Dr A. J. Dammika (Dammika Abeykoon) is a Senior Lecturer in the Department of Civil Engineering at University of Peradeniya. He has already completed ten years of service in the academia and has gained more than five years of construction industry experience as well before commencing the academic career. His main teaching areas includes Structural Mechanics, Structural Dynamics, Design of Steel Structures and Bridge Engineering. His main research interest includes Structural Health Monitoring, steel-concrete composite structures and bridge engineering. Specifically, he has involved with many projects that uses vibration-based damage detection and structural monitoring techniques.

• Ph.D. in Structural Engineering, Saitama University, Japan (2010– 2014)
• M.Eng. in Structural Engineering, Asian Institute of Technology, Thailand (2007 – 2009)
• BSc.Eng.Honours Degree in Civil Engineering, University of Peradeniya, Sri Lanka (1999 – 2003)

• Structural Health Monitoring, Bridge Engineering, Steel-Concrete Composite

• Senior Lecturer (Grade II) - Department of Civil Engineering, University of Peradeniya, Sri Lanka (Since Dec.2015)
• Lecturer (Probationary) - Department of Civil Engineering, University of Peradeniya, Sri Lanka (Jan.2015 to Dec.2015)
• Coordinator – PG Programme in Structural Engineering (Feb. 2020 – Aug. 2024)
• Civil Engineer - MUT-GmbH, Austria. (2009 to 2010 based in Sri Lanka)
• Resident Engineer/Site Engineer - Link Engineering (Pvt) Ltd., Sri Lanka (2004 to 2007)

• Associate Member – IESL
• Associate Member – SSESL
• Member – IABMAS (Sri Lankan Chapter)
• Member – CILT
• Associate Professional - GBCSL

