- Faculty of Engineering
- Department of Civil Engineering
- Senior Professor
Contact information
Department of Civil Engineering
Faculty of Engineering
University of Moratuwa
Moratuwa
10400
Teaching and Administrative Activities
Soil Mechanics & Geology I -Undergraduate -2015
Geotechnical Engineering -Undergraduate -2015
Geotechnical Design -Undergraduate -2015
Geotechnical Investgations -Postgraduate -2014
Earth Retaining SystemsGeotechnical Investgations -Postgraduate -2014
Head- Department of Civil Engineering - (2019 To 2021)
Research Activities
Internally Stabilized Earth Retaining Structures
Finite Element Analysis of Earth Retaining Structures
Slope Stability Analysis and Stabilization of Slopes
Rain Induced Landslides
Characteristics of Unsaturated Soils
Ground Improvement Techniques
Education and Professional Affiliations
PhD, Monash University ,1990 Finite Element Analysis of Earth Retaining Structures
Institution of Engineers Sri lanka(2004 To date)
President- Sri Lankan Geotechnical Society(2010 To date)
Member- International Society of Soil Mechanics and Geotechnical Engineering(1992 To date)
Career
Honours and Awards
Publications*
Lilanka Kankanamge, Kulathilaka S. A. S., Manasi Wijerathna,,".Effectiveness of radial sub-horizontal drainage in improving the landslide stability: A case study on central highlands, Sri Lanka,.",20th International Conference on Soil Mechanics and Geotechnical Engineering, Sydney, Australia in May2022,Sydney, Australia ,2022,
Aloka Rathnayaka, Kulathilaka S. A. S., Prsanna Ragawan,"., Effect of Dynamic Compaction on the Compressibility Characteristics of Municipal Solid Waste, Under the Saturated and Unsaturated Conditions,.",MERCon2022, Moratuwa University Research Conference,,Moratuwa University Virtual Conference,2022,
Prsanna Ragawan, Kulathilaka S. A. S., Aloka Rathnayaka,".Use of The Concept of Capillary Barriers to Optimize the Support Systems of Deep Vertical Excavations in Unsaturated Soils.",MERCon2022, Moratuwa University Research Conferenc,Moratuwa University Virtual Conference,2022,
• Havisanth E,".Study on Effectiveness of Capillary Barrier in Reduction of Rainfall Infiltration on a 150 Slope .",MERCon 2021,University of Moratuwa,2021,
• S.H.S. Jayakody,, P.R.C. Ariyarathne, W.A. Karunawardena,".Cut Slope Mitigation works at Ch 19+000 Extension of Southern Expressway Project .",IESL Annual Sessions 2021,Colombo,2021,
Lilanka Kankanamge, Kulathilaka S. A. S., Ganepola G. A. C., Nawagamuwa U. P.,".Improving the performance of Badulusirigama Landslide using subsurface drains: A numerical study,.",International Conference of the SLGS held virtually in Colombo on 6-7 Dec 2021,Colombo Sri Lanka,2021,385-390
Mihira Lakruwan S.O.A.D., Kulathilaka S. A. S.,".Evaluation of the Performance of Landslide Mitigation Measures at Ginigahthena.",Published at the ICGEColombo2020, International Conference of the SLGS ,Colombo Sri Lanka,2021,459-464
• Jayakody S.H.S., Kulathilaka S. A. S., Nawagamuwa U. P.,".Large Scale In-Situ direct shear testing on Waste Material at Meethotamulla Open Dump Site.",International Conference of the SLGS held virtually in Colombo on 6-7 Dec 2021,Colombo Sri Lanka,2021,307-312
• Galhena G.D.W.N., Kulathilaka S. A. S., Nawagamuwa U. P.,".Compressibility characteristics of solid waste in Meethotamulla waste site.",International Conference of the SLGS held virtually in Colombo on 6-7 Dec 2021,Colombo Sri Lanka,2021,291-296
Kumarage B.I., Kulathilaka S.A.S., ,".A study of applicability of different facing types in soil nailing.",International Conference of the SLGS held virtually in Colombo on 6-7 Dec 2021,Colombo Sri Lanka,2021,395-400
Rathnayaka R.I.A., Kulathilaka S.A.S,".Improvement of compressibility characteristics of waste material by dynamic compaction.",Published at the ICGEColombo2020, International Conference of the SLGS ,Colombo Sri Lanka,2021,343-348
