Department of Civil Engineering

Dr. H. A. D. Samith Buddika

Senior Lecturer


Office Address:

Department of Civil Engineering,

University of Peradeniya,

Peradeniya,20400,

Sri Lanka.

Email: samithbuddika@gmail.com , samithbuddika@eng.pdn.ac.lk

Telephone : +94-77-217-1984

Dr. Samith Buddika earned his BSc.Eng degree with First Class Honors in Civil Engineering (2009) from the University of Peradeniya in Sri Lanka. He joined the department as a probationary lecturer in 2011. He obtained his M.Eng (2013) and PhD (2017) from the Tokyo Institute of Technology (TIT), Japan. He is a member of Earthquake reconnaissance survey team from TIT to Nepal after 2015 Nepal earthquake that killed nearly 9,000 people and injured nearly 22,000.

Dr. Samith Buddika's research is in the area of Earthquake-resistant design and analysis of structures, Vibration-based Health Monitoring, UAV based health Monitoring, intelligent structural damage identification using machine learning techniques and sustainable concrete materials.

He has won the Access Engineering PLC Award for the “Best Paper” published in Society of Structural Engineers Sri Lanka (SSE SL) in 2021, Award for the “Best Paper” in Annual Sessions of SSE SL in 2022, and The President's Awards for Scientific Research from the Government of Sri Lanka in 2018.

Dr. Samith Buddika worked as the consulting structural expert for several major constructions and consulting companies in Sri Lanka.

  • PhD, Tokyo Institute of Technology, Tokyo, Japan (Structural Eng/Earthquake Eng.), 2017.
  • M.Eng., Tokyo Institute of Technology, Tokyo, Japan (Structural Eng/Earthquake Eng.), 2013.
  • BSc.Eng (First class Hons) , University of Peradeniya, Peradeniya, Sri Lanka (Civil Eng.), 2009.
2022
Gold Medal, Professor S.R. De S. Chandrakeerthy Award for the “Best Paper” presented at the Annual Sessions-2022 of Society of Structural Engineers, Sri Lanka
2021
Gold Medal, Access Engineering PLC Award for the “Best Paper” published in MODULUS for the Session 2021, of Society of Structural Engineers, Sri Lanka
2018
President’s Awards for scientific research (an award will be given to each of the top 100 papers published in journals with the highest SCImago Journal Ranking), The National Research Council, Sri Lanka
2015
Best Presentation Award, 7th Multidisciplinary International Student Workshop (MISW 2015), Tokyo Institute of Technology, Japan
Award for the Best Paper Presented at the Annual Secessions - 2022 of the Society of Structural Engineers - Sri Lanka















