org)
  • PhD : Ehime University, Matsuyama, Japan (1998)
  • MEng : Ehime University, Matsuyama, Japan (1995)
  • BScEng : University of Peradeniya, Sri Lanka (1991)
  • Fellow, Institution of Engineers, Sri Lanka (2012)
  • Fellow, International Institute for infrastructure Renewal and Reconstruction (2014)
  • Member, the Society of Structural Engineers, Sri Lanka (1999)
  • Chartered Engineer (since 2004)
  • Member, Engineering Council, Sri Lanka (2021)
  • Member, the American Concrete Institute (ACI) (2018)
  • Fellow, Chamber of Construction Industry (2017)
  • Member, Green Building Council of Sri Lanka (GBCSL) (2010)
  • Member, Promotion of Sustainability in Postgraduate Education and Research Network (ProSPER.Net) (2014)
  • Member, Toastmasters International (2003)
  • Member, Engineers Without Borders (EWB)- International (2014)
  • Member, Earthquake Engineering Research Institute, (EERI) (2015)
  • Fulbright Scholarship for advanced research, USA, 2008
  • JASSO Research Fellowship, Japan, 2007
  • Endeavour Awards, Monash University, Australia, 2008
  • Monbusho Scholarship, Japan, 1992
  • Overseas Prize for the paper published in ICE (Institution of Civil Engineers, London, UK, 2007
  • Research Award, Vanderplaats Research & Development, Colorado, USA 2003
  • Research Fellow, University of Ehime, Matsuyama, Japan,1998
  • Scholarship of 1.5 month at Bandapal Center, USA, 2005
  • International Exchange Award on Architecture at Osaka Japan,1999
  • Awarded Advanced Communicator Bronze (ACB) from Toastmaster International, USA,2010
  • Endeavour Awards, Monash University, Australia, 2008
  • JASSO Research Fellowship in Japan 2007 (Japan Student Service Organization)
  • SD&CC Award-2008, IESL, Paper on "Cost and Reliability Interaction in Bridge Maintenance", awarded on 17th October, 2008
  • The President's Research Bonus-1999 for the Authorship of the following citation: Int. J. Num. Methods in engineering, 45: 195-214, 1999, awarded on 30th June, 2001
  • President's award for attending research in foreign country in 2003-2004
  • Invited by Osaka Foundation of International Exchange to follow Program for Short-term Overseas Trainees in Architecture and Arts, October 7 to November 5, 1999
  • Young Scientist Award in 2007 for Excellence in Scientific Research by the NSTC of Sri Lanka
  • SD&CC Award-2008, IESL Awarded, 2008
  • 2nd Place of Nimal Chandrasena Award-2006, IESL, 2006
  • The President's Research Bonus-2018
  • NRC Merit Award for Scientific Publications in the year of 2015
  • The President's Research Bonus-1999
  • President's award for attending research in foreign country in 2003-2002
  • SUSRED AWARDS 2OI7 (Support Scheme for Supervision of Research Degrees) in recognition of the supervision of the research by National Science Foundation, 2017
  • NRC Merit award for Science publication (2010)
  • Overseas Prize for the paper published in ICE (Institution of Civil Engineers, London, UK, 2007) titled "Lessons Learnt from Tsunami Damage in Sri Lanka"
  • 2nd Place of Nimal Chandrasena Award-2006, IESL, Paper on "Artificial Neural Networks for Prediction of Service Life of the Masonry Arch Bridges", awarded on 20th October, 2006
  • E.O.E. Pereira Studentship 1988
  • Ceylon Oils and Facts Corporation Studentship 1988
  • Fellow, Institution of Engineers, Sri Lanka (2012)
  • Fellow, International Institute for infrastructure Renewal and Reconstruction (2014)
  • Member, the Society of Structural Engineers, Sri Lanka (1999)
  • Chartered Engineer (since 2004)
  • Member, the American Concrete Institute (ACI) (2018)
  • Fellow, Chamber of Construction Industry (2017)
  • Member, Green Building Council of Sri Lanka (GBCSL) (2010)
  • Member, Promotion of Sustainability in Postgraduate Education and Research Network (ProSPER.Net) (2014)
  • Member, Toastmasters International (2003)
  • Member, Engineers Without Borders (EWB)- International (2014)
  • Member, Earthquake Engineering Research Institute, (EERI) (2015)
  • Secretary, State Ministry of Rural Roads and other Infrastructures ,2020 - to date
  • Chairman, Green Building Council Sri Lanka,2016 to-date
  • Vice president Institution of Engineers, Sri Lanka (IESL) ,2020/2021
  • Senior Professor in Civil Engineering, Dept. of Civil Eng., Uni. of Peradeniya, Peradeniya, Sri Lanka.
  • Chairman, ICB (Pvt.) Ltd ,2010 -to date
  • Chairman, Lanka AAC (Pvt) Ltd,2017 to-date
  • Chairman, GAP (Pvt) Ltd ,2020 to - date
  • Chairman, Lego international (Pvt.) Ltd, Sri Lanka, 1999 to-date
  • President, Engineers Without Boarders Sri Lanka, present
  • Chairman, Civil Eng. Sectional Committee Institution of Engineers, Sri Lanka (IESL) (2018 - 2020)
  • Vice Chairman, Green Building Council of Sri Lanka (2014 - 2016)
  • Secretary, State Ministry of Urban Development (Nov. 2019 - June. 2020)
  • Head, Civil Engineering, University of Peradeniya, Sri Lanka (2014 - 2017 Jan)
  • Director, Operations Technical Secretariat, HETC Project, University of Peradeniya, Sri Lanka
  • Director, EDC, University of Peradeniya, Peradeniya, Sri Lanka (2007)
  • Executive Chairman, Training and Education Green Building Council Sri Lanka
  • Chairman, International Centre for Sustainable Built Environment
  • Research Fellow, Vanderplaats Research & Development, Colorado, USA (2003-2003)
  • Director, Eng. Design and Consultancy Centre, Uni. of Peradeniya, Peradeniya, Sri Lanka (2001-2002)
  • Senior Lecturer, Civil Engineering, University of Peradeniya, Peradeniya, Sri Lanka (1999-2010)
  • Research Fellow, University of Ehime, Matsuyama, Japan (1998-1998)
  • Teaching Assistant, University of Ehime, Japan (1995-1998)
  • Assistant Engineer, University of Peradeniya, Sri Lanka (1991-1992)
  • 2009: Endeavor Research Fellow, Monash University, Melbourne, Australia
  • 2008: Fulbright Fellow, Dept. of Civil and Engineering Mechanics, Columbia University, New York, USA
  • 2007: JASSO Research Fellow, Ehime University, Japan
  • 2003: Research Fellow, Vanderplaats Research & Development, Colorado, USA
  • 1998: Research Fellow, University of Ehime, Matsuyama, Japan
  • 2020-2023, Strengthening University-Enterprise Collaboration for Resilient Communities in Asia (SECRA), € 1 million, European Commission.
  • 2020-2022, Research Network in tackling climate change as an underlying disaster risk driver (CCA-DRR), Erasmus+, € 0,5 million.
  • 2020-2021 Development of Innovative Shelter Hospital Buildings for Infectious Diseases NSF, 2Mn.
  • RG/2002/E/01, 2002-2005, Reliability Assessment and Life Estimation of Bridges, NSF, 4 Mn, Completed.
  • 2017-2019, Capacity Building in Asia for Resilience Education (CABARET), Erasmus+, 50 Mn, Completed.
  • JFE/01/2016, 2016-2019, Fundamental Research of spread of steel girder bridge in Sri Lanka, JFE, 4 Mn, and Completed.
  • Indo-Sri Lanka, 2017-2017, Wireless Sensor In-Network Distributed Detection Mechanism for Structural Health Monitoring in Civil Structures, Ministry of Science and Technology, 5 Mn, Completed.
  • Industry, 2019-2020, Utilization of Pond Ash and Industrial Effluent Treatment Plant (ETP) Sludge in Production of Autoclaved Aerated Concrete (AAC) Blocks, Brandix Textiles Limited. 3Mn, ongoing.
  • NRC Grant Application: 11-106 Assessment, damage detection, life evaluation, repair and retrofitting of existing bridges in Sri Lanka due to overloading and environmental interaction, 3 Mn 2011.
  • NRC, Damage detection and structural assessment of existing steel and concrete structures in Sri Lanka with emphasis on connections and support details, 5 Mn, 2015.