Mihira Lakruwan S O A D , Kulathilaka S A S ,".Economizing soil nailing design by drainage improvement- case history at Ginigathhena,.",World Landslide Forum, Kyoto Japan held in 2021,Kyoto Japan,2021,331-339
D.R.I.S. Dasanayake and S.A.S. Kulathilaka,".Reduction of Secondary Consolidation of Peaty Clay Due to Preloading with Extended Periods.",IESL YOUNG MEMBERS’ TECHNICAL CONFERENCE,Colombo,2020,24-29
Rajeevkaran P and Kulathilaka S A S,".Pullout Resistance of Soil Nails in Unsaturated Residual Soils.",16th Asian Regional Conference of ISSMGE ,Taiwan,2019,
Kankanamge, L., Kulathilaka, SAS., Karunarathna, SWBS., Karunawardena, WA., Bandara, KN.,".Rainfall Induced Shallow Landslides in Sri Lanka: Development of Rainfall Thresholds Using the Fundamentals of Unsaturated Soil Mechanics.",Proceedings of 10th Annual NBRO international research symposium, Equitable Resilience,Colombo, Sri Lanka,2019,173-184
Dilanthi H P W, Kulathilaka S A S and Vasanthan N,".Shear strength and Permeability Characteristics of some Sri Lankan Residual soils.",UNSAT2018 ,Hong Kong,2018,
Rajeevkaran P, Kulathilaka S A S,".Influence of Matric Suction on Pullout Resistance of Soil Nail.",Annual Sessions of the Institution of Engineers Sri Lanka,Colombo, Sri Lanka,2018,
Jayakody S H S, Galhena G D W N, Karunawardena A W and Kulathilaka S A ,".Stability Analysis of the Failure at Meethotamulla Waste Fill.",Annual Sessions of the Institution of Engineers Sri Lanka,Colombo, Sri Lanka,2018,
Kankanamge, L., Rajamanthri, K., Kulathilaka, SAS., Dissanayaka, DMDS,".Analysis of a Slope Triggered by Rainfall Infiltration: A Case Study on Ihalakotte Earth slip.",Proceedings of 09th Annual NBRO international research symposium, Innovations for build back better,Colombo, Sri Lanka,2018,
Vasanthan, N. and Kulathilaka, S.A.S,".Establishment of Shear Strength Characteristics of Some Unsaturated Sri Lankan Residual Soils .",7th Annual NBRO Symposium, Innovations for Resilient Environment,Colombo, Sri Lanka,2016,
G.K.G.M.Karunasena and S A S Kulathilaka, ,".of Permeability Characteristics and SWCC of an Unsaturated Residual Soils in Sri Lanka.",Civil Engineering Research Symposium,Moratuwa, Sri Lanka,2016,
W. L. D. H. A. Perera and S A S Kulathilaka,".Comparison of Design of Stone Columns by Limit Equilibrium and Finite Element Methods.",Civil Engineering Research Symposium ,Moratuwa, Sri Lanka,2016,
Kulathilaka S A S,".Experiences on Improvement of Soft Peaty Clays in Sri Lanka.",Research Symposium at University of Ruhuna,Galle, Sri Lanka,2015,
Dharmasena R. K. N.and Kulathilaka S. A. S,".Stabilization of Cut Slopes in Highways by Surface drainage and Vegetation.",ICGE,Colombo, Sri Lanka,2015,
Dharmasena U. K. N. P., Bandara K. N., Karunawardena W A and Kulathilaka S. A. ,".Back Analysis and Rectification of a Failed Cut Slope in the Southern Expressway.",ICGE,Colombo, Sri Lanka,2015,
Madhusanka K.A.C. and Kulathilaka S.A.S,".Possible use of Paddy Husk Ash in Improvement of Engineering Characteristics of Peaty Clay.",ICGE,Colombo, Sri Lanka,2015,
Fernando M and Kulathilaka S A S,".Effect of Preloading on Secondary Consolidation of Peaty Clay.",ICGE,Colombo, Sri Lanka,2015,
Kulathilaka S A S,".Cut Slopes in Residual Soils for Highways - Lessons Learnt .",the 16th Conference on Current Researches in Geotechnical Engineering ,Kaohsiung, Taiwan,2015,
Ganeshalingam C and Kulathilaka S. A. S,".Shear Strength Characteristics of Unsaturated Residual Soils.",Civil Engineering Research Symposium (CERS) of Department of Civil Engineering,Moratuwa, Sri Lanka,2015,
Madhuransi L W I and Kulathilaka S A S,".Use of Paddy Husk As a Binder in Improvement of Soft Peary Clay.",Civil Engineering Research Symposium (CERS) of Department of Civil Engineering ,Moratuwa, Sri Lanka,2015,
Vasanthan N, Idirimanna I A N D and Kulathilaka S A S,".Establishment of Fundamental Characteristics of Unsaturated Sri Lankan Residual Soils.",the 6th Annual NBRO Symposium, Innovations for Resilient Environment,Colombo, Sri Lanka,2015,