  • Earthquake-Resistant Design and Analysis of Structures
  • Precast/prestressed Structural Systems with Self-Centering Behavior
  • Vibration-based Structural Health Monitoring
  • Unmanned Aerial Vehicle (UAV)-Based Structural Health Monitoring
  • Image Processing-Based Damage Detection
  • Artificial Intelligence (AI) Techniques in Civil Engineering
  • Sustainable and Green Building Construction Materials
  • High-Performance and Sustainable Concrete Materials
  • Conservation and Restoration of Ancient Stupas in Sri Lanka
  • Associate Member, Institution of Engineers, Sri Lanka (AMIESL)
2023
Principle Investigator, Collaborative Research on Bamboo Structures, NCD Pvt Ltd, Sri Lanka, (LKR. 270, 000)
2023               
Principle Investigator, Use of Sea-Sand as a Fine Aggregate for Reinforced Concrete, Tahara Foundation Sponsored Research (Registration No. GA3280), (LKR 2.2 million)
2023               
Principle Investigator, Research grant funded by postgraduate programmes in Civil Engineering, University of Peradeniya (LKR 1.4 million)
2022               
Co- Investigator, Artificial Intelligence in Non-Destructive Testing Of RC Structures, R & D PROGRAM UNDER THE GOVERNMENT RESEARCH GRANT (GRG)-2022, (LKR 1.1 million)
2022               
Principal Investigator, Investigation Into Warping Of Chrysotile Fiber Cement Roofing Sheets, Rahino Roofing Pvt Ltd, (LKR 2.2 million)
2022               
Principle Investigator, Creating Digital Twins of Ancient Stupa Structures in Sri Lanka to Study Structural Defects and Suggest Remedial Measures, University research grant 2022, University of Peradeniya, (LKR 450,000)
2022               
Principle Investigator, CRP-2022 Research Grant, Tokyo Institute of Technology, Japan (JPY 250,000)
2021               
Principle Investigator, CRP-2021 Research Grant, Tokyo Institute of Technology, Japan (JPY 250,000)
2020               
Co- Investigator, Development Of Innovative Shelter Hospital Buildings For Infectious Diseases, RG/COVID/2020/HS/01, NSF COVID-19 Special Research Grant, Sri Lanka (LKR 1.6 million)
2020               
Principle Investigator, CRP-2020 Research Grant, Tokyo Institute of Technology, Japan (JPY 250,000)
2020               
Principle Investigator, JFE Research Grant, Spread of Steel Bridges in Sri Lanka, JFE Steel, Kawasaki, Japan (LKR 3.6 millions)
2019               
Principle Investigator, CRP-2019 Research Grant, Tokyo Institute of Technology, Japan (JPY 250,000)
2018               
Principle Investigator, CRP-2018 Research Grant, Tokyo Institute of Technology, Japan (JPY 250,000)
2018               
Principle Investigator, Investigation on spalling resistance of concrete made of various cements available in the Sri Lankan Market, INSEE research grant 2018/2019, Department of Civil Engineering, University of Peradeniya, Sri Lanka (LKR 800,000).
2018           
Local Collaborator, University research grant, URG/2018/20/E, University of Peradeniya (LKR 550,000)
2017               
Visiting researcher, MSL Laboratory, Tokyo Institute of Technology, Tokyo, Japan from October 2017-January 2018 (JPY 400,000)
2017               
Invited Speaker, International Workshop on Structural Engineering and Earthquake, Department of Civil and Environmental Engineering, grant from Tokyo Institute of Technology, Tokyo.
2016               
Travel grant, Short-term Student Exchange Program, grant from MEXT, the Ministry of Education, Culture, Sports, Science and Technology, Japan.