• Japanese Government MEXT Scholarship
• ADB-JSP Scholarship

• Shamendra Egodawela, Amirali K. Gostar, H. A. D. Samith Buddika, Nalin Harischandra, A. J. Dammika (2024), "Multispectral Imaging and Spectral Unmixing for Characterization of Relative Phase Composition of Steel Corrosion Products," in IEEE Sensors Journal, 24 (22), 37879-37893. https://doi.org/10.1109/JSEN.2024.3428472
• R. G. S. S. Perera, J. H. A. Ruwanmali, J. A.S. C. Jayasinghe, C. S. Bandara, A. J. Dammika (2024).” Thermal performance of glass façade under fire loading: a numerical approach”, Journal of the National Science Foundation Sri Lanka, V52(2), 229-241. https://doi.org/10.4038/jnsfsr.v52i2.11732
• Egodawela, S., Khodadadian Gostar, A., Buddika, H.A.D.S., Dammika, A. J., Harischandra, N., Navaratnam, S., Mahmoodian, M. (2024). “A Deep Learning Approach for Surface Crack Classification and Segmentation in Unmanned Aerial Vehicle Assisted Infrastructure Inspections”. Sensors 2024, 24, 1936. https://doi.org/10.3390/s24061936
• M. Jenothan, J.A.S.C. Jayasinghe, C.S. Bandara, A. J. Dammika (2023). “Performance evaluation of steel hollow box piers under bidirectional lateral cyclic loading to enhance the existing seismic verification framework”, Journal of Constructional Steel Research, Volume 212. https://doi.org/10.1016/j.jcsr.2023.108246
• W. M. A. D. Wijethunge, A. J. Dammika, C. S. Bandara, J. Jayasinghe (2023). “Three-Dimensional Numerical Simulation for Lateral Distortional Buckling Behaviour of Steel Concrete Composite Beams”, ENGINEER 56 (02), 23-35. : https://doi.org/10.4038/engineer.v56i2.7574
• Y. G. P. Erange, M. Jenothan, J. Jayasinghe, C. S. Bandara, A. J. Dammika (2023). “Enhancement of the Lateral Performance of RC Columns Using Steel Jacketing: A Numerical Approach”, ENGINEER 56 (02), 51-64. https://engineer.sljol.info/articles/10.4038/engineer.v56i2.7576
• S. P. L. Madhumali, J. A. S. C. Jayasinghe, C. S. Bandara and A. J. Dammika (2021).” Sensitivity Analysis of Brinell Hardness Number to Material Properties of Structural Steel: A Numerical Study”, ENGINEER 54 (04), pp.75-85. https://engineer.sljol.info/articles/10.4038/engineer.v54i4.7472
• K. Fernando, D. Dissanayake, M Dharmasiri, and A. J. Dammika (2020).” Damage Detection and Condition Monitoring of Pre-stressed Concrete Bridges by using Vibration-based Health Monitoring Techniques”, ENGINEER 53 (03), .91-100. http://doi.org/10.4038/engineer.v53i3.7422
• Rahul Kumar Verma, K. K. Pattanaik, P. B. R. Dissanayake, A. J. Dammika, H. A. D. Samith Buddika, Mosbeh R. Kaloop (2020).” Damage Detection in Bridge Structures: An Edge Computing Approach”, arXiv.org > eess > arXiv:2008.06724 (Cornell University). https://arxiv.org/abs/2008.06724
• P. Gatheeshgar, P.Silojan, Dammika, A. J. and H. D. Yapa (2018).” Prediction of Shear Transfer in High-strength Concrete Crack Interfaces. ENGINEER 51(3), .21–30. http://doi.org/10.4038/engineer.v51i3.7303
• A. J. Dammika, Kawarai, K., Yamaguchi, H., Matsumoto, Y., and Yoshioka, T. (2015). "Analytical Damping Evaluation Complementary to Experimental Structural Health Monitoring of Bridges." Journal of Bridge Engineering, 20(7). https://ascelibrary.org/doi/abs/10.1061/(ASCE)BE.1943-5592.0000691
• Dissanayake, G. B., Dammika, A. J., Bandara, C. S., Jayasinghe, J. A. S. C., Dissanayake, P. B. R. (2024). Experimental Investigation of Dynamic Behaviour of Prestressed Concrete Bridge Girders. In: Dissanayake, R., et al. Proceedings of the 14th International Conference on Sustainable Built Environment. ICSBE 2023. Lecture Notes in Civil Engineering, vol 517. Springer, Singapore. https://doi.org/10.1007/978-981-97-3737-6_42
• Ekanayake, E. M. R., Herath, H. M. A. I., Jayasinghe, J. A. S. C., Dammika, A. J. (2024). Numerical Study on External Pressure Variation of Tall Buildings Due to Interfering Effects. In: Dissanayake, R., et al. Proceedings of the 14th International Conference on Sustainable Built Environment. ICSBE 2023. Lecture Notes in Civil Engineering, vol 517. Springer, Singapore. https://doi.org/10.1007/978-981-97-3737-6_46
• Dissanayake, G.B., Dammika, A. J., Siriwardane, S.C., Bandara, C.S., Jayasinghe, S.C., Dissanayake, P.B.R. (2024). Experimental Investigation on Characteristics of Combined Viscous and Coulomb Damped System. In: Pavlou, D., et al. Analytical and Experimental Methods in Mechanical and Civil Engineering. OES 2023. Structural Integrity, vol 28. Springer, Cham. https://doi.org/10.1007/978-3-031-49723-0_20
• Jenothan, M., Jayasinghe, J.A.S.C., Bandara, C.S., Dammika, A. J. (2022). Lateral Performance of Thin-Walled Steel Box Column with Replaceable Energy Dissipation Mechanism. In: Dissanayake, R., et al. ICSECM 2022. Lecture Notes in Civil Engineering, vol 266. Springer, Singapore. https://link.springer.com/chapter/10.1007/978-981-19-2886-4_15
• Madhumali, S.P.L., Jayasinghe, J.A.S.C., Bandara, C.S., Dammika, A. J. (2022). Spherical Indentation Test to Determine Metal Properties Using Representative Strain Concept: A Review. In: Dissanayake, R., et al. ICSECM 2022. Lecture Notes in Civil Engineering, vol 266. Springer, Singapore. https://link.springer.com/chapter/10.1007/978-981-19-2886-4_4
• Jenothan, M., Jayasinghe, J.A.S.C., Bandara, C.S., Dammika, A. J. (2023). Thin-Walled Hollow Steel Box Piers with Energy Dissipation Mechanism Under Bi-directional Cyclic Loading. In: Dissanayake, R., et al. ICSBE 2022. Lecture Notes in Civil Engineering, vol 362. Springer, Singapore. https://link.springer.com/chapter/10.1007/978-981-99-3471-3_3
• Dissanayake, G. B., Dammika, A. J., Bandara, C. S., Jayasinghe, J. A. S. C., Dissanayake, P. B. R. (2023). Damage Prediction by Using Nonlinearity of Damping. In: Dissanayake, R., et al. ICSBE 2022. ICSBE 2022. Lecture Notes in Civil Engineering, vol 362. Springer, Singapore. https://link.springer.com/chapter/10.1007/978-981-99-3471-3_3

• Partner of University Research Grant Project (URG/2024/16/E): Extraction of Nonlinear Modal Damping Signature of Reinforced Concrete & Prestressed Concrete Beams for their Structural Health Monitoring.
• Principal Investigator of University Research Grant Project (UGR/2019/14/E): Investigation on damping characteristics of post-tensioned concrete girder bridges in Sri Lanka.
• Partner of University Research Grant Project (URG/2016/76/E): Shear strength of high- strength reinforced concrete beams at beam-column joints.
• Partner of Collaborative Research Grant Project on Steel bridges and Weathering Steel by JFE Steel Co-operation Japan together with Saitama University, Japan.
• Partner of joint research project on “Wireless Sensor in-Network Distributed Detection Mechanism for Structural Health Monitoring in Civil Structures” under India -Sri Lanka Inter-Governmental Science & Technology Cooperation Programme.
• Partner of National Research Council- Sri Lanka Research Grant in 2015 (NRC 15-127): Damage detection and structural assessment of existing steel and concrete structures in Sri Lanka with emphasis on connections and support details.

IAEA/RCA Regional Workshop on the Application of NDT for Civil Engineering Structures, Wellington, New Zealand, from 7th to 11th October 2019 organized by International Atomic Energy Agency