Kulathilaka S A S and Sujeevan, ,".Effect of Rainfall on Stability of Cut slopes in Residual Soils.",14 th Asian Regional Conference in Soil Mechanics and Geotechnical Engineering,Hong Kong,2011,
Saputhantiri D. R. and Kulathilaka S. A S. , ,".Enhancement of Engineering Characteristics of Peaty Clay due to Mixing With Cement.",The Annual Transactions of IESL ,Colombo, Sri Lanka,2011,
Kulathilaka S. A. S. and Kumara L. M,". Effectiveness of Surface Drainage in Enhancing the Stability of Cut Slopes During Periods of Heavy Rain .", Annual Transactions of IESL,Colombo, Sri Lanka,2011,
Kulathilaka S A S,".Stabilisation of Slopes in Residual Soils.",Conference organized for the 25 th Anniversary of NBRO,Colombo, Sri Lanka,2009,
Kulathilaka S A S ,".Improvement of soft Peaty Clay With Different Configurations Of Geosynthetic Electrodes.",Proceedings of the 17 th International Conference in Soil Mechanics and Geotechnical Engineering,Alexandria, Egypt,2009,
Kulathilaka S A S ,".Slope Failures in Residual Soils.",Sri Lankan Geotechnical Society Annual Conference,Colombo, Sri Lanka,2008,
Kulathilaka S A S,".Improvement of Extremely Soft Sri Lankan Peaty Clays by Pre Loading, Deep Mixing and Electro Osmosis .",Sri Lankan Goetechnical Society’s First International Conference on Soil and Rock Engineering,Colombo, Sri Lanka,2007,
Karunawardena W A, Oka F, Kimoto S and Kulathilaka S A S ,".Prediction of Consoilsdation Behaviour of Sri Lankan Peaty Clay Using Elasto-Viscoplastic Theory .",Sri Lankan Goetechnical Society’s First International Conference on Soil and Rock Engineering,Colombo, Sri Lanka,2007,
Kulathilaka S A S,".Electro Osmotic Consolidation of Soft Peaty Clays with Electro Kinetic Geosynthetics.",the 13 th Asian Regional Conference on Soil Mechanics and Geotechnial Engineering,Kolkatta, India,2007,829-832
Kulathilaka S A S ,".Improvement of Soft Peaty Clays by Electro Osmosis with Electro Kinetic Geosynthetics.",Sri Lankan Geotechnical Conference on Geotechnical Engineering Under Difficult Ground Conditions,Colombo, Sri Lanka,2006,
Kulathilaka S A S and Sagarika D K N S,".A Laboratory Simulation of Electro Osmotic Consolidation of Very Soft Peaty.",the 100 th Annual Sessions of the IESL,Colombo, Sri Lanka,2006,
Kulathilaka S A S ,".Evaluation of Electro Kinetic Properties of Sri Lankan Peaty Clays .",ERU symposium of University of Mortuwa,Moratuwa, Sri Lanka,2006,
Kulathilaka S A S and Muhunthan A ,".Numerical Simulation of the Use of Lightweight Fill in Construction of Embankments on Soft Peaty Clays.",the 16 th International Conference on Soil Mechanics and Geotechnical Engineering,Osaka, Japan,2005,
Kulathilaka S A S and Muhunthan A ,".Construction of Embankments on Soft Peaty Clays with Lightweight Fill Materials .",98 th Annual Sessions of the IESL,Sri Lanka,2004,
Kulathilaka S A S , Sagarika D K N S and Perera H A C ,".Parameters Affecting the Electro – Osmotic Consolidation of Peaty Clays .",98 th Annual Sessions of the IESL,Sri Lanka,2004,
Muhunthan A and Kulathilaka S A S ,".Engineering properties of Tyre Chips and Sri Lankan Lateritic Soil Mixture as a Lightweight fill Material.",ERU symposium at University of Moratuwa ,Sri Lanka,2004,
Kulathilaka S A S ,".Use of Electro-Osmosis Technique for the Improvement of in Sri Lanka .",The Symposium on Advances in Geotechnical Engineering,Kampur, India,2003,183-193
Kulathilaka S A S and, Mettananda D C A ,".Assessment of the Stabilization of Some Sri Lankan Slopes by the Probabilistic Approach.",12 th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering,Singapore,2003,
Karunawardana W A and Kulathilaka S A S ,".Field Monitoring of a Fill on Peaty Clay and its Monitoring.",12 th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering,Singapore,2003,
Munasinghe W G S and Kulathilaka S A S ,".Modelling the Consolidation behaviour of Peat and Improvements.",12 th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering,Singapore,2003,