2015               
Travel grant, Asia-Oceania Top University League in Engineering (AOTULE), Nanyang Technological University, Singapore, grant from Tokyo Institute of Technology, Tokyo. (http://www.aotule.eng.titech.ac.jp/)
2015               
Travel grant, Field survey by Tokyo Tech team after the April 25, 2015 Nepal earthquake, financial support from the Department of Civil Engineering and the Civil Engineering Alumni Association of the Tokyo Institute of Technology (https://www.titech.ac.jp/english/news/2015/031694).
2013               
Travel grant, Fourteenth Taiwan-Japan Joint Student Seminar on Earthquake Engineering, March 11-12, National Central University, Taoyuan County, Taiwan, grant from Tokyo Institute of Technology, Tokyo.
2012               
Travel grant, 12th Taiwan-Japan Joint Student Seminar on Earthquake Engineering, July 17-18, Tottori, Japan, grant from Tokyo Institute of Technology, Tokyo.
2011-2013       
Monbukagakusho Scholarship for M.Eng. from the Government of Japan.
2013-2016      
Monbukagakusho Scholarship for Ph.D. from the Government of Japan.
    Journal Papers :
  • Egodawela, S.M.K.C.S.B., Samith Buddika H.A.D., Gostar, A. K., Harischandra, W.A.N.I., Dhammika A.J. and Mahmoodian, M. (2023), Metal Loss Defect Detection and Depth Estimation using Multi Spectral Image Analysis of Cooling Excited Steel Specimen with Corrosion, Structural Health Monitoring, (Under review_SHM-23-0086), Impact factor: 5.710 (2023). 
  • Egodagamage, H. C., Yapa, H. D., Samith Buddika, H.A.D, Nguyen, K., and Navaratnam, S. K. (2023), "Effective use of biochar as an additive for alkali-activated slag mortar production", Construction and Building Materials, JCBM_130487, Impact factor: 7.693 (2023). https://doi.org/10.1016/j.conbuildmat.2023.130487 
  • Samith Buddika, H. A. D, Weerasinghe, W.A.C., and Rodrigo, B.C.S.S.W. (2022), Prediction of Drag Force Coefficient for Single-Column-Supported Billboard Structures, Engineer, The Journal of Institution of Engineers, Sri Lanka, 55(3), pp.43–53. DOI: http://doi.org/10.4038/engineer.v55i3.7520
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2018). “Seismic shear design of post-tensioned hybrid precast wall buildings”, Journal of Structural Engineering (ASCE), 144(7):04018086, Impact factor: 2.528 (2018). https://doi.org/10.1061/(ASCE)ST.1943-541X.0002079
  • Samith Buddika, H. A. D. (2017). “Influence of Ground Motion Duration on the Peak Drift Demands of Reinforced Concrete Buildings”, International Journal of Structural Engineering and Analysis, eISSN: 2456-5326, 3 (2), 35-44. https://doi.org/10.37628/jsea.v3i2.242
  • Bhagat, S., Samith Buddika, H. A. D., Adhikari, R. K., Shrestha, A., Bajracharya, S., Joshi, R., Wijeyewickrema, A. C. (2017). "Damage to Cultural Heritage Structures and Buildings Due to the 2015 Nepal Gorkha Earthquake." Journal of Earthquake Engineering, 1-20, Impact factor: 2.754 (2018). https://doi.org/10.1080/13632469.2017.1309608
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2016). “Seismic performance evaluation of post-tensioned hybrid precast wall-frame buildings and comparison with shear wall-frame buildings”, Journal of Structural Engineering (ASCE), 142(6): 04016021, Impact factor: 2.528 (2018). https://doi.org/10.1061/(ASCE)ST.1943-541X.0001466
  • Samith Buddika, H. A. D. and Dissanayake, P. B. R. (2011). “Procedure for service life estimation of old railway bridges (case study).” Annual Research Journal of SLSAJ, 11, 59-64.

