Acadamic Staff Members

 

 Prof. P.B.R. Dissanayake ( Head / Civil Engineering )
 Department of Civil Engineering,
 University of Peradeniya,
 Peradeniya, 20400
,
 Sri Lanka.


Mail to:
ranjith@civil.pdn.ac.lk

Biography :

 

 

 

 

 

 

 

 

Research Publications(Recent)

  • Professor of Civil Engineering, University of Peradeniya, Peradeniya. was a Fulbright Scholar in 2008 Columbia University USA and Endeavour Fellow in 2008 Monash University Australia, JASSO Research Fellowship Ehime University in Japan 2007. Was awarded Young Scientist Award 2007 for Exellence in Scientific Reaserch by National Science and Technology Commission of Sri Lanka and Overseas Prize for the paper published in Institution of Civil Engineers, London, UK, 2007 titled “ Lessons learnt from tsunami damage in Sri Lanka”. He was the Chair of the International Conference on Mitigation of the Risk of Natural Hazards (ICMRNR) of IIIRR in 2007. He was the Co-Chair of the recently held International Conference on Sustainable Built Environmrnt (ICSBE 2010) .

    He was one of Chairs of the International Conference on Structural Engineering, Construction and Management (ICSECM 2011) which will be held on December 2011 at Earl’s Regency Kandy Sri Lanka.www.icsecm.com

Educational Qualifications :

  • 1998 Doctor of Philosophy (Structural Eng.), Ehime University, Matsuyama, Japan
  • 1995 Master of Engineering (Structural Eng.), Ehime University, Matsuyama, Japan
  • 1991 Bachelor of Science (Civil Eng.), University of Peradeniya, Peradeniya, Sri Lanka

Professional Qualifications :

  • Member, Institution of Engineers, Sri Lanka, 2004.
  • Member, the Society of Structural Engineers Sri Lanka (SSE).
  • Member, Green Building Council of Sri Lanka (GBCSL)
  • Follow, the International Institute for infrastructure Renewal and Reconstruction (IIIRR).
  • Chartered Engineer.

Appointments (Selected) :

  • Present : Professor in Civil Engineering, Dept. of Civil Eng., University of Peradeniya, Peradeniya, Sri Lanka.
  • Jun. 1999 – Oct. 2010 : Senior Lecturer in Civil Engineering, Dept. of Civil Eng., University of Peradeniya, Peradeniya, Sri Lanka.
  • June 2003 – Sept. 2003 : Research Fellow, Vanderplaats Research & Development, Colorado, USA.
  • Feb. 2001 – May 2002 : Director, Engineering Design and Consultancy Centre, University of Peradeniya, Peradeniya, Sri Lanka.
  • Mar. 1998 – Aug. 1998 : Research Fellow, University of Ehime, Matsuyama, Japan.

Visiting Appointments:

Memberships:

  • Fellow, the International Institute for infrastructure Renewal and Reconstruction (IIIRR)
  • Member, the Institution of Engineers, Sri Lanka (IESL)
  • Member, the Society of Structural Engineers Sri Lanka (SSE)
  • Member and Director of Green Building Council of Sri Lanka (GBCSL)

Research Interests :

  • Disaster Mitigation; Evaluation and Seismic Retrofitting of Structures.
  • Structural Health Monitoring of Structures.
  • Structural Optimization.
  • Sustainable Built Environment.

Keynote Addresses :

  • SAITEM Research Symposium 2011
  • The 3rd International Conference on Seismic Retrofitting, Tabriz, Iran, 20-22 October 2010
  • Ehime University Research session, Japan in 2007

Invited Lectures :

Other Credentials :

  • Associate Editor for the International Journal of Structural Health Monitoring. (http://shm.sagepub.com/ )
  • Chairman, Lego International (Pvt.) Ltd. Leading Construction and Consultancy Company in Sri Lanka.
  • Chairman. Centre for Sustainable Built Environment (CSBE)
  • Director, Engineering Design and Consultancy Centre (ED&CC)
  • Director, Green Building Council Sri Lanka
  • Chairman, Education and Training of Green Building Council Sri Lanka
  • Awarded Advanced Communicator Bronze (ACB) from Toastmaster International, USA.
  • Overseas Prize for the paper published in ICE (Institution of Civil Engineers, London, UK, 2007 titled “Lessons Learnt from Tsunami Damage in Sri Lanka”.
  • JASSO Research Fellowship in Japan 2007 (Japan Student Service Organization).
  • SD&CC Award-2008, IESL, Paper on “Cost and Reliability Interaction in Bridge Maintenance”, awarded on 17th October, 2008.
  • 2nd Place of Nimal Chandrasena Award-2006, IESL, Paper on “Artificial Neural Networks for Prediction of Service Life of the Masonary Arch Bridges”, awarded on 20th October, 2006.
  • The President’s Research Bonus-1999 for the Authorship of the following citation: Int. J. Num. Methods in Engineering, 45: 195-214, 1999, awarded on 30th June, 2001.
  • President's award for attending research in foreign country in 2003-2004.
  • Received an AusAID Research Grant 2005.
  • E.O.E. Pereira Studentship 1988.
  • Ceylon Oils and Facts Corporation Studentship 1988.
  • University Student Invitation Program 1988.
  • Invited from Osaka Foundation of International Exchange to follow Program for Short-term Overseas Trainees in Architecture and Arts, October 7 to November 5, 1999.