  • Disaster Mitigation; Evaluation and Seismic Retrofitting of Structures
  • Structural Health Monitoring of Structures
  • Structural Optimization
  • Sustainable Built Environment
  • "Green Innovation and Entrepreneurship" International Conference on Sustainable Building Materials and Construction (ICSBMC-2021), 4th- 6th February,2021, India
  • "Repair or Replace structures" SBE19 Malta International Conference", which will be held on 21st and 22nd November 2019, Malta
  • "Forensic Engineering of Structural failure" 2nd International Conference on Health Monitoring of Civil & Maritime Structures 2019, Glasgow, UK
  • "Green Innovation and Entrepreneurship EdHat International Research Conference is scheduled to be held on the 29th of November 2019, Colombo Sri Lanka
  • 2nd International Conference on Health Monitoring of Civil & Maritime Structures, UK, 23rd - 24th May 2019 | Glasgow, UK
  • 25th Australasian Conference on Mechanics of Structures and Materials (ACMSM25) Brisbane, Australia, December, 2018
  • Second International Conference on Environmental Management and Green Technologies (ICGMT 2017) September 2017 at St. Peter's College of Engineering and Technology, Avadi, Chennai, India
  • International Conference on "Research and Innovations in Science, Engineering & Technology (ICRISET-2017)", organized by BVM Engineering College. 17-19 February 2017 Gujarat, India
  • International Conference on Forensic Civil Engineering 2016, Jan. 2016, Nagpur, India
  • International Conference on Waste Management (Recycling 2016), 1-2 April 2016, Guwahati, India
  • International Conference on advances in Civil Engineering, held in IMMANUEL ARASER COLLEGE OF ENGINEERING, on March 11th - 12th, 2016, Tamilnadu, India
  • International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS 2016) 2016, 3rd March 2016, Galle, Sri Lanka
  • International Conference on Forensic Civil Engineering 2016, 21-23 Jan. 2016, Nagpur, India
  • International Conference on Infrastructure Development for Environmental conservation and Sustenance, 28-30 October 2015, Tamilnadu, India
  • 1st International Conference on Infrastructure Failure and Consequences (ICIFC) 2014; 16th - 20th July 2014, Melbourne, Australia
  • International Conference on Science and Technology ICST2014, 21st-22nd Feb. 2014, Pune, India
  • International Conference on Green Building, 24th -26th Oct. 2013, Chennai, India
  • Conference on Sri Lanka-Japan Collaborative Research, March 2013, Kandy, Sri Lanka
  • 4th International Conference on Seismic Retrofitting, 02-04 May, 2012, Tabriz, Iran
  • International Conference on Structural Engineering and Construction Management, 15-17th Dec. 2011, Kandy, Sri Lanka
  • SAITM Research Symposium on Engineering Advancements (RSEA-2011), 2011, Malabe, Sri Lanka
  • The 3rd International Conference on Seismic Retrofitting, 20-22 October 2010 Tabriz, Iran
  • Ehime University Research session, in 2007, Japan
  • Professor EOE Pereira Memorial Lecture, Sept. 2019 at Institution of Engineers, Sri Lanka on "Green Entrepreneurship, A promising path towards a sustainable future"
  • Dr. C. W.W. Kannangara memorial lecture, 2019
  • Dr. C. W. W. Kannangara Memorial Lecture, 2017 on "How to apply Kannangara Policies to Modern Era"
  • Prof. E. O. E. Pereira Memorial Lecture, 2017
  • "Sri Lanka Disaster Prevention and Mitigation" in China 2017
  • "Promotion of Sustainability" at GITAM University, Hyderabad Campus Retrofitting of Structures, 2014
  • "Retrofitting of Existing Bridges", Question Time, Society of Structural Engineers, Sri Lanka, 2012
  • "Seismic Retrofitting of Structures", Question Time, Society of Structural Engineers, Sri Lanka, 2011
  • "Disaster Experience in Sri Lanka", Monash, Australia 2009
  • "Structural Health Monitoring", Columbia, New York, USA, 2009
  • "Structural Assessment", QUT, Brisbane, Australia 2009
  • "Green Building Concepts", Faculty of Dental Sciences, University of Peradeniya, 2008
  • United Nations University in Tokyo, Japan, 2007
  • "Lesson of Tsunami in Sri Lanka", Saitama University Japan, 2007
  • "Condition Assessment of Structures", Question Time, Society of Structural Engineers, Sri Lanka, 2005
  • "Engineer's Role after an Earthquake", Question Time, Society of Structural Engineers, Sri Lanka, 2006
  • "Damages Due to Earthquakes in Sri Lanka", Question Time, Society of Structural Engineers, Sri Lanka, 2005
  • Investigation and assessment of the defects of concrete in ongoing building construction of U. D. A. Housing Project, Salamulla, 2016
  • Structural Design of Outfall Structure Kandy Waste Water Management Project, 2016
  • Condition Assessment of the Building, Ocean Lanka (Pvt) Ltd., Biyagama, 2016
  • Condition Assessment of Next Manufacturing (Pvt) Ltd, Fabric Stores building, Katunayake, 2016
  • Involved in the structural design of Development of Fishery Harbours and Anchorages Project, Ministry of Fisheries And Aquatic Development, 2016-2017
  • Consultancy service and Condition Assessment of Proposed Hospital for St. George Hospitals (Pvt.) Ltd, Marawila, 2016
  • Peer review of the structural design of proposed building SLT TIER THREE DATA CENTERAT, Pitipana, 2016
  • Consultant for Investigation of Effects to Cargills Building due to the Cooling Tower in the Adjoining Property Cargills (Ceylon) Ltd., No: 40, York Street, Colombo 1, 2015
  • Consultancy service for Green Construction of Warehouse for Nestle Lanka PLC, Kurunegala Branch., 2015
  • Condition Assessment of Factory Buildings at Noritake Lanka Porcelain (Pvt) Ltd, Mathale, Sri Lanka, 2015
  • Condition Assessment of the MAS Active Trading (Pvt) Ltd., Nawala, 2015
  • Condition Assessment of Marriott Weligama Resort & Spa, Weligama, 2015
  • Condition Assessment of Lyceum School Building (Block "C") Wattala, 2015
  • Structural Investigation of the Concrete Retaining Structure, Urban Regeneration Project City of Colombo, Henamulla Housing Project -Phase 2
  • Structural Assessment of Building Proposed for Domino's Pizza outlet in Kandy 2015
  • Structural assessment, design review and failure analysis of the newly constructed cement grinding plant structure, Holcim Lanka Ltd., Galle, 2013 - 2014
  • Structural assessment of the existing packing house building for increasing its capacity, Holcim Lanka Ltd., Galle, 2013
  • Structural design for the Satalite Earth station structure for Supreme Sat Pvt. Ltd., Pallekele, 2013
  • Acceleration monitoring of the turbine chambers of the Laxapana PowerStation (with the Engineering Design Center of the University of Peradeniya), 2013
  • Pull-out Tests for Pre-heater Structure at Holcim Cement Factory, Puttalam, 2013
  • Assessment of the Structural Integrity of the Gantry Yard and Material Storage Structure at Holcim Cement Factory, Puttalam, 2013
  • Structural designs for MEP support for Mercury International Electro Mechanical Contracting Abu Dhabi, UAE, 2012
  • Condition assessment and retrofitting design for 6th floor of flour mixing plant, Prima Mill, Trincomalee (for Nawaloka Construction), 2013
  • Vibration monitoring of the HSBC Headquarters building, Colombo, 2012
  • Condition Assessment of Labour Secretariat Building at Narahenpita, 2012
  • Assessment of Pre-cast Concrete Beams of the Foot Bridge at Nachchaduwa Dam, 2012
  • Assessment of Structural Integrity of the Vocational Training Authority Building, Peradeniya, 2012
  • Proposed a total solution for the Trincomalee Holcim Coal Yard, 2012
  • Assessment of Structural Integrity of Cement Silos at Holcim Cement Factory, Galle, 2012
  • Infrastructure Development Plan for 100 welfare Centers in Disaster Prone areas by DMC, 2012
  • Green building evaluation of the proposed designs for Sri Lanka Telecom Building at Colombo, 2012
  • 16 Training Programmes on Disaster Resilient Building designs targeting construction sector practitioners by DMC, 2012
  • Proposal for the initial environmental examination report for the water supply scheme for un-served areas of the Ampara District, 2012
  • Design and Retrofitting of a Railway Bridge for Holcim Lanka Limited, 2011
  • Vibration Monitoring of the Ministry of Labor Building, 2011
  • Structural Engineering Expert Witness for Arbitration of STDP for RDA, 2011
  • Design and construction supervision projects for World Vision 2011
  • Structural appraisal of railway bridges at Holcim Lanka, Puttalam, 2010
  • Stability check for construction of the existing adjacent building for CECE 2010
  • Structural Health Monitoring of Crescat Resident, Colombo, 2010
  • Formulating Infrastructure Development Plans for Disaster Vulnerable School and Hospital of Batticaloa District for UNDP 2010
  • Formulating Infrastructure Development Plans for Disaster Vulnerable School and Hospital of Trincomalee District for UNDP 2010
  • Formulating Infrastructure Development Plans for Disaster Vulnerable School and Hospital of Ampara District for UNDP 2010
  • Investigation of Cracks on RCC Surfaces in Polonnaruwa Water Supply Project for SAIKEN 2010
  • Bridge Retrofitting NY USA 2008
  • Design Check for Cable Stabled Bridge for Engineer Without Border German, 2008
  • Seismic evaluation and retrofitting work in Japan 2007
  • Structural Stability of the Asian Paint Building at Colombo 2007
  • Investigation of failure of telecommunication tower, Belliatta, 2005
  • Investigation of the collapse of the roof trusses of the auditorium building, National Institute of Co-operative Development, Polgolla, 2005
  • Strain Measurements at AES Kelanitissa Power Plant, 2005
  • Condition Assessment of the Dutch Warehouse at Galle Fort, 2005
  • Design of Fresh water Fish Health Laboratory Complex at University of Peradeniya 2004
  • Determination of the current state of the Maligakanda old reservoir wall of National Water Supply and Drainage Board, 2003
  • Load testing of column being repaired at Gall face Hotel Colombo, 2003
  • Determination of current state of sluice gate of Udawalawe Reservoir based on strain measurements, 2003
  • Investigation of Cracks on foundations of Galvanized Steel Structures at Biyagama Switching Station 2003
  • Performance analysis of PC Plates used in bridge deck construction in Gampola and Muwagama Bridge, Contractor: Kumagai Gumi Co Ltd, Japan, 2003
  • Determination of optimized numerical analysis procedure for pre-stressed concrete beam bridges (span less than seventeen meters) in Sri Lanka, 2002
  • Board light poles, 2001, (with a group of experts in University of Peradeniya)
  • Redesign of University Swimming Pool, 2000
  • Structural appraisal of railway bridge over Kelani river, Colombo, 2000
  • Design, fabrication and installation of standard testing arrangement for Ceylon, 2000
  • Design of Ambuluwawa Dagaba, 1999
  • Retrofitting of Cable Stayed Bridge for Plan International, 1999
    Journals:
  • Aguirre-Ayerbe, I., Merino, M., Aye, S.L., Dissanayake, R., Shadiya, F. and Lopez, C.M., 2020. An evaluation of availability and adequacy of Multi-Hazard Early Warning Systems in Asian countries: A baseline study. International Journal of Disaster Risk Reduction, 49, p.101749.
  • R. M. C. M. Rajapakse, K. K. Wijesundara, R. Nascimbene, C. S. Bandara, R. Dissanayake (2019), Accounting axial-moment-shear interaction for force-based fiber modeling of RC frames, Engineering Structures, Vol. 184, pp. 15-36.
  • Chaminda S. Bandara, Sudath C. Siriwardane, Udaya I. Dissanayake and Ranjith Dissanayake (2016), Full range S-N curves for fatigue life evaluation of steels using hardness measurements, International Journal of Fatigue, Vol. 82, pp. 325-331.
  • Ranjith Dissanayake and Chaminda Bandara (2016), Retrofitting of Damaged Bridges - the Sustainable Solution, International Journal of Urban Sciences, DOI:10.1080/12265934.2016.1138877.
  • Chaminda S. Bandara, Sudath C. Siriwardane, Udaya I. Dissanayake and Ranjith Dissanayake (2016), Hardness Based Non-Destructive Method For Developing Location Specific S-N Curves For Fatigue Life Evaluation, Journal of Civil Engineering and Architecture, Vol. 10, pp. 183-191.
  • Chaminda S. Bandara, Sudath C. Siriwardane, Udaya I. Dissanayake and Ranjith Dissanayake (2015), Developing a full range S-N curve and estimating cumulative fatigue damage of steel elements, Computational Materials Science, Vol. 96, pp. 96-101.
  • Chaminda S. Bandara, Sudath C. Siriwardane, Udaya.I. Dissanayake and P.B.R. Dissanayake, Fatigue Strength Prediction Formulae for Steels and Alloys in the Gigacycle Regime, International Journal of Materials, Mechanics and Manufacturing, Aug. 2013, Vol. 1 (3), pp. 256-260.
  • Behavior of Cantilever Slabs in a Blast Environment by A.M.A.C.S. Bandara & P.B.R. Dissanayake, Journal of Civil Engineering and Architecture, Nov. 2012, Volume 6, No. 11 (Serial No.60), ISSN 1934-7359, USA.
  • Chaminda S. Bandara, Sudath C. Siriwardane, Udaya I. Dissanayake and Ranjith Dissanayake (2014), Fatigue failure predictions for steels in the very high cycle region - A review and recommendations, Engineering Failure Analysis, Vol. 45, pp. 421 - 435.
  • J.M.R.S. Appuhamy, M. Ohga, P. Chun and P.B.R. Dissanayake [2012], Consequence of Corrosion on Dynamic Behaviour of Steel Bridge Members, International Journal of Modern Engineering Research (IJMER), Vol.2, No.1, pp. 281-288.
  • J.M.R.S. Appuhamy, M. Ohga,P. Chun and P.B.R. Dissanayake [2012], Numerical Investigation of Residual Strength and Energy Dissipation Capacities of Corroded Bridge Members under Earthquake Loading, Journal of Earthquake Engineering (JEE), Vol. 17, pp. 171-186.
  • P.A.K. Karunananda, M. Ohga. P.B.R. Dissanayake and S.A.S.C. Siriwardane (2012/06), "Fatigue life prediction of steel bridges for extreme loading using a new damage indicator", Journal of Solid Mechanics and Materials Engineering, Japanese Society of Mechanical Engineers.
  • Kamal Karunananda, Mitao Ohga, Ranjith Dissanayake, Sudath Siriwardane and Pang-jo Chun (2012). "New combined high and low-cycle fatigue model to estimate life of steel bridges considering interaction of high and low amplitudes loadings", Advances in Structural Engineering, Multi-Science Publication, Vol. 15(2), pp. 313-328.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita and P.B.R. Dissanayake [2011], Reduction of Ultimate Strength due to Corrosion - A Finite Element Computational Method, International Journal of Engineering (IJE), Vol.5, No.2, pp. 194-207.
  • Kamal Karunananda, Mitao Ohga, Ranjith Dissanayake, Sudath Siriwardane, "A Combined High and Low Cycle Fatigue Model to Estimate Life of Steel Bridges", Journal of Engineering and Technology Research, 2010, Vol. 2(8), pp. 144-1600.