    • Conference Papers :
  • Deegoda, D.G.I.S., Buddika, H.A.D.S. and Yapa, H.D.  (2023), “Natural fiber substitutes for asbestos in fiber cement composites in Sri Lanka: A review”, Proceedings of the 9 th International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS – 2023), Paper ID: 2634, 16th March 2023, Faculty of Engineering, University of Ruhuna, Sri Lanka.
  • Egodawela, S., Buddika, H.A.D.S., Harischandra, N., Mahmoodian, M., Mathota, M.R.S.N.M, (2023), "Conservation and Management of Ancient Stupa Using Digital Twins: A Case Study of UAV Based 3D Photogrammetric Digitization of Sri Lankan Stupa" IESL Kandurata Chapter Annual Sessions 2022.
  • Egodawela, S., Buddika, H.A.D.S., Harischandra, W.A.N.I., Mahmoodian, M., Mathota, M.R.S.N.M, (2022) "Conservation and Management of Ancient Stupa Using Digital Twins: A Case Study of UVA-Based 3d Photogrammetric Digitization of Rankoth Wehera Stupa" Proceeding of 13th International Conference on Sustainable Built Environment (ICSBE 2022), 16-18 December 2022, Kandy, Sri Lanka.
  • Egodawela, S., Buddika, H.A.D.S., Harischandra, N., Dammika, A.J., Gostar, A.K. Mahmoodian, M., (2022) "Corrosion Detection and Severity Estimation using Spectral imaging and Active Thermography", Proceedings of Society of Structural Engineers, Sri Lanka - Annual Sessions, Aug. 23, 2022.
  • Egodawela, S., Buddika, H.A.D.S., Harischandra, W.A.N.I., Dammika, A.J., (2021) "Concrete Crack Detection and Segmentation in Images Collected by Unmanned Aerial Vehicles" IESL Kandurata Chapter Annual Sessions 2021
  • Deegoda, D.G.I.S., Dissanayake, D.M.H.B and Samith Buddika, H.A.D., (2021) “Wavelet-Transform-Based Damping Identification of a Tall Building,” Proceedings of Society of Structural Engineers, Sri Lanka - Annual Sessions 2021, Aug. 30, 2021, pp 52-57.
  • Dissanayake, D.M.H.B., Deegoda, D.G.I.S.,and Samith Buddika, H.A.D., (2021) “Identification of Natural Frequency and Modal Damping Ratio of Tall Buildings in Sri Lanka” Proceedings of IESL Young Members Section Technical Conference 2021, Oct. 09, 2021
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2019). “Effects of Near-Fault Ground Motions on Seismic Response of Post-Tensioned Hybrid Precast Concrete Wall-Frame Buildings”, The 7th Asia Conference on Earthquake Engineering, ACEE0171, 22-25 November 2018, Bangkok, Thailand.
  • Samith Buddika, H. A. D.  (2019). “Evaluation of floor vibrations induced by walking in newly constructed mezzanine floor”, Society of Structural Engineers, Sri Lanka, ANNUAL SESSIONS – 2019, Cinnamon Lakeside Hotel – Colombo, August 20.
  • Pattanaik, K. K., Dissanayake P B R, Tapaswi, S., Joydip Dhar, Dammika Abeykoon, Wijesundara, K. K., Samith Buddika, H, A, D, “Outlier detection in wireless sensor networks: a civil structural health monitoring application” The 9th International Conference on Sustainable Built Environment (ICSBE 2018), Kandy, Sri Lanka, December 13-15, ID 461.
  • Padmasiri, P. L. L. T., Gayan, M. A. A., and Samith Buddika, H. A. D. (2018). “Parameters influencing the wind pressure distribution of tall buildings using computational fluid dynamics approach”, The 9th International Conference on Sustainable Built Environment (ICSBE 2018), Kandy, Sri Lanka, December 13-15, ID 474.
  • Wimaladheera, I.G.M.D.D., Perera, I. A. K. T., Samith Buddika, H. A. D. (2018). “Finite element analysis of lateral load behavior and estimation of damage to toe concrete in post-tensioned “rocking precast walls”, The 9th International Conference on Sustainable Built Environment (ICSBE 2018), Kandy, Sri Lanka, December 13-15, ID 488.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C., (2018), “Effects of Near-Fault Ground Motions with Forward-Directivity and Fling-Step Characteristics on Seismic Response of Post-Tensioned Hybrid Precast Concrete Wall-Frame Buildings”, The 7th Asia Conference on Earthquake Engineering, Bangkok, Thailand, November 22 – 25, Paper ID ACEE0171.
