PUBLICATIONS

  • Nawagamuwa UP, Senanayake A, Rathnaweera TD (2013), Utilization of waste copper slag as a substitute for sand in vertical sand drains and sand piles. Proc. 18th ICSMGE.
  • Kumarasiri HC, De Silva LIN, Abayakoon SBS (2011), Liquefaction Potential in Sri Lanka - Preparing A Liquefaction Hazard Map Using Geotechnical Investigation Data, Proceedings of Annual Transactions IESL, Volume 1, Part B, pp. 110-117
  • Premkumar S, De Silva LIN (2011), Evaluation of Liquefaction Potential of Western and Eastern Coastal Areas in Sri Lanka, Proceedings of IESL-SSMS Joint International Symposium on Social Management Systems, Colombo, Sri Lanka, September 14 – 16, pp. 703-709.
  • Saputhantiri DR, Kulathilaka SAS (2011), Enhancement of Engineering Characteristics of Peaty Clay due to Mixing with Cement, Annual Transactions of Institute of Engineers, Sri Lanka, pp118-126.
  • De Silva LIN, Premkumar S, Sujeevan N, Nainanayaka NPARK (2010), Liquefaction Potential of Sand Deposits in Sri Lanka, Proceedings of 16th ERU Symposium, Sri Lanka, pp. 15 -17.
  • Nawagamuwa UP, Senanayake AIMJ, Silva SA (2010), The Curious case of the Khettarama Pitch, Engineer, Journal of the Institution of Engineers Sri Lanka, Vol XXXXIII, No 04.
  • Nawagamuwa UP, Kumara GHAJJ (2010), Utilization of coir dust to partially replace sand in vertical drains for soft ground improvement, Proceedings of the International Conference on Sustainable Built Environments 2010, Volume 2, Kandy, 13-1`4 Dec 2010
  • Kulathilaka SAS (2009), Improvement of soft Peaty Clay with Different Configurations of Geosynthetic Electrodes, 17th International Conference in Soil Mechanics and Geotechnical Engineering, Alexandria, Egypt, pp 2413-2416.
  • Nawagamuwa UP, Senanayake AIMJ, Silva SA, Sanjeewa DMI (2009), Improvement of local soils in order to make “Fast & Bouncy” cricket pitches, Engineer, Journal of the Institution of Engineers Sri Lanka, Vol XXXXII, No 04.
  • Nawagamuwa UP, Senanayake AIMJ, Silva, SA, Sanjeewa DMI (2009), Faster and bouncier cricket pitches using locally available clays, Sustainable Infrastructure development in Asia, Proceedings of the International Exchange Symposium, University of Ruhuna, Galle, Sri Lanka, 14-15th Sep 2009.
  • Kumara GHAJJ, Nawagamuwa UP (2008), Application of Coir dusts in vertical drains for improvement of soft clay, 2nd International Symposium, Sabaragamuwa University of Sri Lanka, 8th-12th July 2008.
  • De Silva LIN, Sato T, Kiyota T, Honda T, Koseki J (2007), Use of electronic balance in measurement of small volumetric strain of hollow cylinder sand specimens, Proc. of the 9th International Summer Symposium, JSCE, Yokohama, Japan, pp. 167-170.
  • Kulathilaka SAS (2007), Improvement of Extremely Soft Sri Lankan Peaty Clays by Pre-Loading, Deep Mixing and Electro Osmosis, Sri Lankan Geotechnical Society’s First International Conference on Soil and Rock Engineering, Sri Lanka.
  • Karunawardena WA, Oka F, Kimoto S, Kulathilaka SAS (2007), Prediction of Consolidation Behavior of Sri Lankan Peaty Clay Using Elasto-Viscoplastic Theory, Sri Lankan Geotechnical Society’s First International Conference on Soil and Rock Engineering, Sri Lanka.
  • Kulathilaka SAS (2007), Electro Osmotic Consolidation of Soft Peaty Clays with Electro Kinetic Geosynthetics,13th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Kolkata, India, pp 829-832.