  • S.A.S.C. Siriwardane, M. Ohga, P.B.R. Dissanayake, T. Kaita, "Structural Appraisal-based Different Approach to Estimate the Remaining Fatigue Life of Railway Bridges", International Journal of Structural Health Monitoring, Vol 9(4), July 2010, pp 323-339.
  • Sudath Siriwardane, Mitao Ohga, Tatsumasa Kaita, Ranjith Dissanayake, "Grain-scale, Plasticity Based Fatigue Model to Estimate Fatigue Life of Steel Bridge Connections", Journal of Constructional Steel Research, 65(10-11), 2009, pp 1942-1953.
  • S. C. Siriwardane, M. Ohga, P.B.R. Dissanayake, K. Taniwaki " Application of New Damage Indicator-based Sequential Law for Remaining Fatigue Life Estimation of Railway Bridges", Journal of Constructional Steel Research, 64(2), 2008, pp 228-237.
  • S. C. Siriwardane, M. Ohga, P.B.R. Dissanayake, K. Taniwaki "Different Approaches for Remaining Fatigue Life Estimation of Critical Members In Railway Bridges", International Journal of Steel Structures, 7(4), 2007, pp 263-276.
  • Priyan Dias, P.B.R. Dissanayake, Ravihansa Chandratilake, "Lessons Learned from Tsunami Damage in Sri Lanka", Proceeding of the Institution of Civil Engineers, May 2006, Vol. 159, pp 74 - 81.
  • J.M.R.S. Appuhamy, M. Ohga, P. Chun and P.B.R. Dissanayake [2012], Consequence of Pitting Corrosion on Dynamic Behaviour of Steel Bridge Members, International Journal of Modern Engineering Research (IJMER), Vol.2, No.1, pp. 281-288.
  • Bijan Khazai, Guillermo Franco, J. Carter Ingram, Cristina Rumbaitis del Rio, Priyan Dias, P.B.R. Dissanayake, Ravihansa Chandratilake, S. Jothy Kanna, "Post- December 2004 Tsunami Reconstruction in Sri Lanka and Its Potential Impacts on Future Vulnerability", The Professional Journal of the Earthquake Engineering Research Institute, pp 829 - 844, 2007.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, P. Chun, K. Fujii and P.B.R. Dissanayake [2012], Influence of Corrosion Damage on Prediction of Residual Strength Capacities - An Experimental Analysis, Journal of Solid Mechanics and Materials Engineering (JSME), Vol.6, No.6, pp. 454-465.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, P. Chun and P.B.R. Dissanayake [2012], Enhanced Method of Predicting Tensile Strength Degradation of Steel Bridge Members due to Corrosion, Recent Patents on Corrosion Science (RPCS), Vol.2, No. 1, pp. 30-41.
  • T. Kaita, J.M.R.S. Appuhamy, M. Ohga, P.B.R. Dissanayake and K. Fujii [2012], An Enhanced Method of Predicting Effective Thickness of Corroded Steel Plates, Steel and Composite Structures (SCS), Vol.12, No. 5, pp. 379-393.
  • J.M.R.S. Appuhamy, T. Kaita, M. Ohga, P.B.R. Dissanayake and K. Fujii [2011], Prediction of Residual Strength of Corroded Tensile Steel Plates, International Journal of Steel Structures (IJOSS), Vol.11, No.1, pp. 65-79.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, K. Fujii and P.B.R. Dissanayake [2011], Development of Analytical Method for Predicting Residual Mechanical Properties of Corroded Steel Plates, International Journal of Corrosion (IJOC), Vol.2011, Doi:10.1155/2011/385083.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita and P.B.R. Dissanayake [2011], Reduction of Ultimate Strength due to Corrosion - A Finite Element Computational Method, International Journal of Engineering (IJE), Vol.5, No.2, pp. 194-207.
  • S. Ohkubo, P.B.R. Dissanayake, Multi-criteria Fuzzy Optimization of Structural Systems", International Journal for Numerical Methods in Engineering, John Wiley & Sons, 45, pp.195-214, 1999.
  • S. Ohkubo, P.B.R. Dissanayake, K. Taniwaki, "An approach to multicriteria fuzzy optimization of a prestressed concrete bridge system considering cost and aesthetic feeling" International Journal of Structural and multi-disciplinary Optimization, Springer - Verlag, 8 pages, International Society for Structural and Multidisciplinary Optimization (ISSMO), Vol. 15, No. 2, April 1998, pp 132 - 140.
  • Chamal Perera, Darshana Jayasooriya, Gimhan Jayasiri, Chameera Randil, Chaminda Bandara, Chandana Siriwardana, Ranjith Dissanayake, Sameera Hippola, Kamani Sylva, Thushara Kamalrathne and Asela Kulatunga (2020), Evaluation of gaps in early warning mechanisms and evacuation procedures for coastal communities in Sri Lanka, International Journal of Disaster Resilience in the Built Environment, DOI 10.1108/IJDRBE-07-2019-0048.
  • W.K.D. Rathnayake, D. Kularatne, S. Abeysinghe, I. Shehara, T. Fonseka, S. D. Jayasooriya, W. G. C. T. Kamalrathne, Chandana Siriwardana, C. S. Bandara and Ranjith Dissanayake (2020), Barriers and enablers of coastal disaster resilience - lessons learned from tsunami in Sri Lanka, International Journal of Disaster Resilience in the Built Environment, Vol. 11(2), pp. 275-288.
  • G. P. Jayasiri, C. S. A. Siriwardena, S. S. L. Hettiarachchi, P. B. R. Dissanayake, C. S. Bandara (2018), Evaluation of Community Resilience Aspects of Sri Lankan Coastal Districts, International Journal on Advanced Science Engineering Information Technology, Vol.8(5), pp. 2161-2167.
  • C. S. Bandara, J. A. S. C. Jayasinghe, and P. B. R. Dissanayake (2017), Variation of Mechanical Properties and Load Carrying Capacities of Reinforcing Steel Bars used in Sri Lanka, CIDA Journal, 2017, Vol. XV, pp. 40-48.
  • Chaminda S. Bandara, Sudath C. Siriwardane, Udaya I. Dissanayake and P.B.R. Dissanayake, Analysis of Code Provided S-N Curves, Experimental S-N Curves and Important Considerations for Fatigue Life Evaluation of Existing Steel Bridges, ICTAD Journal 2013, Vol. 11, pp. 10-19.
  • P.B.R. Dissanayake, P.A.K. Karunananda, "Cost and Reliability Interaction in Bridge Maintenance", Journal of the Institute of Engineers Sri Lanka, 2007, pages 9.
  • P.B.R. Dissanayake, S. B. Narasinghe, "Service Life Prediction of Masonry Arch Bridges Using Artificial Neural Networks" Journal of the Institute of Engineers Sri Lanka, 2007, 5 pages
  • P.B.R. Dissanayake "Forensic Investigation on Design and Construction Failures", Journal of the Institute of Engineers Sri Lanka, 2007, XXXX, No 02, April 2007, pp 07 - 12.
  • P.B.R. Dissanayake, S. Jothy Kannan, "Optimum Design of Prestressed Concrete Beam", Journal of the Institute of Engineers Sri Lanka, 2007, XXXX, No 02, April 2007, pp 29 - 32.
  • P.B.R. Dissanayake, P.A.K. Karunananda, Practical Application of Guidelines for Buildings at Risk from natural Disasters : Tsunami Reconstructed Houses Built in Kalmunai, "Modulus", Journal Publication of Society of Structural Engineers- Sri Lanka.
  • S. Ohkubo, P.B.R. Dissanayake, Fuzzy Optimization of a prestressed concrete bridge system considering cost, aesthetic and seismic safety, Journal of Structural Engineering, JSCE, Vol. 44A, 1998, pp.487-495.
  • P.B.R. Dissanayake, S.C. Siriwardane "Secondary stress based-remaining fatigue life estimation of a riveted bridge connection using new fatigue criterion", Engineer: Journal of the Institution of Engineers, Sri Lanka, 2007, XXXX, No 03, 2007, pp 102-108.
  • P.B.R. Dissanayake, K.R.B. Herath, S.C. Siriwardane, " Cyclic Plasticity Based Low- Cycle Fatigue Models for Metal Structure", Journal of the Institute of Engineers Sri Lanka, Vol XXXX, No 01, January 2007, pp 29 - 43.
  • J.M.R.S. Appuhamy, M. Ohga, P. Chun and P.B.R. Dissanayake [2012], Role of Corrosion & Earthquakes on Degradation of Dynamic Behavior of Steel Bridge Plates, Journal of Civil Engineering and Science (JCES), Vol. 2, No. 1, pp. 7-14.
  • S. U. Uduweriya, K. K. Wijesundara, P.B.R. Dissanayake, K. A. S. Susantha and H. N. Senaviratne, "Seismic Response of Sri Lanka Using PSHA Technique", Journal of the Institute of Engineers Sri Lanka, 2020, pages 8.
  • R.M.S. Dananjaya, K.K. Wijesundara, H.N. Seneviratne, P.B.R. Dissanayake, "Determination of Response Spectra for Sri Lankan Cities using Finite Difference method", Journal of the Institute of Engineers Sri Lanka, 2020, pages 9.
  • H.N. Seneviratne, K. K. Wijesundara, L. R. K. Perera, P. B. R Dissanayake, "A Macro Seismic Hazard Zonation for Sri Lanka", Journal of the Institute of Engineers Sri Lanka, 2020, pages 9.
    Full Paper publications:
  • G. P Jayasiri, O. P. C Randil, G. M. C. A Perera, C. S. A. Siriwardana, P. B. R. Dissanayake and C. S. Bandara (2020), Important aspects of evacuation planning for the coastal communities in Sri Lanka, Lecture Notes in Civil Engineering, Vol. 44, pp.03-10.
  • H. M. S. S. Hippola, E. M. S. D Jayasooriya, G. P. Jayasiri, Chameera Randil, Chamal Perera, K. K. K. Sylva, A. K. Kulathunga, C. S. Bandara, C. S. A. Siriwardena and P. B. R. Dissanayake (2020), Gap assessment of warning and dissemination process of early warning system in coastal areas of Sri Lanka, Lecture Notes in Civil Engineering, Vol. 44, pp.36-44.
  • E. M. S. D. Jayasooriya, H. M. S. S. Hippola, C. S. Bandara, A. K. Kulathunga, K. K. K. Sylva, P. B. R. Dissanayake, G. P. Jayasiri, Chameera Randil, Chamal Perera, C. S. A. Siriwardana (2020), Gaps in the evacuation of people with special needs during coastal disasters in Sri Lanka, Lecture Notes in Civil Engineering, Vol. 44, pp.45-53.
  • Sudath C. Siriwardane, Ranjith Dissanayake (2020). Mesoscopic plastic strain-based multiaxial fatigue model for random loading. In: Wang C., Ho J., Kitipornchai S. (eds) ACMSM25. Lecture Notes in Civil Engineering, vol 37. pp. 427-434, Springer, Singapore.
  • Indika Wijesooriya, Sudath C. Siriwardane, Ranjith Dissanayake (2019). Fatigue assessment of corroded bridges: a probabilistic approach. I: ACMSM25: Proceedings of the 25th Australasian Conference on Mechanics of Structures and Materials. Springer. ISBN 978-981-13-7603-0.
  • Hippola, S., Rajapakse, C., Wijesundara, K. and Dissanayake, P. B. R. (2019), " Modification of Force-based Fiber Beam Column Element Formulation to Cater Highly Localized Nonlinear Behavior ", Proceedings of the 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Crete, Greece.
  • Hippola, S., Rajapakse, C., Wijesundara, K. and Dissanayake, P. B. R (2018), "Modification of Force Based Fiber Beam Column Element Formulation by Considering Section Level Equilibrium", Proceedings of the Annual Sessions, Society of Structural Engineers, Sri Lanka.