Kulathilaka S A S and De Silva L I N ,". Optimum Geometric Shapes for Gravity Retaining Structures .",97th Annual Sessions of the IESL ,Sri Lanka,2003,
Kulathilaka S A S and Muhunthan A ,".Use of Light weight Fill in Constructions on Soft Peaty Clays .",97th Annual Sessions of the IESL,Sri Lanka,2003,
Kulathilaka S A S and Sagarika D K N S ,".Compressibility Characteristics of Electrically Treated Peaty Clays.",ERU symposium at University of Moratuwa,Sri Lanka,2003,
Kugan R, Puswewala UGA, Kulathilaka S A S and Peiris T A,".Peaty Clay Improvement With Prefabricated Vertical Drains .",97th Annual Sessions of the IESL,Sri Lanka,2003,
Kugan R, Puswewala UGA, Kulathilaka S A S and Peiris T A,".Consolidation Testing of Peaty Clay.",ERU symposium at University of ,Sri Lanka,2003,
Munasinghe W G S and Kulathilaka S A ,".Modelling the Consolidation Behaviour of Peat and Improvements.",the Proceedings of the Conference on Ground Improvement Techniques,Sri Lanka,2002,
Karunawardana W A and Kulathilaka S A S,".Improvement of Engineering Properties of Peat by Preconsolidation - A Comparison of Field and Laboratory test Results.",Proceedings of the Conference on Ground Improvement Techniques ,Sri Lanka,2002,
Kulathilaka S A S and Mettananda D C A ,".Development of Analytical and Physical Models to Study the Effectiveness of Soil Nailing Technique for the Stabilisation of Slopes in Sri Lanka .",Proceedings of the 3 rd International Conference on “ Landslides Slope Stability and the Safety of Infrastructure” ,Singapore,2002,
Mettananda D C A and Kulathilaka S A S ,".Dependence of Probabilistic Evaluation of Slope Stability on the Deterministic Model .",the Proceedings of the 3 rd International Conference on “ Landslides Slope Stability and the Safety of Infrastructure,Singapore,2002,
Kulathilaka S A S and Mettananda D C ,".Use of Probabilistic Concepts in Slope Engineering.",Proceedings of the Institution of Engineers Sri Lanka ,Sri Lanka,2002,
Kulathilaka S A S and Mettananda D C A ,".Assessment of Slope Stabilization Techniques through Probabilistic Approach.",Proceedings of the Engineering Research Unit Symposium at University of Moratuwa ,Sri Lanka,2002,
Kulathilaka S A S ,".Problems due to Peaty Clays in Sri Lanka .",the Indian Geotechnical Conference ,Allahabad, India,2002,830-839
Kulathilaka S A S ,". Design of Shallow Foundations on Soft Organic Soils and Peat.",Proceedings of the Seminar on Foundation Design organized by Central Province branch of SLGS,Sri Lanka,2001,
Kulathilaka S A S and U P Nawagamuwa ,".Development of Internally Stabilised Earth Retaining Structures with Local Material .",the XVth International Conference in Soil Mechanics and Foundation Engineering,Turkey,2001,1179-1184
Kulathilaka S A S,".A Study on Bamboo Reinforced Earth Retaining Structures.",Proceedings of the Engineering Research Unit Symposium at University of Moratuwa,Sri Lanka,2001,
Kulathilaka S A S and Munasinghe W G S ,".Improvement of Engineering Properties of Peat by Cement and Lime mixing.",Proceedings of the Engineering Research Unit Symposium at University of Moratuwa ,Sri Lanka,2001,
Kulathilaka S A S,".Geotechnical Engineering Education in Sri Lanka .",Proceedings of the First International Conference on Geotechnical Engineering Education and Training,Romania,2000,163-166
Kulathilaka S A S and Nawagamuwa U P ,". Internally Stabilized Earth Retaining Systems With Discarded Tyres .",Proceedings of the Engineering Research Unit Symposium at University of Moratuwa ,Sri Lanka,2000,
Kulathilaka S A S ,".Improvement of Engineering Properties of Peat by Pre consolidation.",Proceedings of the Asian Regional Conference of International Society of Soil Mechanics and Geotechnical Engineering ,South Korea,1999,97-100