  • Nawagamuwa UP, Imai G (2007), Proposal of a new concept for the vertical drain design considering the effects of intermediate permeable layers and smear, Soils and Foundations, Vol.47, No.3
  • Nawagamuwa UP, Imai G (2007), New design concept considering the Effect of smear and intermediate permeable layers on the consolidation of clayey subsoil with vertical drains, 13th ARC2007
  • De Silva LIN, Koseki J, Sato T. (2006), Effects of different pluviation techniques on deformation property of hollow cylinder sand specimens, Proc. of the International Symposium on Geomechanics and Geotechnics of Particulate Media, Taylor & Francis Group, ISBN 0-415-41097-5, Ube, Yamaguchi, Japan, pp. 29-33.
  • Kulathilaka SAS (2006), Improvement of Soft Peaty Clays by Electro Osmosis with Electro Kinetic Geosynthetics, Sri Lankan Geotechnical Conference on Geotechnical Engineering Under Difficult Ground Conditions, Sri Lanka.
  • Kulathilaka SAS, Sagarika DKNS (2006), A Laboratory Simulation of Electro Osmotic Consolidation of Very Soft Peaty, 100th Annual Sessions of the Institute of Engineers, Sri Lanka.
  • Kulathilaka SAS (2006), Evaluation of Electro Kinetic Properties of Sri Lankan Peaty Clays, ERU symposium of University of Moratuwa.
  • Nawagamuwa UP (2006), Cavity Expansion Analysis for Sand Compaction Piles, Geotechnical Journal, Sri Lankan Geotechnical Society, Vol.3, No.1
  • Nawagamuwa UP (2006), Effects Intermediate Permeable Layers on the Consolidation of Soft Clays with Prefabricated Vertical Drains, SLGS Conference on Geotechnical Engineering under Difficult Ground Conditions, Colombo, Sri Lanka, 15th August 2006
  • Imai G, Nawagamuwa UP (2005), Consolidation of clayey sub soils with intermediate permeable layers improved by vertical drains with smear effect, Journal of Lowland Technology International, Vol.7, No.2
  • Nawagamuwa UP, Imai G (2005), Combinational effect of intermediate permeable layers and smear in the grounds improved with vertical drains, 6th International Conference on Ground Improvement Techniques (GI05), Coimbra, Portugal, 17-19th July 2005
  • Nawagamuwa UP, Imai G (2005), Effect of smear and intermediate permeable layers on the consolidation of clayey sub soil using vertical drains, 7th International Summer Symposium, JSCE, Tokyo, Japan, 30th July 2005
  • Nawagamuwa UP, Imai G (2005), New design concept for vertical drains considering intermediate permeable layers with smear effect, 3rd Young Geotechnical Engineers’ Conference, iYGEC, Osaka, Japan, 12th-16th September 2005
  • Nawagamuwa UP, Imai G (2005), Effects of Intermediate permeable layers on consolidation with vertical drains considering variable permeability and compressibility, 40th Japan-National Conference on Geotechnical Engineering, Hakodate, Japan, 4-6th July 2005
  • Kulathilaka SAS, Muhunthan A (2004), Construction of Embankments on Soft Peaty Clays with Lightweight Fill Materials, 98th Annual Sessions of the Institute of Engineers, Sri Lanka.
  • Kulathilaka SAS, Sagarika DKNS, Perera HAC (2004), Parameters Affecting the Electro – Osmotic Consolidation of Peaty Clays, 98th Annual Sessions of the Institute of Engineers, Sri Lanka.
  • Muhunthan A, Kulathilaka SAS (2004), Engineering properties of Tyre Chips and Sri Lankan Lateritic Soil Mixture as a Lightweight fill Material, 98th Annual Sessions of the Institute of Engineers, Sri Lanka.
  • Kulathilaka SAS, Muhunthan A (2004), Construction of Embankments on Soft Peaty Clays with Lightweight Fill Materials, 98th Annual Sessions of the Institute of Engineers, Sri Lanka.
