CAREER SUMMARY
- Professor, Departmnt of Civil Engineering, Faculty of Engineering, Sri Lanka Institute of Information Technology (2022 October - date).
- Senior Professor, Department of Civil Engineering, Faculty of Engineering, University of Moratuwa (2014 March - 2022 September),
- Professor, Departmnt of Civil Engineering, Faculty of Engineering, Sri Lanka Institute of Information Technology (on Sabbatical Leave from University of Morauwa), (2018 March - 2020 February)
- Senior Consultant, Faculty of Engineering, University of Sri Jayawardenapura (on Sabbatical Leave from University of Morauwa), (2016 May - 2017 March)
- Professor, Department of Civil Engineering, Faculty of Engineering, University of Moratuwa (2006 March - 2014 March),
- Dean, Faculty of Engineering, University of Moratuwa (2010 March - 2016 February)
- Head, Department of Earth Resources Engineering, Faculty of Engineering, University of Moratuwa (2004 August - 2010 March)
- Senior Lecturer, Department of Civil Engineering, University of Moratuwa (1992-1995 and 1997-2006),
- Research Associate, University of Moash, Clayton, Melbourne, Australia (1996).
- Research Assistant (Reading for PhD), University of Manitoba, Winnipeg, Manitoba, Canada (1987-1991).
- Civil Engineer, Colombo Municipal Council, Colombo (1982-1987).
ACADEMIC QUALIFICATIONS
- Ph.D. (Applied Mechanics) – University of Manitoba, Canada, 1991.
- M.Eng. (Structural Engineering) – Asian Institute of Technology, Thailand, 1986.
- B.Sc. Engineering (Hons.) (Civil Engineering) – University of Moratuwa, Sri Lanka, 1982.
HONOURS AND AWARDS
- NORAD Scholarship for Masters study at AIT, Thailand; awarded by the government of Norway, for the period September 1984 – May 1986.
- University of Manitoba Graduate Fellowship, awarded by University of Manitoba, Winnipeg, Canada for Doctoral Study, based on academic excellence, for the period September 1988 – December 1990.
- Prof. E.O.E. Pereira Award for best paper in the IESL Annual Transactions, awarded by the Institution of Engineers, Sri Lanka, for the year 2002.
- Award for Appreciation of Outstanding Research Performances, awarded by the University of Moratuwa, Sri Lanka, for research done during a current year and two previous years, received for the years:
- 2001 (for research conducted in years 1999, 2000, 2001)
- 2003 (for research conducted in years 2001, 2002, 2003);
- 2005 (for research conducted in years 2003, 2004, 2005);
- 2006 (for research conducted in years 2004, 2005, 2006);
- 2007 (for research conducted in years 2005, 2006, 2007);
- 2008 (for research conducted in years 2006, 2007, 2008).
RESEARCH INTERESTS AND MEMBERSHIP
Research Interests
- Numerical analysis of rock/soil-structure interction
- Experimental investigation of soil/rock-structure interaction
- Characteristics of unsaturated soils
- Creep behaviour of soft soils
- Engineering characterisitics of rocks
Memberships
- Chartered Civil Engineer, and Member of Institution of Engineers Sri Lanka (since 2003)
- Fellow of Institution of Engineers Sri Lanka (since 2010)
- Member, Sri Lankan Geotechnical Society (since 1993)
- Member, International Society for Soil Mechanics and Geotechnical Engineering (since 1993
RESEARCH CLUSTERS
Geotechnical and Geo Environment
Ground improvements/Ground investigations Secondary consolidation of organic soils Design of rock socketed piles/Rectification of piles
ONGOING RESEARCH
- Rock-socket behaviour of CIB piles in hard crystalline rock
- Effect of forrmation of bentonite cakes in rock sockets in hard crystalline rock
- Goephysical methods for subsurface investigations
PUBLICATIONS
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Numerical Implementation of a Constitutive Model for Soil Creep
Madurapperuma, M.A.K.M., and Puswewala, U.G.A., “Journal of Mechanics of Materials and Structures” , pp. 1857-1874
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Detection of Meeriyabedda Landslides from high resolution optical satellite data
Ranasinghe, A.K.R.N., Silva, G.B.A.I., Dammalage, T.L., Welikanna, D.R., and Puswewala, U.G.A., (Proceedings, 36th Asian Conference of Remote Sensing)
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Finite Element Modelling of Deformation Characteristics of Soft Soils in Colombo OCH Project
Nilminie, W.N.R.P.N., and Puswewala, U.G.A., (Proc. 17th Annual Symposium, ERU, University of Moratuwa)
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“Problems of Land Use/Cover Change Detection with Ordinary Resolution Satellite Data
Jayakody, J.A.S., Puswewala, U.G.A., and Bandara, K.R.M.U., (Proceedings of the 10th Anniversary International Symposium, Sabaragamuwa University of Sri Lanka)
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Numerical Implementation of a Constitutive Model for Soil Creep
Puswewala, U.G.A., and Madurapperuma, M.A.K.M., (Proceedings, 16th International Conference on Soil Mechanics and Geotechnical Engineering, ISSMGE)