Kulathilaka S A S,".Model Studies on Bamboo Reinforced Earth Retaining Structures and Anchored Tyre Earth Retaining Structures .",Proceedings of the Asian Regional Conference of International Society of Soil Mechanics and Geotechnical Engineering,South Korea,1999,
Kulathilaka S A S ,".Design of Earth Retaining Structures According to BS 8002.",Proceedings of the Seminar on Earth Retaining Structures ,Sri Lanka,1999,
Kulathilaka S A S ,".Different forms of Earth Retaining Structures, their mechanisms , Methods of Design and Construction.",Proceedings of the Sri Lankan Geotechnical Society Conference on Earth Retaining Structures ,Sri Lanka,1998,
Kulathilaka S A S ,".Model Studies on Anchored Tyre Earth Retaining Structures and Development of a Design Method .",Proceedings of the Sri Lankan Geotechnical Society Conference on Earth Retaining Structures,Sri Lanka,1998,
Sumanarathna I H D, Mallawarchchi D. P. and Kulathilaka S A S ,". Stabilisation of Slopes by Anchored Tyre Retaining Structures.",XIVth International Conference in Soil Mechanics and Foundation Engineering,Germany,1997,
Kulathilaka S A S ,".Improvement Techniques Applicable to Sri Lanka.",Sri Lankan Geotechnical Society Seminar on Experiences in Techniques of Foundation Treatment and Ground Improvement ,Sri Lanka,1995,
Kulathilaka S A S,". New British Code for Earth Retaining Structures BS 8002. .",Proceedings of the Sri Lankan Geotechnical Society Seminar,Sri Lanka,1995,
Kulathilaka S A S ,".Back Analysis of Backfill Compacted Retaining Wall case Studies.",13th International Conference in Soil Mechanics and Foundation Engineering,New Delhi, India ,1994,
Kulathilaka S A S ,". Interface Testing for the Finite Element Study of Retaining Wall Behaviour.",2nd Young Geotechnical Engineers Conference,Bangkok,1994,
Kulathilaka S A S and Donald I B D,".Stability of Retaining Walls with Compacted Backfills.", Published in the 6th Australia-New Zealand Conference on Geomechanics,Christchurch, New Zealand ,1992,
Kulathilaka S A S and Donald I B D ,".Finite Element Analysis of Embedded Retaining Walls .",7th Conference of the International Association for Computer Methods and Advances in Geomechanics,Cairns, Australia,1991,
Kulathilaka S A S and Donald I B D,".Finite Element Analysis of Compaction Behind Retaining Walls .",9th Asian Regional Conference on Soil Mechanics and Foundation Engineering,Bangkok,1991,
• Vasanthan, N. and Kulathilaka, S.A.S., ,".Properties of an Unsaturated Residual Soil behind a Failed Slope in Sri Lanka.",Geotechnical Journal, Journal of the South East Asian Geotechnical Society, 2020,,2020
Ranjan Kumara W E P and Kulathilaka S A S,".Study of pullout resistance of soil nails in tropical residual soils.",Geotechnical Journal, Journal of the Sri Lankan Geotechnical Society,,2019
Idirimanna I A N D and Kulathilaka S A S,".Back analysis of slope failure at Welipenna, Southern Expressway.",Geotechnical Journal – Journal of the Sri Lankan Geotechnical Society,,2019
Kankanamge, L., Jotisankasa, A., Hunsachainan, N. and Kulathilaka, S A S,".Unsaturated Shear Strength of a Sri Lankan Residual Soil from a Landslide-Prone Slope and its Relationship with Soil–Water Retention Curve.",International Journal of Geosynthetics and Ground Engineering,4,2018
Sujeevan.V, and Kulathilaka .S.A.S,".Rainfall Infiltration Analysis in Unsaturated Residual Soil slopes.",Geotechnical Journal, Journal of the Sri Lankan Geotechnical Society,6,2011
Kulathilaka S A S and Mettananda D C A ,".Use of Soil Nailing Technique for Stabilisation of Slopes .",Geotechnical Journal – Journal of the Sri Lankan Geotechnical Society,,2006
Kulathilaka .S.A.S and Sujeevan V,".Rain Triggered slope Failures in Unsaturated Residual Soil, .",Geotechnical Journal – Journal of the Sri Lankan Geotechnical Society,6,2006
Kulathilaka S A S ,".Application of Finite Element Method to Analyse Retaining Wall Behaviour.",Geotechnical Journal – Journal of the Sri Lankan Geotechnical Society ,,1998
Publications
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