  • Nawagamuwa UP, Imai, G (2004), Study of the effect of intermediate sand layers on consolidation with vertical drains, IS Osaka 2004, International Symposium on Engineering Practice and Performance on Soft Deposits, Osaka, June 2-4 2004
  • Nawagamuwa UP, Imai G (2004), Influential factors of intermediate sand layers for consolidation of clayey sub-soil with vertical drains, 57th Canadian Geotechnical Conference, Quebec, Canada, 24-27th October 2004
  • Nawagamuwa UP, Imai G (2004), Influence of Intermediate sand layers on consolidation with vertical drains, 39th Japan-National Conference on Geotechnical Engineering, Niigata, Japan, 7-9th July 2004
  • Kulathilaka SAS (2003), Use of Electro-Osmosis Technique for the Improvement of in Sri Lanka, An Invited Paper published at the Symposium on Advances in Geotechnical Engineering held at Indian Institute of Technology, Kanpur, India, pp 183-193.
  • Karunawardana WA, Kulathilaka SAS (2003), Field Monitoring of a Fill on Peaty Clay and its Monitoring, 12th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Singapore, pp 159-162.
  • Munasinghe WGS, Kulathilaka SAS (2003), Modelling the Consolidation behaviour of Peat and Improvements, 12th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, Singapore, pp 175 -178.
  • Kulathilaka SAS, Muhunthan A (2003), Use of Light weight Fill in Constructions on Soft Peaty Clays, 97th Annual Sessions of the Institute of Engineers, Sri Lanka, pp 93 - 101.
  • Kulathilaka SAS, Sagarika DKNS (2003), Compressibility Characteristics of Electrically Treated Peaty Clays, ERU symposium at University of Moratuwa.
  • Kugan R, Puswewala UGA, Kulathilaka SAS, Peiris TA (2003), Peaty Clay Improvement With Prefabricated Vertical Drains, 97th Annual Sessions of the Institute of Engineers, Sri Lanka.
  • Kugan R, Puswewala UGA, Kulathilaka SAS, Peiris TA (2003), Consolidation Testing of Peaty Clay, ERU symposium at University of Moratuwa.
  • Nawagamuwa UP, Takemura J, Priyankara NH (2003), Cavity Expansion Analysis to Evaluate Mechanical Properties of Sand Compaction Piles, The Fifth International Summer Symposium, Japan Society of Civil Engineers (JSCE), Tokyo, 26th July 2003
  • Takemura J, Nawagamuwa UP, Priyankara NH (2003), Numerical and Laboratory Studies of Cavity Expansion Analysis using Cone Penetration Resistance, International Workshop on Prediction and Simulation Methods in Geomechanics, Athens, Greece, 14-15th October 2003.
  • Nawagamuwa UP (2003), Cavity Expansion Analysis for Sand Compaction Piles, 38th Japan-National Conference on Geotechnical Engineering, Japan, 2-4th July 2003
  • Kugan R, Puswewala UGA, Kulathilaka SAS, Peiris TA (2003), Peaty Clay Improvement with Pre-fabricated Vertical Drains, Transactions 2003, The Institution of Engineers Sri Lanka, Vol. 1, Part B, pp. 69-76.
  • Kugan R, Puswewala UGA, Kulathilaka SAS, Peiris TA (2003), Consolidation Testing of Peaty Clay , 9th Annual Symposium, ERU, University of Moratuwa.
  • Munasinghe WGS, Kulathilaka SAS (2002), Modelling the Consolidation Behaviour of Peat and Improvements, the Proceedings of the Conference on Ground Improvement Techniques –Organised by the Sri Lankan Geotechnical Society, Sri Lanka, pp 1-10.
  • Karunawardana WA, Kulathilaka SAS (2002), Improvement of Engineering Properties of Peat by Preconsolidation - A Comparison of Field and Laboratory test Results, the Proceedings of the Conference on Ground Improvement Techniques Organised by the Sri Lankan Geotechnical Society, Sri Lanka, pp11-20.
  • Kulathilaka SAS (2002), Overcoming Problems due to Peaty Clays in Sri Lanka, An Invited Paper published and presented at the Indian Geotechnical Conference, Allahabad, India, pp 830-839.
  • Kulathilaka SAS, Munasinghe WGS (2001), Improvement of Engineering Properties of Peat by Cement and Lime mixing, the Proceedings of the Engineering Research Unit Symposium at University of Moratuwa.
  • Kulathilaka SAS (1999), Improvement of Engineering Properties of Peat by Pre consolidation, the proceedings of the Asian Regional Conference of International Society of Soil Mechanics and Geotechnical Engineering, South Korea, pp 97-100.

 

 

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