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The Effect of Quartz and Feldspar Minerals on Formation of Bentonite Filter Cake over Gneissic Bedrocks in Sri Lanka
Bulathsinhala, A.U.V.B., and Puswewala, U.G.A., “Engineer” , pp. 1-8
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Effectiveness of Pozzolanic Leaf Ashes and Plastics on Geotechnical Characteristics
Yathushan, V., and Puswewala, U.G.A., “International Journal of Engineering and Technology Innovation” , pp. 155-166
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Efficacy of using radar derived factors in landslide susceptibility analysis: case study of Koslanda, Sri Lanka
Ranasinghe, A.K.R.N., Bandara, R., Puswewala, U.G.A., and Dammalage, T.L., “Naturaal Hazards and Earth System Sciences” , pp. 1881-1893
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Size dependency and potential field influence on deriving mechanical properties of carbon nanotubes using molecular dynamics
Dilrukshi, K.G.S., Dewapriya, M.A.N., and Puswewala, U.G.A., “Theoretical and Applied Mechanics Letters 5, Elsevier” , pp. 167-172
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Site Suitability Analysis for Reservoirs in Suriyawewa by using GIS Techniques
Senanayake, I.P., Dissanayake, D.M.D.O.K., and Puswewala, U.G.A., “Journal of Remote Sensing & GIS, STM Journals” , pp. 60-78
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Shear Characteristics of Some Unsaturated Residual Soils
Puswewala, U.G.A., Rathnasiri, R.M., and Rathnajothy, T., (Proceedings, Twelfth Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (12ARC))
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An infinite element algorithm for multilayered saturated halfspaces
Karasudhi, P., Karunasena, W.M., and Puswewala, U.G.A., (Proceedings, U.S.-Korea Joint Seminar/Workshop on Critical Engineering Systems, Vol 1 (ed. C.-K. Choi and H.-S. Ang))
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A finite element by singular contraction for saturated elastic half-spaces
Karasudhi, P., and Puswewala, U.G.A., (Proceedings, 11th Canadian Congress of Applied Mechanics)
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Evaluation of the Potential of Sea Sand as an Alternative to River Sand for Concrete Production in Sri Lanka
Rathnayake, N.P., Puswewala, U.G.A., Chaminda, S.P., Ekanayaka, E.M.T.M., and Jayawardane, M.N., “Journal of Geological Society of Sri Lanka - Professor P.G. Cooray Memorial Volume” , pp. 109-114
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Formation of Hot Water Springs in Sri Lanka
Premasiri, H.M.R., Wijeyesekera, D.S., Weerawarnakula, S., and Puswewala, U.G.A., “Engineer Journal” , pp. 1-7
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Weakening of Some Physical Properties of Fresh Gneissic Rocks Subjected to Artificial Weathering
Samaradivakara, G.V.I., Dharmaratne, P.G.R., and Puswewala, U.G.A., “Transactions 2006, The Institution of Engineers Sri Lanka,” , pp. 127-134
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Unsaturated Shear Strength and Matric Suction Characteristics of a Residual Soil
Tharanganie, B.G.N., and Puswewala, U.G.A., “Transactions 2004, The Institution of Engineers Sri Lanka” , pp. 169-174
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Slope Stability Analysis using Unsaturated Shear Strength Properties
Rathnasiri, R.M., Puswewala, U.G.A., and Peiris, T.A., “Transactions 2003, The Institution of Engineers Sri Lanka” , pp. 77-85
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Numerical modelling of pile-rock interface in rock-socketed piles
Kodagoda, S.S.I., and Puswewala, U.G.A., “Transactions 2002, The Institution of Engineers Sri Lanka” , pp. 62-72
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Matric suction characteristics of some residual soils of Sri Lanka
Ratnajothy, T., and Puswewala, U.G.A., “Transactions 2001, The Institution of Engineers Sri Lanka” , pp. 159-169
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Creep response of laterally loaded piles in ice and permafrost
Puswewala, U.G.A., Rajapakse, R.K.N.D., Domaschuk, L., and Shields, D.L., “ Geotechnique” , pp. 223-240
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Finite element modelling of pressuremeter tests and footings on frozen soils
Puswewala, U.G.A., Rajapakse, R.K.N.D., Domaschuk, L., and Lach, R., “International Journal for Numerical and Analytical Methods in Geomechanics” , pp. 351-375
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Numerical modeling of structure-ice/frozen soil interaction
Puswewala, U.G.A. and Rajapakse, R.K.N.D. , “Journal of the Cold Regions Engineering, American Society of Civil Engineers ” , pp. 133-151
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Axisymmetric fundamental solutions for a completely saturated porous elastic solid
Puswewala, U.G.A. and Rajapakse, R.K.N.D. , “International Journal of Engineering Science” , pp. 419-436