  • Jayasinghe, J. A. S. C., Bandara, C. S., and Samith Buddika, H. A. D. (2017), “Automated 3d model construction of civil structures for consistent seismic response analysis”, Society Of Structural Engineers, Sri Lanka - Annual Sessions 2017, Colombo, Sri Lanka.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C., (2016), “Seismic shear force amplification in post-tensioned hybrid precast walls”, Japan-Turkey Cooperative Education Program on Resilience Engineering for Energy and Urban Systems, Feb 22-23, Istanbul Technical University, Istanbul, Turkey. Poster presentation.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2015). “Post-tensioned hybrid precast wall-frame buildings for seismic regions”, Asia-Oceania Top University League on Engineering (AOTULE) 2015 Conference, Nanyang Technological University, Singapore.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2014). “Post-tensioned hybrid precast wall-frame buildings for seismic regions”, Sixth Multidisciplinary International Student Workshop (MISW2014), August 7-8, Tokyo, Japan, Paper ID No. 63.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2013). “Performance evaluation of earthquake-resistant RC buildings with rocking walls”, Fifth Multidisciplinary International Student Workshop (MISW2012), August 8-9, Tokyo, Japan, Paper ID No. 164.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2013).“Seismic strengthening of frame buildings with walls allowed to uplift on their foundation”, Proceedings of the Fifteenth International Summer Symposium JSCE, September 4-6, Tokyo, Japan.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2013). “The behavior of RC rocking wall-frame buildings under pulse-like ground motions”, Tenth International Conference on Urban Earthquake Engineering (10CUEE), March 1-2, Tokyo, Japan, pp. 1349-1355.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2013). “Seismic design and performance evaluation of RC rocking wall-frame buildings", Fourteenth Taiwan-Japan Joint Student Seminar on Earthquake Engineering, March 11-12, National Central University, Taoyuan County, Taiwan.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2012).“Effects of earthquake ground motion duration on reinforced concrete buildings”, Fourth Multidisciplinary International Student Workshop (MISW2012), August 9-10, Tokyo, Japan, pp. 22.
  • Samith Buddika, H. A. D., Viet, N. M., and Wijeyewickrema, A. C. (2012). “Influence of earthquake strong-motion duration on behavior of reinforced concrete frame buildings”, Proceedings of the Ninth International Conference on Urban Earthquake Engineering (9CUEE) and Fourth Asia Conference on Earthquake Engineering (4ACEE), March 6-8, Tokyo, Japan, pp. 913-919.
  • Samith Buddika, H. A. D. and Wijeyewickrema, A. C. (2012). “Effects of earthquake ground motion duration on the performance of reinforced concrete frame buildings”, 12th Taiwan-Japan Joint Student Seminar on Earthquake Engineering, July 17-18, Tottori, Japan.
  • Samith Buddika, H. A. D., Wijeyewickrema, A. C. (2012). “Influence of earthquake strong-motion duration on behavior of reinforced concrete frame buildings”, Fourth TIT-NCU Student Seminar for Civil Engineering, March 5, Tokyo Institute of Technology, Japan, Paper ID No. 8.
  • Samith Buddika, H. A. D., Dissanayake, P.B.R. (2011). “Seismic survey and condition assessment of school building (case study done in the Eastern Province, Sri Lanka)”, International Conference on Building Resilience, July 19-21, Heritance Kandalama, Sri Lanka.
  • Samith Buddika, H. A. D., Rathnayake, R.M.S.U.P., Dissanayake, P.B.R. (2010). “Seismic retrofitting of low-rise buildings with bracing and shear core”, Proceeding of the Peradeniya University Research Secession 2010, 15 (2), 703-705, Peradeniya, Sri Lanka.
  • Samith Buddika, H. A. D., Wijesundara, K.K., Dissanayake, U.I. (2010). “Optimization of reinforced concrete encasement to hume pipe culverts using finite element based analysis”, Proceeding of the Peradeniya University Research Secession 2010, 15(2), 706-708, Peradeniya, Sri Lanka.
  • Samith Buddika, H. A. D., Jayasingha, J.A.S.C. (2010). “Pushover analysis of steel columns having different cross-sectional shapes”, FSERES 2010, Organized by Civil Engineering Societies of the Peradeniya, Ruhuna and Moratuwa, 20-22, Sri Lanka.
  • Samith Buddika, H. A. D., Wickramasinghe, V.S. K. (2010) “Application of ‘Green Concept’ To Segregate Pedestrian and Vehicular Layers to Reduce Urban Traffic Congestion (A Case of Commercial-Pedestrian Underpass Network in Kandy, Sri Lanka)”, International Conference on Sustainable Built Environment (ICSBE-2010), Kandy, Sri Lanka, pp. 50-56.
  • Samith Buddika, H. A. D., Rathnayake, R.M.S.U.P., Dissanayake, P.B.R. (2010). “Seismic Retrofitting of Reinforced Concrete Buildings (case study of six story building)”, Proceeding of the Third International Conference on Seismic Retrofitting, October 20-22, Tabriz, Iran.
  • Samith Buddika, H. A. D., Jayasingha, J.A.S.C., Susantha, K.A.D., Dissanayake, U.I. (2009). “Strength and displacement characteristics of steel columns having different cross-sectional shapes subjected to moderate Earthquake loads”, Proceeding of the Peradeniya University Research Secession 2009, 14(2), 440-442, Peradeniya, Sri Lanka.



Department of Civil Engineering