  • C. S. Bandara, J. A. S. C. Jayasinghe, and P. B. R. Dissanayake (2018), Improving structural stability of school buildings used as temporary evacuation centers in Sri Lanka, 25th Australasian Conference on Mechanics of Structures and Materials (ACMSM25), Edited by C.M. Wang, J.C.M. Ho and S. Kitipornchai, Brisbane, Australia, 4 - 7 December 2018.
  • G. P. Jayasiri, C. S. A. Siriwardena, S. S. L. Hettiarachchi, P. B. R. Dissanayake and C.S. Bandara (2018), Important Aspects in Building Community Resilience of Coastal Districts in Sri Lanka, Proceedings of the International Conference on Disaster Management, ICDM 2018, Padang, Indonesia, 2 - 4 May 2018.
  • C. S. Bandara, W. M. A. R. Weerasinghe and P. B. R. Dissanayake (2016), A Review on Built Environment Curricula on Sustainable Development - Faculty of Engineering, University of Peradeniya, Proceedings of the International Conference on Sustainable Built Environment ICSBE 2016, Kandy, Sri Lanka, 16 - 18 December 2016.
  • C. S. Bandara, S. C. Siriwardane, U. I. Dissanayake and P. B. R. Dissanayake (2016), Fatigue Damage Assessment of Steel Structures and Components - The UOP Conceptual Framework, Proceedings of the 12th International Conference of the International Institute for Infrastructure Resilience and Reconstruction, 5 - 7 August 2016.
  • Gihan Dissanayake, L.C. Kurukulasuriya and P.B.R. Dissanayake, Site Investigation on Rail Track Modulus of Ballasted Rail Track (ACEPS_1 2015).
  • Gihan Dissanayake, L.C. Kurukulasuriya and P.B.R. Dissanayake, Effect of Gradation On Vertical Deformation And Bearing Index Of Rail Track Ballast (ACEPS_2 2015).
  • Gihan Dissanayake, L. C. Kurukulasuriya and P. B. R. Dissanayake, Effect of Rail Track Ballast Degradation on Shear Strength (ICGE 2015).
  • R.M.S. Dananjaya, K. K. Wijesundara, H.N. Seneviratne & P.B.R. Dissanayake, A numerical analysis of the influence of bedrock profile on the seismic wave propagation through Sri Lanka, (ICGE 2015).
  • W.A. Indika Priya Wijesooriya, Sudath C. Siriwardane, P.B. Ranjith Dissanayake, (2015), Vibration measurement-based simple technique for structural appraisal of steel bridges, 5th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2015), pp 2558-2567, 25-27 May 2015, Crete Island, Greece.
  • R. M. S. Dananjaya, P. B. R. Dissanayake, and K. G. H. C. N. Seneviratne & K. K. Wijesundara, Simulation of Bedrock Motion to Obtain PGA Values, 10th International Conference of the International Institute for Infrastructure Resilience and Reconstruction (I3R2) 20-22 May 2014, Purdue University, West Lafayette, Indiana, USA.
  • R.M.S. Dananjaya, K.K. Wijesundara and P.B.R. Dissanayake, Numerical Simulation of Bedrock Motion In Sri Lanka, Proceedings of the Peradeniya Univ. International Research Sessions, Sri Lanka, Vol. 18, 4th & 5thJuly, 2014, Abstract No: 684.
  • Chaminda S. Bandara and Ranjith Dissanayake, 2014, Blast Effects on Reinforced Concrete Cantilever Slabs, LAMBERT, Academic Publishing.
  • Chaminda S. Bandara, Udaya I. Dissanayake and Ranjith Dissanayake (2014), Corrosion effects on fatigue life of steel structures, Proceedings of the International Conference on Sustainable Built Environment ICSBE 2014, Kandy, Sri Lanka, 14 - 15 December 2014.
  • Chaminda S. Bandara, Udaya I. Dissanayake and Ranjith Dissanayake (2014), Hardness based nondestructive method for developing location specific S-N curves for fatigue life evaluation, Proceedings of the International Conference on Fatigue Damage Assessment of Structural Materials ICFDSM X, Hyannis, USA, 21- 26 September 2014.
  • Chaminda S. Bandara, Udaya I. Dissanayake and Ranjith Dissanayake (2014), Stress concentrations of diagonal truss member - main girder joints: An experimental study, Proceedings of the Peradeniya University Research Sessions iPURSE 2013, University of Peradeniya, Peradeniya, Sri Lanka, 4 - 5 July 2014.
  • G. Dissanayake, L.C. Kurukulasuriya and P.B.R.Dissanayake, Direct Shear Testing of Rail Track Ballast Using a Large Scale Direct Shear Apparatus (ICSBE 2014).
  • Gihan Dissanayake, L.C.Kurukulasuriya and P.B.R.Dissanayake, Grading Effect On Behaviour Of Railway Track Ballast (iPURSE 2014).
  • K.T.S. Karunanayake, L.W. Galagedara and P.B.R. Dissanayake "Ground Penetrating Radar Wave Behavior under Different Corrosion Levels of Concrete", Proceedings of the 15th International Conference on Ground Penetrating Radar June 30 - July 4, 2014, (ISBN: 978-1-4799-6789-6, IEEE Part Number: CFP14538-ART, Publication date: expected in October 2014, IEEE Conference Record Number: 35163).
  • K.T.S. Karunanayake, L.W. Galagedara and P.B.R. Dissanayake "Mapping the Internal Element of a Water Reservoir and Comparing with a Laboratory Concrete Model and GprMax2D Model", Proceedings of the Peradeniya University International Research Session 2014 (iPURSe-2014) 4th - 5th July, 2014, Volume 18 (ISSN 1391-4111, ISBN 978-955-589-180-6) Page 147.
  • K.T.S. Karunanayake, L.W. Galagedara and P.B.R. Dissanayake "International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development" (ACEPS 2013), Symposium Proceedings of the ACEPS 2013. (ISSN 2279-1329) Page 82-88.
  • Chaminda S, Bandara and P.B.R. Dissanayake, The Impact of the Gigacycle Fatigue on Steel Bridges, Key Engineering Materials, July 2013, Vol. 569-570, pp. 246-253.
  • K.T.S. Karunanayake, L.W. Galagedara and P.B.R. Dissanayake "Behaviour of Ground Penetrating Radar with Changing Material Properties in Concrete", Proceedings of the Peradeniya University Research Session 2012 (PURSe-2012) July 4, 2012 (ISSN: 1391- 4111, ISBN: 978-955-589-164-6) Page 59.
  • C.S. Bandara, U.I. Dissanayake and P.B.R.Dissanayake, Stress - Life curves for the gigacycle fatigue regime, in Peradeniya University Research Sessions (PURSE 2012), University of Peradeniya, 04th July 2013.
  • P.B.R. Dissanayake, A.M.A.C.S. Bandara, K.T.S. Karunanayake, "Assessment of aged cement silos for earthquake vibrations", Evaces' 13, Experimental Vibration Analysis for Civil Engineering Structures, October 2013, Ouro Preto, Brazil.
  • C.S. Bandara, S.C. Siriwardane, U.I. Dissanayake and R. Dissanayake, Simplified formula for developing stress life S-N curves for steels in the high and gigacycle regime for various stress ratios,in the 2nd International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS), University of Ruhuna, Galle, Sri Lanka, 27th September 2013.
  • K.T.S. Karunanayake, L.W. Galagedara, P.B.R. Dissanayake and R.M.S. Dananjaya, Map internal elements in concrete slab and compare with GPRmax model, in the 2nd International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS), University of Ruhuna, Galle, Sri Lanka, 27th September 2013.
  • Chaminda Senarathna Bandara, Sudath Chaminda Siriwardane, Udaya Dissanayake and Ranjith Dissanayake, Developing a full range S-N curve and estimating cumulative fatigue damage of steel elements, in the 23rdInternational Workshop (Conference) on Computational Mechanics of Materials (IWCMM23), National University of Singapore, Singapore, 2 - 4 October 2013.
  • Chaminda S. Bandara, Sudath C. Siriwardane, Udaya I. Dissanayake and Ranjith Dissanayake, Hardness based non-destructive method for developing location specific S-N curves for fatigue life evaluation, in the 4th International Conference on Structural Engineering and Construction Management (ICSECM13), Kandy, Sri Lanka, 13th~15th December 2013.
  • P.B.R. Dissanayake & A.M.A.C.S. Bandara Retrofitting of Damaged Bridges - The Sustainable Solution, Proceeding of the annual session of the Institution of Engineers, Sri Lanka, Centre, Central Province, 2012.
  • J.M.R.S. Appuhamy, P.B.R. Dissanayake and M. Ohga [2014], Enhanced Finite Element Modelling Method and Efficient Maintenance Strategy for Steel Bridge Infrastructures, 11th Academic Sessions- University of Ruhuna (AS-11), Matara, Sri Lanka, PaperAS11-A5-02.
  • J.M.R.S.Appuhamy, S.N. Malkanthi, M.Ohga, P. Chun and P.B.R. Dissanayake [2013], Prediction of Tensile Strength Degradation of Steel Bridge Members due to Corrosion - An Analytical Method, Conference on Sri Lanka Japan Collaborative research 2013 (SLJCR-2013), Peradeniya, Sri Lanka, Paper SLJCR13-7.
  • J.M.R.S. Appuhamy, P.D.C. Perera, S.N. Malkanthi, M. Ohga, P. Chun, and P.B.R. Dissanayake, [2013], Efficient Maintenance Management Strategy for Aged Steel Bridge Structures, International Conference on Structural Engineering and Construction Management (ICSECM-2013), Peradeniya, Sri Lanka.
  • J.M.R.S. Appuhamy, M. Ohga, P. Chun and P.B.R. Dissanayake [2012], Evaluation of Residual Tensile Strength and Seismic Strength Capacities of Steel Bridge Members due to Corrosion - An Analytical Method, 1st International Conference on Performance-based and Life-cycle Structural Engineering (PLSE-2012), Hong Kong, pp. 1922-1932.
  • J.M.R.S. Appuhamy, M.Ohga,P. Chun and P.B.R. Dissanayake [2012], Estimation of Seismic Behaviour of Corroded Steel Bridge Plates, 18th Congress of International Association for Bridge and Structural Engineering (18th IABSE), Seoul, Korea, pp. 1259-1266.
  • J.M.R.S. Appuhamy, M.Ohga,P. Chun, S. Furukawa and P.B.R. Dissanayake [2012], Enhanced Analytical Method of Predicting Residual Strength Capacities of Corroded Steel Bridge Plates, 6th International Conference on Bridge Maintenance, Safety and Management (IABMAS-2012), Como, Italy, CD-ROM.
  • J.M.R.S. Appuhamy, M.Ohga,P. Chun, S. Furukawa and P.B.R. Dissanayake [2011], Effects of Corrosion on Degradation of Tensile Strength of Steel Bridge Members, International Conference on Structural Engineering, Construction and Management (ICSECM-2011), Peradeniya, Sri Lanka.
  • J.M.R.S. Appuhamy, M.Ohga, T. Kaita, P. Chun, K.Fujii and P.B.R. Dissanayake [2011], Experimental Investigation of the Influence of Corrosion Damage on Prediction of Residual Strength Capacities, International Conference on Advanced Technology in Experimental Mechanics (ATEM-11), Kobe, Japan, Paper OS15F073.
  • M.Ohga, J.M.R.S. Appuhamy, T. Kaita, P. Chun and P.B.R. Dissanayake [2011], Degradation of Tensile Strength with the Severity of Corrosion Condition, The 2011 World Congress on Advances in Structural Engineering and Mechanics (ASEM11plus), Seoul, Korea, pp. 5280-5297.
