• Ph.D. in Civil Engineering, University of Peradeniya, Sri Lanka – 2024
• B.Sc. Eng. (Hons) in Civil Engineering (First Class), South Eastern University of Sri Lanka (SEUSL) – 2019

• Lecturer (Probationary), Department of Civil and Environmental Engineering, University of Ruhuna (September 2023 – To date)
• Visiting Lecturer, Department of Civil Engineering, South Eastern University of Sri Lanka (May 2023 – To date)
• Temporary Research Assistant (Ph.D. Candidate), Department of Civil Engineering, University of Peradeniya (June 2023 – September 2023)
• Research Assistant (Ph.D. Candidate), AHEAD Project, Department of Civil Engineering, University of Peradeniya (August 2019 – May 2023)
• Civil Engineer, Civil & Structural Engineering Consultants International (Pvt) Ltd. (May 2019 – August 2019)

• Associate Member of Institution of Engineers, Sri Lanka
• Associate Engineer of Engineering Council, Sri Lanka
• Individual Member of International Association for Bridge Maintenance and Safety (IABMAS)

• Performance improvement of ballasted rail tracks using artificial inclusions.
• Discrete element method (DEM) simulation of behavior of granular materials.
• Finite element method (FEM) simulation of behavior of elastomeric materials.

• Practical Coordinator – Department of Civil and Environmental Engineering, University of Ruhuna (January 2024 – To data)
• Student Counsellor, Faculty of Engineering, University of Ruhuna (January 2024 – To date)

• Full-time Ph.D. scholarship under the AHEAD operation of Ministry of Higher Education, Sri Lanka funded by the World Bank at Department of Civil Engineering, University of Peradeniya, Sri Lanka.
• Winner of Gold Medal for the “Best Performance in Civil Engineering” for the academic year 2012/2013 at South Eastern University of Sri Lanka.

Refereed Journal Publications

• Mayuranga, H. G. S., Navaratnarajah, S. K., Bandara, C. S., and Jayasinghe, J. A. S. C. (2023). “Elastic inclusions in ballasted tracks – a review and recommendations. “International Journal of Rail Transportation. https://doi.org/10.1080/23248378.2023.2170285.
• Mayuranga, H. G. S. and Navaratnarajah, S. K. (2023). “Effect of clay fouling on track drainage capacity of railway Ballast: Experimental and numerical study.” Construction and Building Materials, 364, 129987. https://doi.org/10.1016/j.conbuildmat.2022.129987.
• Navaratnarajah, S. K., Mayuranga, H. G. S. and Venuja, S. (2022). “Influence of type of sleeper–ballast interface on the shear behaviour of railway ballast: An experimental and numerical study.” Sustainability, 14(24), 16384. https://doi.org/10.3390/su142416384.

Papers Published in Book Chapters

• Mayuranga, H. G. S., Navaratnarajah, S. K., Bandara, C. S., and Jayasinghe, J. A. S. C. (2023) “Influence of recycled USP on shear behaviour of railway ballast: experimental and numerical approach.” ICSBE 2022, Lecture Notes in Civil Engineering, Springer, Singapore, 362, 231-244. https://doi.org/10.1007/978-981-99-3471-3_17.
• Mayuranga, H. G. S., Navaratnarajah, S. K., Bandara, C. S. and Jayasinghe, J. A. S. C. (2023) ”Numerical simulation of energy-absorbing rubber pads using FEM and DEM approaches – A comparative study”, ICSECM 2021, Lecture Notes in Civil Engineering, Springer, Singapore 266, 283-295. https://doi.org/10.1007/978-981-19-2886-4_21.
• Mayuranga, H. G. S., Navaratnarajah, S. K., Gimhani, M. M. N. and Karunarathne, J. M. M. Y. (2022) ”The effect of fouling materials on permeability behaviour of large size granular materials”, ICSBE 2020, Lecture Notes in Civil Engineering, Springer, Singapore, 174, 33-46. https://doi.org/10.1007/978-981-16-4412-2_4.

Conference Papers

• Mayuranga, H. G. S., Navaratnarajah, S. K., Bandara, C. S. & Jayasinghe, J. A. S. C. (2023) ‘Effect of grid under sleeper pad on shear resistance at sleeper-ballast interface’, 14th International Conference on Sustainable Built Environment. Kandy, Sri Lanka.
• Navaratnarajah, S. K., Mayuranga, H. G. S. and Venuja, S. (2022) ‘Shear behavior and permeability of rail track ballast fouled by the infiltration of finer particles’, International Conference on Engineering – 2022. Jaffna, Sri Lanka, pp. 66-72.
• Mayuranga, H. G. S. & Navaratnarajah, S. K. (2021) ‘Permeability behaviour of clay fouled railway ballast’, 3rd International Conference in Geotechnical Engineering. Colombo, Sri Lanka.
• Navaratnarajah, S. K. & Mayuranga, H. G. S. (2021) ‘Shear and degradation behaviour of rail ballast with different interfaces’, 3rd International Conference in Geotechnical Engineering. Colombo, Sri Lanka.
• Rathnayake, R. M. D. L., Mayuranga, H. G. S., Bandara, C. S., Jayasinghe, J. A. S. C. & Navaratnarajah, S. K. (2021) ‘Track deflection at transition zones of ballasted rail tracks – a field study’, 3rd International Conference in Geotechnical Engineering. Colombo, Sri Lanka.
• Mayuranga, H. G. S., Navaratnarajah, S. K., Bandara, C. S. & Jayasinghe, J. A. S. C. (2021) ‘A review of performance improvement of ballasted tracks by using rubber inclusions’, 114th annual session of Institution of Engineers Sri Lanka.
• Mayuranga, H. G. S., Navaratnarajah, S. K., Bandara, C. S. & Jayasinghe, J. A. S. C. (2019) ‘A state of the art review of the influence of rubber inclusions in railway tracks’, 10th International Conference on Structural Engineering and Construction Management. Kandy, Sri Lanka, pp. 367-377.
• Mayuranga, H. G. S., Kumara, B. L. T. S., Jeyakaran, T. & Thamboo, J. A. (2018) ‘Seismic analysis of RC building infilled with masonry: case study of a school building’, 09th International Conference on Sustainable Built Environment. Kandy, Sri Lanka, pp. 153-159.

Extended Abstracts

• Mayuranga, H. G. S., Navaratnarajah, S. K., Bandara, C. S. and Jayasinghe, J. A. S. C. (2021) ‘Effect of under sleeper pad on shear and degradation behaviour of railway ballast’, Peradeniya University International Research Sessions (iPURSE). University of Peradeniya, Peradeniya, Sri Lanka, pp. 448.
• Navaratnarajah, S. K., Mayuranga, H. G. S., and Venuja, S. (2021) ‘Large-scale testing facilities to study stress-strain, degradation and drainage behaviour of railway ballast’, Peradeniya University International Research Sessions (iPURSE). University of Peradeniya, Peradeniya, Sri Lanka, pp. 452.