ASSESSMENT OF SHEAR STRENGTH PARAMETERS OF MARINE DREDGE SAND P.G.G.M. Ranbandara1*, A.M.R.G. Athapaththu1, R.U. Thilakarathne1, L.C. Kurukulasuriya1, B.P. Gonaduwage2 COLLAPSIBILITY CHARACTERISTICS OF A RESIDUAL SOIL IN MATALE DISTRICT, SRI LANKA C.J. De Zoysa, A.K.T. Dushan, L.C. Kurukulasuriya * HYDRAULIC CHARACTERISTICS OF BALLAST SUBJECTED TO PARTICLE DEGRADATION AND MUD PUMPING K.D.K. Rupasinghe1*, L.A.R.L. Weerarathne2, L.C. Kurukulasuriya2 HYDRAULIC CHARACTERISTICS OF BALLAST SUBJECTED TO PARTICLE DEGRADATION AND MUD PUMPING H.G.S. Mayuranga1*, S.K. Navaratnarajah 1, M.M.N. Gimhani 1, and J.M.M.Y. Karunarathne 1 A LABORATORY INVESTIGATION ON THE ADVANCEMENT OF RAILWAY BALLAST BEHAVIOR USING ARTIFICIAL INCLUSIONS S. Venuja1*, S. K. Navaratnarajah1, T. H. V. P. Wickramasinghe1, and D. S. A. Wanigasekara NUMERICAL MODELING OF THE EFFECT OF FINE MATERIALS ON SHEAR BEHAVIOR OF FOULED RAILWAY BALLAST R. M. D. L. Rathnayake1*, S. K. Navaratnarajah1, M. Daxsan1, H. K. K. A. Jayasekara1 POTENTIAL OF WASTE RICE HUSK ASH TO REDUCE PROPAGATION OF GROUND VIBRATION FROM IMPACT PILING: CHARACTERISTICS OF IN-FILLED TRENCHES G.H.M.J. Subashi De Silva *, S. Thoradeniya1, K.M.G.C.J Thilakasiri INVESTIGATION OF COLLOIDAL TRANSPORT IN SATURATED POROUS MEDIA: EXPERIMENTAL AND NUMERICAL STUDY B.G.C. Bombuwala1, A.M.E. Karunarathna 1, B. Banithy2, T.K.K.C. Deepagoda 3* UTILIZATION OF BOTTOM ASH FOR CLAY MINE REHABILITATION S.Suloshini 1*, A.S. Ranathunga1, S.A.S. Kulathilaka1, W.B Gunawardana1, M.M.S.T.M. Mapa1 GREEN TECHNOLOGY AND DISASTER RESILIENCEA STUDY ON CLIMATE CHANGE IMPACT ON COOLING ENERGY DEMAND PATTERNS FOR AN EXISTING OFFICE BUILDING S. V. I. R. V. Serasinghe, M. A. Wijewardane, I. D. Nissanka A CASE STUDY ON TEMPORAL VARIATIONS OF THE PAVEMENT THERMAL PERFORMANCE BASED ON SURFACE TEXTURE FOR URBAN AREAS IN SRI LANKA Seneviratne D.M1, Jayasooriya V, M1* DISCHARGE DATA ASSIMILATION TO IMPROVE FLOOD PREDICTION SKILLS IN SRI LANKA W. H. M. Y. D. Bandara1*, K. H. S. Dinelka1 and N. G. P. B. Neluwala1 A DEVICE TO DETERMINE THE PANEL ORIENTATION FOR BEST ANNUAL SOLAR ENERGY GENERATION AT A SELECTED LOCATION S.U.M. Jagoda1*, W.M.C. Dilanga1, D.S.D.S Jarathne1, H.K.G.Punchihewa1, V.P.C. Dassanayake1, H.P. Karunathilake1