  • J.M.R.S. Appuhamy, T. Kaita, M.Ohga, K.Fujii and P.B.R. Dissanayake [2010], Experimental and Numerical Investigation of Residual Strength of Corroded Steel Plates in Tensile Force, International Symposium on Society for Social Management Systems (SSMS2010), Kochi, Japan, Paper SMS10-120.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, P. Chun and P.B.R Dissanayake [2013], Development of an Efficient Maintenance Strategy for Corroded Steel Bridge Infrastructures, Journal of Bridge Engineering (ASCE),Vol. 18, No. 6, pp. 464-475.
  • J.M.R.S. Appuhamy, M. Ohga, P. Chun, S. Furukawa and P.B.R. Dissanayake [2012], Estimation of Seismic Behaviour of Corroded Steel Bridge Plates, 18th Congress of International Association for Bridge and Structural Engineering (18th IABSE), Seoul, Korea.
  • J.M.R.S. Appuhamy, M. Ohga, P. Chun, S. Furukawa and P.B.R. Dissanayake [2012], Enhanced Analytical Method of Predicting Residual Strength Capacities of Corroded Steel Bridge Plates, 6th International Conference on Bridge Maintenance, Safety and Management (IABMAS-2012), Como, Italy.
  • J.M.R.S. Appuhamy, M. Ohga, P.B.R. Dissanayake and K.K. Wijesundara [2012], Development of Brisk Finite Element Analytical Method of Predicting Tensile Strength Reduction due to Corrosion, 2nd SAITM Research Symposium on Engineering Advancements (RSEA-2012), Malabe, Sri Lanka.
  • P.B.R. Dissanayake, A.M.A.C.S. Bandara & R.M.S.U.P. Rathnayake, Reconstruction vs Retrofitting of a Bridge for Sustainability, the International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS), University of Ruhuna, Galle, Sri Lanka, 19th March 2012.
  • A.M.A.C.S. Bandara, R.M.S.U.P. Rathnayaka, W.A.I.P. Wijesooriya & P.B.R. Dissanayake Sustainable Solution for Retrofitting of Bridges Damaged by Floods, the 8th Annual Conference of International Institute for Infrastructure Renewal and Reconstruction (IIIRR), Kumamoto University, Japan, 23-24th August 2012.
  • A.M.A.C.S. Bandara, P.B.R. Dissanayake, U.I. Dissanayake & S.A.S.C. Siriwardane, A New Approach for Predicting the Fatigue Strength of Steels and Aluminium Alloys in High and Giga Cycle Regimes by in the 2nd International Conference on Sustainable Built Environment (ICSBE), University of Peradeniya, Earl's Regency Hotel, Kandy, Sri Lanka, 14-16th December 2012 (ISBN 9 78955 495806).
  • Future Life Evaluation of Existing Steel Bridges by A.M.A.C.S. Bandara, R.M.S.U.P. Rathnayaka, A.M.C.T.K. Attanayake & P.B.R. Dissanayake in the 2nd International Conference on Sustainable Built Environment (ICSBE), University of Peradeniya, Earl's Regency Hotel, Kandy, Sri Lanka, 14-16th December 2012 (ISBN 9 78955 495806).
  • K.T.S. Karunanayake, P.B.R Dissanayake & L.W. Galagedara, Mapping the internal elements and the damages using Ground Penetrating Radar by Conference Proceedings, 2nd International Conference on Sustainable Built Environment 14th, 15th and 16th December 2012, (ISBN 9 78955 495806).
  • Chaminda S. Bandara, Sudath C. Siriwardane, Udaya I. Dissanayake & Ranjith Dissanayake, Fatigue Strength Prediction Formulae for Steels and Alloys in the Gigacycle Regime by in the International Conference on Nano and Materials Engineering- ICNME 2013, 8-9thApril, 2013, Bangkok, Thailand.
  • K. Karunananda, M. Ohga, P.B.R. Dissanayake and S. Siriwardane (2011)."Effect of high amplitude loading on fatigue life prediction of steel bridges", Procedia Engineering, Elsevier Publication, Vol. 14, pp. 521-528.
  • P.A.K. Karunananda, M. Ohga and P.B.R. Dissanayake (2011). "Interval reliability based condition assessment of bridges", Advances in Structural Engineering, Multi-Science Publication, Vol. 14(3), pp. 527-540.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, K. Fujii and P.B.R. Dissanayake [2011], Development of Analytical Method for Predicting Residual Mechanical Properties of Corroded Steel Plates, International Journal of Corrosion (IJOC), Vol.2011, Doi:10.1155/2011/385083.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, P. Chun and P.B.R. Dissanayake [2011], Estimation of Corrosion-induced Strength Deterioration of Steel Bridge Plates - An Analytical Method, Annual Research Journal of SLSAJ, Vol.11, pp. 19-25.
  • P.A.K. Karunananda, M. Ohga, P.B.R. Dissanayake, S.A.S.C. Siriwardane and A.M.N.D. Adasooriya, "Fatigue life estimation of steel bridges for extreme loading using a new damage indicator", International Conference on Advanced Technology in Experimental Mechanics (ATEM'11), Kobe, Japan, 19-21 September 2011.
  • M. Ohga, K. Karunananda, P.B.R. Dissanayake and S.A.S.C. Siriwardane, "Effect of high amplitude loading on fatigue life prediction of steel bridges", The Twelfth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-12), Hong Kong, China, 26-28 January 2011.
  • J.M.R.S. Appuhamy, M. Ohga, P. Chun, S. Furukawa and P.B.R. Dissanayake [2011], Effects of Corrosion on Degradation of Tensile Strength of Steel Bridge Members, International Conference on Structural Engineering, Construction and Management (ICSECM-2011), Peradeniya, Sri Lanka, Paper SEC-11-91.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, P. Chun, K. Fujii and P.B.R. Dissanayake [2011], Experimental Investigation of the Influence of Corrosion Damage on Prediction of Residual Strength Capacities, International Conference on Advanced Technology in Experimental Mechanics (ATEM-11), Kobe, Japan, Paper OS15F073.
  • M. Ohga, J.M.R.S. Appuhamy, T. Kaita, P. Chun and P.B.R. Dissanayake [2011], Degradation of Tensile Strength with the Severity of Corrosion Condition, The 2011 World Congress on Advances in Structural Engineering and Mechanics (ASEM11plus), Seoul, Korea, pp. 5280-5297.
  • Mitao, Ohga; Kamal, Karunananda; Seiji, Furukawa; Ranjith, Dissanayake; Siriwardane, S.A.Sudath C. (2011), Maintenance Strategy for Bridges using Reliability Concept and Analytical Hierarchy Process. International Conference on Structural Engineering, Construction and Managment (ICSECM 2011); 2011-12-15 - 2011-12-17.
  • Sudath C. Siriwardane, Ranjith Dissanayake (2011), A Multiaxial Fatigue Model for Steel Joints. International Conference on Structural Engineering, Construction and Management (ICSECM 2011); 2011-12-15 - 2011-12-17.
  • Ohga, K. Karunananda, P.B.R. Dissanayake and S.A.S.C Siriwardane, "Combined high and low cycle fatigue model for prediction of steel bridge lives", International conference on sustainable built environment, Kandy, Sri Lanka, 12-14 December 2010, pp. 505-512.
  • Karunananda, P.A.K; Ohga, M.; Dissanayake, P.B. Ranjith; Siriwardane, S.A.Sudath C. (2011), Fatigue life estimation of steel bridges under service and extreme loadings. Annual Research Journal of SLSAJ 2011; Volume 11. p. 1-9.
  • M. Ohga, K. Karunananda, P.B.R. Dissanayake, A.M.N.D. Adasooriya, Fatigue life prediction of bridges considering the effect of multiaxial stresses, International Conference on Sustainable Built Environment, Kandy, Sri Lanka, 12-14 December 2010.
  • M. Ohga, J.M.R.S. Appuhamy, T. Kaita, K. Fujii and P.B.R. Dissanayake, Evaluation of Tensile Strength Deterioration of Steel Bridge Plates due to Corrosion, International Conference on Sustainable Built Environment, Kandy, Sri Lanka, 12-14 December 2010.
  • M. Ohga, J.M.R.S. Appuhamy, T. Kaita, K. Fujii and P.B.R. Dissanayake, Numerical Study on Remaining Strength Prediction of Corroded Steel Bridge Plates, International Conference on Sustainable Built Environment, Kandy, Sri Lanka, 12-14 December 2010.
  • J.M.R.S. Appuhamy, T. Kaita, M. Ohga, K. Fujii and P.B.R. Dissanayake, Numerical Investigation of Corrosion Effects on Ductile Fracture and Ultimate Strength, Annual Research Journal of Sri Lankan Student Association in Japan, Tokyo, 13 November 2010.
  • J.M.Ruwan S. Appuhamy, M. Ohga, S. Tinti and P.B.R. Dissanayake, Numerical Modelling of December 2004 Sumatra-Andaman Tsunami and Possible Future Tsunamis, Annual Research Journal of Sri Lankan Student Association in Japan, Tokyo, 16 November 2008.
  • P.A.K. Karunananda, M. Ohga, P.B.R. Dissanayake and S.A.S.C. Siriwardane, "Fatigue life estimation of bridges considering the interaction of high and low amplitude loadings", Annual Research Journal of Sri Lankan Students' Association in Japan, Tokyo, Japan, November 2010, pp. 13-18.
  • P.A.K. Karunananda, M. Ohga, P.B.R. Dissanayake and S.A.S.C. Siriwardane, "Fatigue model to predict remaining life of steel bridges considering the effect of earthquakes", Pacific Structural Steel Conference 2010, Beijing, China, 19-22 October 2010, pp. 1003-1010.
  • Kamal Karunananda, Mitao Ohga, Ranjith Dissanayake and Kazuhiro Taniwaki, "Fatigue life prediction of bridges under extreme loading", International Symposium on Society for Social Management Systems 2010 (SSMS2010), Kochi, Japan, 5-8 March 2010.
  • Kamal Karunananda, Mitao Ohga, Tatsumasa Kaita and P.B. Ranjith Dissanayake (2010). "Condition assessment of multispan masonry arch bridges", Bridge Structures: Assessment, Design and Construction, IOS Press, Vol. 6(3-4), pp. 95-106.
  • P.B.R. Dissanayake and K. Karunananda, "Fatigue analysis of steel bridges using interval reliability", University Research Sessions, University of Peradeniya, Peradeniya, Sri Lanka, December 2009.
  • P.B.R. Dissanayake, K. Karunananda, Fatigue analysis of steel bridges using interval reliability, Proceedings of the University Research Sessions, University of Peradeniya, Peradeniya, 03 December 2009.
  • Sudath Chaminda Siriwardane, Mitao Ohga, Ranjith Dissanayake, Tatsumasa Kaita, A Simplified Method to Predict the Ultra-low Cycle Fatigue Failure of Metal Structures, 5th International Symposium on Steel Structures, Seoul, Korea, ISSS'09, March 12-13, 2009.
  • Kamal Karunananda, Mitao Ohga, Ranjith Dissanayake, Kazuhiro Taniwaki, Safety Assessment of Steel Truss Bridges Under Corrosion Attack, 5th International Symposium on Steel Structures, Seoul, Korea, ISSS'09, March 12-13, 2009.
  • Sudath Chaminda Siriwardane, Mitao Ohga, Ranjith Dissanayake, Tatsumasa Kaita, Remaining Service Life based Maintenance Strategy for Railway Bridges, International symposium on society for social management systems 2009 (SSMS2009), Kochi, Japan, March 5-8, 2009.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, S. Tinti, P.B.R. Dissanayake, Importance of Numerical Modeling in Tsunami Disaster Prevention, International symposium on society for social management systems 2009 (SSMS2009), Kochi, Japan, March 5-8, 2009.
  • J.M.R.S. Appuhamy, T. Kaita, M. Ohga and P.B.R. Dissanayake, A Simple and Comprehensive Estimating Method of Remaining Tensile Strength of Corroded Steel Bridge Plates, Annual Research Journal of Sri Lankan Student Association in Japan, Tokyo, 08 November 2009.
