Chamath Wijerathne
Instructor
Contact info
+94 71 701 7723
chamath412@gmail.com
Galle, Sri Lanka
About
Eng. Chamath Wijerathne is a temporary instructor in the Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna. His research interests include geotechnical engineering, ground improvement, and dynamic compaction of granular soils. He received the Best Research Presentation Award at the 14th Undergraduate Research Symposium (UGRS 2025) and the Best Paper Award at the 11th International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS 2026). His work focuses on improving the understanding and performance of ground improvement techniques through experimental investigations.
Research Areas
- Geotechnical Engineering
- Dynamic Compaction
- Image-based Analysis
Teaching
- Geotechnical Engineering
- Engineering Surveying
- Structural Analysis
Publications
- Wijerathne, H.C.R. and Priyankara, N.H. (2025) ‘Effect of fine content on the performance of dynamic compaction’, in Proceedings of the 14th Undergraduate Research Symposium on Recent Advances in Civil Engineering. Galle, Sri Lanka: Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, pp. 3-4. ISSN 2386-1894.
- Wijerathne, H.C.R. and Priyankara, N.H. (2026) ‘Effect of fine content on the performance of dynamic compaction’, in Proceedings of the 11th International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS-2026). Galle, Sri Lanka: Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna, pp. 237-244. ISSN 2279-1329. (In press).
Honours and Awards
- Best Student in Geotechnical Engineering of the cohort,
graduated in the Year 2026 – Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna | 2026 - Best Student in Structural Engineering of the cohort, graduated in the Year 2026
Department of Civil and Environmental Engineering, Faculty of Engineering, University of Ruhuna - Best Paper Award, 11th International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development (ACEPS-2026)
Civil and Environmental Engineering Society (CEES), Faculty of Engineering, University of Ruhuna - 2nd Place – Best Undergraduate Project in Geotechnical Engineering (national) Sri Lanka Geotechnical Society (SLGS)
- Award for Best Presenter, 14th Undergraduate Research Symposium Civil and Environmental Engineering Society (CEES), Faculty of Engineering, University of Ruhuna
Work Experience
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- Temporary Instructor, Faculty of Engineering, University of Ruhuna, Sri Lanka
Period: Jan 2026 – Present
Instructed assignments, quizzes, tutorials, and design classes as a module-coordinating instructor for the following
modules:
• CE4301: Building Planning and Cost Estimating
• CE6303: Environmental Engineering Design
Conducted the following laboratory sessions as an instructor:
• Engineering Surveying (Angle Measurement, Tape and Offset, Levelling, Detail Surveying)
• Geotechnical Engineering (Consolidation Test, Direct Shear Test)
• Structural Analysis (Two Hinged Arch, Strut Test)
• Traffic and Transportation Engineering (Spot Speed and Travel Time Study)
• Mechanics of Materials (Deflection of Timber Beams) - Design Geotechnical Engineer, National Building Research Organisation (NBRO), Sri Lanka
Period: Feb 2025 – Apr 2025
• Contributed to mitigation design work for landslide failure locations triggered by Cyclone Ditwah.
• Conducted analysis of failed slopes, performed back analysis to estimate subsurface soil layer configurations,
and carried out slope stability assessments.
• Involved in mitigation design including soil nailing, retaining wall construction, and slope reshaping, supported
by detailed design calculations and stability checking. - Trainee Design Engineer (Undergraduate), Civil and Structural Engineering Consultants, Sri Lanka
Period: Nov 2024 – Feb 2025
• Assisted in checking structural drawings, preparing design calculations, and reviewing design documents.
• Gained experience in coordination with engineers, documentation control, and design office workflows. - Trainee Civil Engineer (Undergraduate), Access Engineering PLC, Sri Lanka
Period: Nov 2024 – Feb 2025
• Assisted with site supervision, quality inspections, and monitoring of construction activities.
• Gained experience in quantity estimation, progress reporting, and coordination between site teams and
technical staff.