  • Kamal Karunananda, Mitao Ohga and Ranjith Dissanayake, "Condition assessment of bridges by interval reliability", Annual Research Journal of Sri Lankan Students' Association in Japan, Tokyo, Japan, November 2009, pp. 11-14.
  • Kamal Karunananda, Mitao Ohga, Ranjith Dissanayake and Kazuhiro Taniwaki, "Safety assessment of steel truss bridges under corrosion attack", 5th International Symposium on Steel Structures (ISSS'09), Seoul, Korea, 12-13 March 2009, pp. 150-155.
  • Mitao Ohga, Kamal Karunananda, Ranjith Dissanayake and Kazuhiro Taniwaki, "Maintenance management of multispan masonry arch bridges by reliability concept", International Symposium on Society for Social Management Systems 2009 (SSMS2009), Kochi, Japan, 5-8 March 2009.
  • K.T.S. Karunanayake, L.W. Galagedara and P.B.R. Dissanayake, "Identify the Ground Penetrating Radar Wave Behavior with Changing the Moisture Content of the Concrete", Special Session on Design and Construction, Fifth International Conference on Sustainable Built Environment, Kandy Sri Lanka, December 2014.
  • P.B.R. Dissanayake, " Prediction of Structural performance of Bridges under Earthquake Risk", Proceeding of conference on A Dynamic Approach to the Mitigation of Natural Disasters, University of Calgary, April 2008.
  • Bandara, A.M.A.C.S. and Dissanayake, P.B.R., 2012. Behaviour of cantilever slabs in blast environment and strengthening techniques.
  • P.B.R. Dissanayake, P.A.K. Karunananda, "Remaining Service Life Prediction of Reverted Wrought Iron Railway Bridges using Reliability Approach", Journal of the National Science Foundation of Sri Lanka, 36(2), 2008, pp 151-156.
  • M. Ohga, S.C. Siriwardane, R. Dissanayake, T. Kaita, Remaining Fatigue Life estimation of a Riveted Bridge Connection Using the New Damage Indicator-based Sequential Law, The Eleventh East Asia - Pacific Conference on Structural Engineering and Construction (EASEC-11), Taipei, Taiwan, 19 - 21 November 2008.
  • Mitao Ohga, Kamal Karunananda, Ranjith Dissanayake, Kaita Tatsumasa, Safety Assessment of Reinforced Concrete Bridges under Corrosion Attack, The Eleventh East Asia - Pacific Conference on Structural Engineering and Construction (EASEC-11), Taipei, Taiwan, 19 - 21 November 2008.
  • S.A.S.C. Siriwardane, M. Ohga, T. Kaita, P.B.R. Dissanayake, Mesoscopic Plastic Strain Based New Fatigue Model and Its Application to a Riveted bridge Connection, International conference on continuum mechanics, nanoscience and nanotechnology, Peradeniya, Sri Lanka, 26-28 September 2008.
  • A.M.N.D. Adasooriya, S.A.S.C. Siriwardane, M. Ohga, T. Kaita, P.B.R. Dissanayake, A Simplified Fracture Initiation Criterion for Ultra-Low Cycle Fatigue, International conference on continuum mechanics, nanoscience and nanotechnology, Peradeniya, Sri Lanka, 26-28 September 2008.
  • Mitao Ohga, Kamal Karunananda, Ranjith Dissanayake, Kaita Tatsumasa, Application of Interval Reliability in Bridge Assessment, International conference on continuum mechanics, nanoscience and nanotechnology, Peradeniya, Sri Lanka, 26-28 September 2008.
  • P.B.R. Dissanayake and P.A.K. Karunananda (2008)."Reliability index for structural health monitoring of aging bridges", Structural Health Monitoring, SAGE Publication,Vol. 7(2), pp. 175-183.
  • P.A.K. Karunananda, M. Ohga and P.B.R. Dissanayake, "Assessment of load carrying capacity of masonry arch bridges", Annual Research Journal of Sri Lankan Students' Association in Japan, Tokyo, Japan, November 2008, pp. 13-17.
  • P.A.K. Karunananda, M. Ohga, K. Taniwaki and P.B.R. Dissanayake, "Application of interval reliability theory in bridge maintenance", International Conference on Advances in Continuum Mechanics, Materials Science, Nanoscience and Nanotechnology, Peradeniya, Sri Lanka, 26-27 September 2008, pp. 307-315.
  • Mitao Ohga, Kamal Karunananda, Ranjith Dissanayake and Kaita Tatsumasa, "Reliability based assessment of multi span masonry arch bridges", The 4th International Conference on Advances in Structural Engineering and Mechanics (ASEM'08), Jeju, Korea, 24-26 May 2008, pp. 3347-3354.
  • Ohga, M., Siriwardane, S.C., Dissanayake, R. and Kaita. T., "Simulation of earthquake induced ultra-low cycle fatigue failure of reduced beam section specimen", Advances in Structural Engineering and Mechanics (ASEM'08), Jeju, Korea, 26-28 May 2008, pp. 635-641.
  • P.B.R. Dissanayake, Mitao Ohga and P.A.K. Karunananda, "Remaining service life prediction of riveted wrought iron railway bridges using system reliability approach", 4th International Symposium on Steel Structures (ISSS06), Seoul, Korea, 16-18 November 2006, pp. 669-677.
  • S.A S. C. Siriwardane, Mitao Ohga, P.B.R. Dissanayake, "Comparative Study for Remaining Fatigue Life Estimation of Existing Railway Bridge" The proceedings of the fourth International Symposium on Steel Structures (ISSC-06), 912-921, 2006, Seoul, Korea.
  • P.B.R. Dissanayake, P.A.K. Karunananda, "System Reliability Modelling of Prestrssed Concrete Bridges in Condition Estimation" The proceedings of the tenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-10), 165-170, 2006, Bangkok, Thailand.
  • S. Jothy Kanna, P.B.R. Dissanayake, "Optimum Design of Pre-Stressed Beams Using Available Software", 2006 Concrete Bridge Conference, May 7-10, 2006, pp 52 - 67.
  • P.B.R. Dissanayake, P.A.K. Karunananda, "Condition Assessment of Reinforced Concrete Deck Bridge under Corrosion Attack" ConcreteLife'06- International RILEM-JCI Seminar on Concrete, 496-501, 2006, Israel.
  • P.B.R Dissanayake "Sand and its alternatives in Sri Lanka", Article published in proceeding of annual session by National Contractors association of Sri Lanka, July 2006.
  • P.B.R. Dissanayake, "Forensic investigation on design and construction failure", Proceeding of Annual Sessions, 2005/2006, the Institution of Engineers Sri Lanka Central Province Centre, 2006.
  • P.B.R. Dissanayake, P.A.K. Karunananda, "Towards Reliability based Maintenance Strategy of aging Bridges" Proceeding of 100th Annual Sessions of Institution of Engineers, Sri Lanka, 24th October 2006.
  • P.B.R. Dissanayake, S. Jothy Kannan, "Optimum Design of Bridge Pier" Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 71, Vol. 11, 2006.
  • W.S.K. Ranatunge, J.M.S.D. Jayasinghe, V.L. Udugamusuriya, P.B.R. Dissanayake, "Structural Performance of Building Against Blast Loading" Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 73, Vol. 11, 2006.
  • W.W. Bandara, R.M.K.I.A. Dahanayaka, U.P.K.W. Pathirana, P.B.R. Dissanayake, "Proposed Earthquake Resistant Reinforcement Detailing for Building in Sri Lanka" Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 74, Vol. 11, 2006.
  • P.A.K. Karunananda, P.B.R. Dissanayake, "System Reliability modelling of reinforced concrete deck bridges under corrosion attack", Proc. of IESL Young Members Section 2006, The Institution of Engineers, Sri Lanka.
  • P.B.R. Dissanayake, P.A.K. Karunananda, "Towards Reliability Based Maintenance Strategy of Ageing Bridge" Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 70, Vol. 11, 2006.
  • Mitao Ohga, P.B.R. Dissanayake and P.A.K. Karunananda, "Reliability based bridge path evaluation", Third Asian-Pacific Congress on Computational Mechanics (APCOM'07), Kyoto, Japan, 3-6 December 2007.
  • M. Ohga, K. Karunananda and P.B.R. Dissanayake, "Reliability based bridge network evaluation", The International Conference on Computational Methods (ICCM2007), Hiroshima, Japan. 4-6 April 2007.
  • P.B.R. Dissanayake, P.A.K. Karunananda, "A Study of Road Infrastructure Damage in Eastern Province of Sri Lanka by Tsunami Disaster" The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 6, 2007, Peradeniya, Sri Lanka.
  • W.A.G.C.Weerasooriya, P.B.R. Dissanayake, "Structural Performance Under Tsunami Forces" The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 10, 2007, Peradeniya, Sri Lanka.
  • C. Bandara, P.B.R. Dissanayake, "Condition Evaluation of Bridge for Potential Earthquake Risk" The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 44, 2007, Peradeniya, Sri Lanka.
  • P.B.R. Dissanayake, M. Ohga, K. Taniwaki, S.C. Siriwardane, "A Study on Earthquake Induced Ultra-Low Cycle Fatigue Failure of Steel Structures" The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 48, 2007, Peradeniya, Sri Lanka.
  • S.A.D.N. Senavirathne, S.N.C.M. Dias, B.F.A. Basnayake, K.S.P. Amaratunga, P.B.R. Dissanayake, "Evaluation of Alternate Fibres to Asbestos for Reinforcing Roofing and Ceiling Sheets" The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 59, 2007, Peradeniya, Sri Lanka.
  • Mitao Ohga, S.A.C.S. Siriwardane, P.B.R. Dissanayake, K. Taniwaki, "A method for remaining fatigue life estimation of existing riveted railway bridges", The proceedings of the International Conference on Computational Method (ICCM2007), Computational Method, 216, Springer, 2007, Hiroshima, Japan.
  • P.B.R. Dissanayake, "Maintenance Planning of Bridges", The proceedings of the International Conference on Computational Method (ICCM2007), Computational Method, 212, Springer, 2007, Hiroshima, Japan.
  • Mitao Ohga, I.M.S.W. Kumara, P.B.R. Dissanayake, K. Taniwaki, P.A.K. Karunananda, "A Reliability Approach in Condition Assessment of I Girder Concrete Bridges", The proceedings of the International Conference on Computational Method (ICCM2007), Computational Method, 214, Springer, 2007, Hiroshima, Japan.
  • P.B.R Dissanayake "Price Escalation in Construction Materials", Article published in proceeding of annual session by National Contractors association of Sri Lanka, July 2007.
  • P.B.R. Dissanayake and P.A.K. Karunananda, "Reliability based resource allocation in bridge maintenance", University Research Sessions, University of Peradeniya, Peradeniya, Sri Lanka, December 2007.
  • Dissanayake, P.B.R. and Siriwardane, S.A.S.C., "Application of multiaxial sequential law to estimate secondary stress based-fatigue life of riveted connections", Proceedings of the University Research Sessions, University of Peradeniya, Sri Lanka, 30 September 2007, Vol.12.
  • S.A.S.C. Siriwardane, Mitao Ohga, P.B.R. Dissanayake, Low-Cycle Fatigue Model for Non-Linear Kinematic Hardening Materials, Proceeding of Third International Structural Engineering and Construction Conference (ISEC-03), Volume 2, ISSBN 0415390370, Tokuyama College of Technology, Japan, September 20-23, 2005.
  • P.A.K. Karunananda, P.B.R. Dissanayake, K.R.B. Herath, Mitao Ohga, "Life Prediction of Wooden deck Bridges Using Reliability Theory", Proceeding of Third International Structural Engineering and Construction Conference (ISEC-03), Volume 2, pp 713-716, ISSBN 0415390370, Tokuyama College of Technology, Japan, September 20-23, 2005.
  • M.P. Ranaweera, P.B.R. Dissanayake, "Consultant's Role in the Construction Phase of a Building Project", Proceeding of Annual Sessions, 2004/2005, the Institution of Engineers Sri Lanka Central Province Centre, pp. 19-27, 2005.
  • P.B.R. Dissanayake, "Site Management", Proc. of the Annual Seminar of the Civil Engineering Society of Department of Civil Engineering, CES, 2005, pp 7-10.
  • S. Jothy Kanna, P.B.R. Dissanayake, "Optimum Design of Pre-Stressed Beams Using Available Software", Proc. of Annual Transactions of IESL 2005, The Institution of Engineers, Sri Lanka.
  • N.L.N.S.B. Narasinghe, P.B.R. Dissanayake, "Service Life Prediction of Reinforced Concrete Deck Bridge using Artificial Neural Networks", Proc. of Annual Transactions of IESL 2005, The Institution of Engineers, Sri Lanka.
  • P.B.R. Dissanayake, "Failure Investigation of Tsunami Damage Structures in Sri Lanka", International Conference on Geotechnical Engineering for Disaster Mitigation and Rehabilitation (GEDMR05), 2005, Singapore.
  • P.B.R. Dissanayake, "Potential Earthquake Risk of Building in Sri Lanka", The proceedings of the International Conference on Geotechnical Engineering for Disaster Mitigation and Rehabilitation (GEDMR05), 2005, Singapore.
  • P.B.R. Dissanayake, Manufactured Sand Alternative to Traditional Fine Aggregate, Proc. of Advanced Materials for Construction of Bridge, Building and Other Structures-IV, August 14-19, 2005, Maui, Hawaii.
  • P.B.R. Dissanayake, N. Mohadevan, "Potential Earthquake Risk of Building in Sri Lanka", The proceedings of the International Symposium Disaster Reduction on Coasts, 2005, Melbourne, Australia.
  • P.A.K. Karunananda, P.B.R. Dissanayake, "Prediction of Service Life of Reinforced Concrete Deck bridges Using Structural Reliability Theory" The proceedings of the International Conference on Computational Method (ICCM2004), Computational Method, 333-338, Springer, 2004, Singapore.
  • S.A.S.C. Siriwardane, P.B.R. Dissanayake and K. R. B. Herath, "Mathematical Model to Describe the Low Cycle Fatigue Behavior of Ductile Metals" The proceedings of the International Conference on Computational Method (ICCM2004), Computational Method, 443-447, Springer, 2004, Singapore.
  • A.M.N.D. Adasooriya, S.A.S.C. Siriwardane and P.B.R. Dissanayake "Performance Analysis of PC Plates Used in Bridge Deck Construction" The proceedings of the International Conference on Computational Method (ICCM2004), Computational Method, 517-524, Springer, 2004, Singapore.
  • Siriwardane, S.A.S.C., Dissanayake, P.B.R. and Herath K.R.B., "Mathamatical model to predict the fatigue behavior in railway bridges", Proceedings of the 60th Annual Sessions, SLAAS (Sri Lanka Association of Advancement of Science) Colombo, Sri Lanka, 17-22 December 2004, pp 142.
  • P.B.R. Dissanayake "Multicriteria Fuzzy Optimization of Bridge Systems" The proceedings of the International Conference on Computational Method (ICCM2004), Computational Method, 965-969, Springer, 2004, Singapore.
  • P.B.R. Dissanayake, M.P. Ranaweera, "Condition Evaluation of Old Structures", Proceeding of Annual Sessions, 2003/2004, the Institution of Engineers Sri Lanka Central Province Centre, November 2004.
  • P.A.K. Karunananda, P.B.R. Dissanayake, K.R.B. Herath, Prediction of Service Life of Riveted Wrought Iron Railway bridges using Structural Reliability Theory The 2nd International Conference on Structure, Processing and Properties of Materials (SPPM2004), 2004, Dhaka, Bangladesh.
  • S.A.S.C. Siriwardane, A.M.N.D. Adasooriya, P.B.R. Dissanayake, K.R.B. Herath, Structural Appraisal and Service Prediction of Existing Bridges", the 2nd International Conference on Structure, Processing and Properties of Materials (SPPM2004), 2004, Dhaka, Bangladesh.
  • P.A.K. Karunananda, P.B.R. Dissanayake, K.R.B. Herath, "Prediction of Serviceability Condition of Arch Bridges using Structural Reliability Theory", Proceedings of the 60th Annual Session of Sri Lanka Association for the advancement of Science (SLAAS) -2004, 141.
  • S. A. S. C. Siriwardane, P.B.R. Dissanayake, K.R.B. Herath, "Mathematical Model to Predict the Fatigue Behavior in Railway Bridges", Proceedings of the 60th Annual Session of Sri Lanka Association for the advancement of Science (SLAAS) -2004, 142.
  • P.B.R. Dissanayake, K.R.B. Herath, P.A.K. Karunananda, S.A.C.S. Siriwardane, "Condition Evaluation of the Bridges in the National Road network of Sri Lanka" Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 93, Vol. 9, 2004.
  • S. Jothy Kannan, P.B.R. Dissanayake, "Optimum Structural Element Design Using Ms-Excel" Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 76, Vol. 9, 2004.
  • S. Jothy Kannan, P.B.R. Dissanayake, "Application of structural optimization for one-way slab design" Proc. of IESL Young Members Section 2004, The Institution of Engineers, Sri Lanka.
  • P.A.K. Karunananda, P.B.R. Dissanayake, K. R. B. Herath, "Comparison of Miner-Palmgren Cumulative Damage Rule with Structural Reliability Theory in Service Lifetime Prediction of Reverted Wrought Iron Railway Bridges" The Sixth Summer Symposium, 2004, Saitama University, Japan.
  • P.B.R. Dissanayake, "Blended Cements-the future pace sector in the Construction Industry", Official Publication of the National Construction Association of Sri Lanka, Vol. 8, No. 01, August 2003, pp 32 - 34.
  • P.A.K. Karunananda, P.B.R. Dissanayake, "Reliability Based Service Lifetime Estimation of Riveted Wrought Iron Railway Bridges" Proceedings of the Annual Research Sessions 2002, University of Peradeniya, Sri Lanka, 86, Vol. 7, 2002.
  • P.A.K. Karunananda, P.B.R. Dissanayake, "Engineering Analysis and Fatigue Evaluation of Ancient Riveted Wrought Iron Railway Bridges" Proceedings of the Annual Research Sessions 2002, University of Peradeniya, Sri Lanka, 88, Vol. 7, 2002.
  • G.B.Gunarathna, I.M.S.W. Kumara, C.S.Lokubarana, M.N.A. Peiris, S.A.S.C.Siriwardane, P.B.R. Dissanayake, "Structural Analysis and Reliability Assessment of Prestressed Concrete Beam Bridges using Validated Finite Element Models" Proceedings of the Annual Research Sessions 2002, University of Peradeniya, Sri Lanka 2002.
  • P.B.R. Dissanayake, "Proposed Engineering and Technology Centre", Official Publication of the National Construction Association of Sri Lanka, Vol. 7, No. 02, August 2002, pp 13 - 14.
  • S.A.S.C. Siriwardhane, P.B.R. Dissanayake, Service Life Prediction of Railway bridge at Colombo over Kelani River, Official Publication of the National Contractor Association of Sri Lanka, Volume 7, No. 2, August 2002.
  • P.B.R. Dissanayake, N. Jayasooriya, "A Case Study of Performance of A Contractor", Official Publication of the National Construction Association of Sri Lanka, Vol. 07, No. 01, January-March 2002, pp 21- 22.
  • Mohadevan.N, Abayakoon.S.B.S, Seneviratne H.N, Dissanayake. P.B.R, and Kurukulasuriya.L.C. (2002), "An analysis of the influence of local soil conditions on earthquake ground motion in Colombo, Sri Lanka", Poster Presentation, Proceedings of the CES Annual Seminar-2002, Civil Engineering Society, University of Peradeniya, ISSN 1391-7597, 2002.
  • Mohadevan.N, Seveviratne.H.N, Dissanayake. P.B.R, Kurukulasuriya.L.C (2001) "A study of seismic hazard and hazard mitigation in Greater Colombo, Sri Lanka".Extended abstract, Proceeding of the Annual Research Sessions 2001, Vol 6, and University of Peradeniya.
  • D.J. Gallage, K.A.A.S. Kulasooriya, M.S. Wijenanda, P.B.R. Dissanayake, "Study of the Behaviour of Ready Mixed Concrete", Proceedings of the Annual Research Sessions 2002, University of Peradeniya, Sri Lanka 2001.
  • P. Ranjan, P.B.R. Dissanayake, "Effect of Bad Decision Making in Engineering Profession" Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, Vol.9, 1999.
  • P.B.R. Dissanayake, Multicriteria Fuzzy Optimizations of Structural Systems" Proceedings of the Annual Research Sessions 1999, University of Peradeniya, Sri Lanka, 1999.
  • S. Ohkubo, P.B.R. Dissanayake, K. Taniwaki Structural system optimization considering multiple objectives and fuzziness, Proc. of Australian Conference on Structural Optimization (ACSO '98), Sydney, Australia, 1998, pp.385-392.
  • S. Ohkubo, P.B.R. Dissanayake, Multicriteria Fuzzy Optimization for Structural Systems", Proc. of 2nd International symposium on tool and methods for concurrent engineering (TMCE'96), Manchester, UK, 1998, pp.559-571.
  • S. Ohkubo, P.B.R. Dissanayake, Fuzzy optimization of prestressed concrete bridge system considering cost and aesthetic feeling objectives. Proc. of 2nd World congress of Structural and Multidisiplinary optimization (WCSMO-2), 1997, pp. 959-964.
  • S. Ohkubo, P.B.R. Dissanayake, Multicriteria fuzzy optimization of prestressed concrete bridge system considering cost and aesthetic feeling, Proc. of 52nd annual conference of the Japan society of civil engineers, JSCE, 1997, pp. 518-519.
  • S. Ohkubo, P.B.R. Dissanayake, Optimum span ratio of prestressed concrete bridge considering super and substructures, Proc. of 2nd annual conference of the Japan society of civil engineers (Shikoku District), 1996, pp.85-86.
  • S. Ohkubo, P.B.R. Dissanayake, Multi-objective fuzzy optimization of prestressed concrete bridge system", Proc. of the third Asia-pacific conference on computer mechanics (APCOM '96), 1996, pp. 571-576.
  • S. Ohkubo, P.B.R. Dissanayake, "Optimum design of RC pier and pile foundation" Proc. of 2nd annual conference of the Japan society of civil engineers, 1996/5, pp.74-75.
  • S. Ohkubo, K. Taniwaki, P.B.R. Dissanayake, A study on optimal design of prestressed concrete continuous beams, Memories of Faculty of Eng. Ehime University, Vol. XV, 1996,pp.171-183.
  • S. Ohkubo, P.B.R. Dissanayake, "Optimal Design of Prestressed Concrete Beam Subject to Serviceability and Ultimate Limit State Constraint", Proc. of 50th annual conference of the Japan society of civil engineers, JSCE, 1995, pp 478-479.
  • S. Ohkubo, P.B.R. Dissanayake, A fundamental study on optimal design of prestressed concrete beams, Proc. of 1st annual conference of the Japan society of civil engineers, 1995, pp. 110-111.
  • A.A.S.E Abeysinghe, W.K.D Ranthnayake, C.S Bandara, C.S.A Siriwardana, P.B.R Dissanayake, "Comparing the Enablers the Barriers and the Gaps of the Coastal Hazard Resilience in Sri Lanka, Myanmar and Maldives" in 9th international conference on Building resilience ICBR9 Bali Indonesia, 13th-15th January 2020.
  • A.A.S.E Abeysinghe, C.S Bandara, C.S.A Siriwardana, R. Haigh, D. Amarathunga, P.B.R Dissnayake, "Incorporation of Disaster Risk Reduction Mechanisms for Flood Hazards into the GREENSL Rating System for Built Environment" in 10th international conference on Structural Engineering and Construction Management, Kandy ,Sri Lanka, 12th to 14th December 2019.
  • W K D Rathnayake, A.A.S.E. Abeysinghe, C S A Siriwardana, C.S. Bandara, P.B.R.Dissanayake, "Evaluation of Multi-Hazard Early Warning Systems (MHEWS): Case studies in Myanmar, and Sri Lanka" in Sustainable Built Environment 19 Malta International conference, Valletta , Malta, Nov 21st -22nd 2019.
  • W.K.D Ranthnayake, A.A.S.E Abeysinghe, C.S Bandara, C.S.A Siriwardana, P.B.R Dissnayake, "Investigation of the Impact of the Disaster Management Elements in a Coastal System to the Disaster Risk Governance: Case Studies from Sri Lanka, Myanmar and Maldives" in 9th international conference on Building resilience ICBR9 Bali Indonesia, 13th-15th January 2020.
  • W.K.D Ranthnayake, C.S.A Siriwardana, C.S Bandara, P.B.R Dissnayake, "Investigation of the Institutions formed and empowered from disaster risk governance policies: Case studies from Sri Lanka, Myanmar and Maldives" in 10th international conference on Structural Engineering and Construction Management, Kandy ,Sri Lanka, 12th to 14th December 2019.
  • S.B. Narasinghe, P.A.K. Karunananda, P.B.R. Dissanayake, "Service Life Prediction of Masonry Arch Bridges Using Artificial Neural Networks", Concrete Bridge Conference, 7 - 10 May 2006, pp 77 - 99.
  • P.B.R. Dissanayake, P.A.K. Karunananda, August 2005, "Conditional Assessment of Reverted Wrought Iron Railway Bridges", Official Publication of the National Construction Association of Sri Lanka, Vol. 11, No. 02, pp 40 - 42.
  • P.B.R. Dissanayake, 2005, "An Overview of Construction Material Crisis in Sri Lanka", Proc. Of the Annual Seminar of the Civil Engineering Society of Department of Civil Engineering, CES, pp 7 - 10.
  • Dissanayake P.B.R. , "THANI THATTU NIWASA VALATA SWABAVIKA VIPATH MAGIN PAMINENA HANI WALAKWA GANIMA SADAHA MULIKA UPASESH KIHIPAYAK", article published in Kadurata witthi by National Contractors Association of Sri Lanka.
  • S. Ohkubo, P.B.R. Dissanayake, K. Taniwaki, 1999, "Muti- Criteria Fuzzy Optimization of Bridge Systems Considering Aesthetics and Total Social Loss", Proceedings of the First China-Japan-Korea Symposium on Optimization of Structural and Mechanical Systems, pp 225 - 232.
  • S. Ohkubo, P.B.R. Dissanayake, 1999, "A Intelligent Multi- Criteria Fuzzy Optimum Design Method for Large-Scale Structural Systems", Proceedings of the Third World Congress of Structural and Multi-disciplinary Optimization, WCSNO-3.
  • Mohadevan. N., Senevirathne. H.N., Abaykoon. S.B.S., Dissanayake. P.B.R. and Kurukulasuriya. L.C., (2002), "A Study of Seismic Status of Greater Colombo Area", Proceedings of the Young Geotechnical Engineers Conference - 2002, Sri Lanka Geotechnical Society.
  • P.A.K. Karunananda, P.B.R. Dissanayake, "System Reliability Modelling of Wrought Iron Railway Bridges", Proceedings of the Peradeniya University Research Sessions, Sri Lanka, Vol. 10, November 10, 2005, pp 72.
  • S. Jothy Kanna, P.B.R. Dissanayake, "Optimum Design of Mass Concrete Bride Abutment", Proceedings of the Peradeniya University Research Session, Sri Lanka, Vol.10, November 10, 2005, pp 79.
  • P.B.R. Dissanayake, KR.B. Herath, S.A.S.C. Siriwardane, "Low Cycle Fatigue Life Prediction of Existing Railway Bridges", Proceedings of the Peradeniya University Research Session, Sri Lanka, Vol.10, November 10, 2005, pp 88.
  • S. Jothy Kannna, P.B.R. Dissanayake, 2005, "Optimum Design of Pre-Stressed Beams using available Softwares", The Institution of Engineers, Sri Lanka, Transactions.
  • S.B. Narasinghe, P.B.R. Dissanayake, 2007, "Fuzzy Decision-Making Technique for Relative Evaluation of Aesthetic of Pre-Stressed Concrete, Bridge System", Proceedings of the Internationa Conference on Computation Method (ICCM 2007), 216, Springer, Hiroshima, Japan, pp 204.
  • P.B.R. Dissanayake, "Health Monitoring of Structures using Model Tools", Journal Institute of Engineers Sri Lanka.
  • P.B.R. Dissanayake, S.A.S.C. Siriwardane, "An Accurate Life Estimation Method for Existing Railway Bridges, Journal Institute of Engineers Sri Lanka, pp: 7-16.
  • S.A.S.C Siriwardane, P.B.R. Dissanayake, M.P. Ranaweera, "Service Life Prediction of Existing Old Structures".
  • P.B.R. Dissanayake, S. Jothy Kanna, "Computer Technique in Bridge Design", Proceedings of the Peradeniya University Research Session, Sri Lanka, Vol.12, November 30, 2007, pp
  • H.M.K.G.G.H.B. Herath, L.G.A. Liyanage, M.G.B.S. Manangoda, P.B.R. Dissanayake, "Visuals Screening Sheet for Evaluation of Earthquakes Risk of Bridges", Proceedings of the Peradeniya University Research Session, Sri Lanka, Vol.12, November 30, 2007, pp??.
  • D.M.N.K. Bandaranayake, R.D.C.S. Beligahavatta, R.M.S.N. Kumara, P.B.R. Dissanayake, "Cost Comparison Between Concrete and Steel Structure for Blast Loading", Proceedings of the Peradeniya University Research Session, Sri Lanka, Vol.12, November 30, 2007.
  • P.B.R. Dissanayake, P.A.K. Karunananda, "Non-normality in Reliability Based Condition Prediction of Bridges", Proceedings of Annual Sessions of Institution of Engineers, Sri Lanka, October, 2007.
  • P.B.R. Dissanayake, S. Jothy Kanna, "Software for Optimized Bridge Design", Proceedings of Annual Sessions of Institution of Engineers, Sri Lanka, October, 2007.
  • Bandara, C.S., Siriwardane, S.C., Dissanayake, U.I. and Dissanayake, R., 2013. Prediction Methods of Stress Life Curves for Various Stress Ratios for Steels in the High Cycle Region.
  • Kurukulasuriya, L.C., Dissanayake, D.M.A.G.B. and Dissanayake, P.B.R., 2015. Effect of fouling on shear strength characteristics of rail track ballast.
  • Dissanayake, D.M.A.G.B., Kurukulasuriya, L.C. and Dissanayake, P.B.R., 2016. Evaluation of shear strength parameters of rail track ballast in Sri Lanka. Journal of the National Science Foundation of Sri Lanka, 44(1).
  • Dissanayake P.B.R. , Bandara A.N.A.C.S., Thilakarathne, B.M.M.N., Karunanayake K.T.S. and Dananjaya R.M.S., "Community and Infrastructure Resilience in Disasters through Preparedness Using Past Experiences", Ninth Annual International Conference of the International Institute for Infrastructure Renewal and Reconstruction (IIIRR), January 2013.
  • M.S.T. Priyadarshana, P.B.R. Dissanayake, A. Senaratne, "Effective use of Manufactured Sand in High Performance Concrete", Eight International Conference on Structural Engineering and Construction Management (ICSECM), Kandy, Sri Lanka, December 2017.
    BOOK CHAPTERS:
  • Chaminda S. Bandara and Ranjith Dissanayake, 2014, Blast Effects on Reinforced Concrete Cantilever Slabs, LAMBERT, Academic Publishing.
  • Siriwardane Sudath Chaminda, Mitao Ohga, Ranjith Dissanayake and Kaita Tatsumasa, (2009), Remaining fatigue life estimation of existing railway bridges, Railway Transportation: Policies, Technology and Perspectives, (Chapter of an Edited Book) Nova Publishers, USA, ISBN: 978-1-60692-8639, pp.181-216.
  • Mitao Ohga, Siriwardane Sudath Chaminda, Ranjith Dissanayake and Abeetha Peris Fatigue of Structural Connections: A Recent Research, Structural Steel and Castings: Shapes and Standards, Properties and Applications, (Chapter of an Edited Book) Nova Publishers, USA, ISBN: 978-1-61728-104-4.
  • Siriwardane Sudath Chaminda, Mitao Ohga, Munindasa P. Ranaweera, Ranjith Dissanayake and Raveendra Herath A Simple Model to Predict Ultra-Low Cycle Fatigue Fracture of Steel Bridges, Bridge Design: Types, Management and Analysis, (Chapter of an Edited Book) Nova Publishers, USA (Accepted on 3rd July 2010).
  • Siriwardane Sudath Chaminda, Mitao Ohga, Ranjith Dissanayake and Kaita Tatsumasa, (2009), Remaining fatigue life estimation of existing railway bridges, Railway Transportation: Policies, Technology and Perspectives, (Chapter of an Edited Book) Nova Publishers, USA, ISBN: 978-1-60692-8639, pp.181-216.
  • Mitao Ohga, Siriwardane Sudath Chaminda, Ranjith Dissanayake and Abeetha Peris Fatigue of Structural Connections: A Recent Research, Structural Steel and Castings: Shapes and Standards, Properties and Applications, (Chapter of an Edited Book) Nova Publishers, USA, ISBN: 978-1-61728-104-4.
  • Siriwardane Sudath Chaminda, Mitao Ohga, Munindasa P. Ranaweera, Ranjith Dissanayake and Raveendra Herath A Simple Model to Predict Ultra-Low Cycle Fatigue Fracture of Steel Bridges, Bridge Design: Types, Management and Analysis, (Chapter of an Edited Book) Nova Publishers, USA (July 2010).
    BOOKS:
  • Guidance Notes on Safer School Construction, Global Facility for Disaster reduction and recovery published by INEE, the World Bank and international strategy for disaster reduction 2007.
  • Guideline for building at risk for Natural Disaster, Published by Society of Structural Engineering Sri Lanka, 2005.
    DISSERTATIONS:
  • Multicriteria Fuzzy Optimization of Prestressed Concrete Bridge System, PhD. Dissertations, Department of Civil Engineering, Ehime University, Japan, 2008.
  • A Fundamental Study on Optimal Design of Prestressed Concrete Structure, M. Eng. Dissertation, Department of Civil Engineering, Ehime University, Japan, 2005.
  • Associate Editor for the International Journal of Structural Health Monitoring (http://shm.sagepub.com/ )
  • Founding President, International Association for Bridge Maintenance and Safety (IABMAS) Sri Lanka Chapter,2019 -to date
  • President, Engineers Without Boarder Sri Lanka (EWBSL), present
  • Director, Engineering Design and Consultancy Centre (ED&CC) ,2001- 2002
  • President, Ando Club of Sri Lanka (ACSL), present
  • Vice President, Green Building Council Sri Lanka and Chairman, Education and Training of Green Building Council Sri Lanka,2010-2016
  • Coordinator for University of Peradeniya, for ProSPER.Net, 2014
  • Chairman, Civil Eng. Sectional Committee Institution of Engineers, Sri Lanka (IESL) (2018 - 2020)
  • Chairman, Transport Sector Committee, Institution of Engineers, Sri Lanka (IESL), 2016
  • Chairman, Library and Publications Committee, Institution of Engineers, Sri Lanka (IESL), 2019
  • Director, HETC (Higher Education for Twenty First Century) Project funded by the World Bank, University of Peradeniya, 2014



Department of Civil Engineering