  • P.B.R. Dissanayake, K. Karunananda, “Reliability Index for Structural Health Monitoring of Aging Bridges”, International Journal of Structural Health Monitoring, Vol 7(2), April 2008, pp 175-179.
  • P.B.R. Dissanayake, K.R.B. Herath, S.C. Siriwardane, “ Cyclic Plasticity Based Low- Cycle Fatigue Models for Metal Structure”, Journal of the Institute of Engineers Sri Lanka, Vol XXXX, No 01, January 2007, pp 29 – 43.
  • Kamal Karunananda, Mitao Ohga, Ranjith Dissanayake, Sudath Siriwardane, “A Combined High and Low Cycle Fatigue Model to Estimate Life of Steel Bridges”, Journal of Engineering and Technology Research, 2010, Vol. 2(8), pp. 144-160.
  • S.A.S.C. Siriwardane, M. Ohga, P.B.R. Dissanayake, T. Kaita, “Structural Appraisal-based Different Approach to Estimate the Remaining Fatigue Life of Railway Bridges”, International Journal of Structural Health Monitoring, Vol 9(4), July 2010, pp 323--339.
  • Sudath Siriwardane, Mitao Ohga, Tatsumasa Kaita, Ranjith Dissanayake, “Grain-scale, Plasticity Based Fatigue Model to Estimate Fatigue Life of Steel Bridge Connections”, Journal of Constructional Steel Research, 65(10-11), 2008, pp 1942-1953.
  • Bijan Khazai, Guillermo Franco, J. Carter Ingram, Cristina Rumbaitis del Rio, Priyan Dias, P.B.R. Dissanayake, Ravihansa Chandratilake, S. Jothy Kanna, “Post- December 2004 Tsunami Reconstruction in Sri Lanka and Its Potential Impacts on Future Vulnerability”, The Professional Journal of the Earthquake Engineering Research Institute, pp 829 – 844, 2007.
  • Priyan Dias, P.B.R. Dissanayake, Ravihansa Chandratilake, “Lessons Learned from Tsunami Damage in Sri Lanka”, Proceeding of the Institution of Civil Engineers, May 2006, Vol. 159, pp 74 – 81.
  • P.B.R. Dissanayake, “ Prediction of Structural performance of Bridges under Earthquake Risk”, Proceeding of conference on A Dynamic Approach to the Mitigation of Natural Disasters, University of Calgary, April 2008.
  • S. C. Siriwardane, M. Ohga, P.B.R. Dissanayake, K. Taniwaki “Different Approaches for Remaining Fatigue Life Estimation of Critical Members In Railway Bridges”, International Journal of Steel Structures, 7(4), 2007, pp 263-276.
  • S. C. Siriwardane, M. Ohga, P.B.R. Dissanayake, K. Taniwaki “ Application of New Damage Indicator-based Sequential Law for Remaining Fatigue Life Estimation of Railway Bridges”, Journal of Constructional Steel Research, 64(2), 2008, pp 228-237.
  • P.B.R. Dissanayake, P.A.K. Karunananda, “Cost and Reliability Interaction in Bridge Maintenance”, Journal of the Institute of Engineers Sri Lanka, 2007, pages 9.
  • P.B.R. Dissanayake, P.A.K. Karunananda, “Remaining Service Life Prediction of Reverted Wrought Iron Railway Bridges using Reliability Approach”, Journal of the National Science Foundation of Sri Lanka, 36(2), 2008, pp 151-156.
  • P.B.R. Dissanayake, S. B. Narasinghe, “Service Life Prediction of Masonry Arch Bridges Using Artificial Natural Networks” Journal of the Institute of Engineers Sri Lanka, 2007, 5 pages.
  • P.B.R. Dissanayake “Forensic Investigation on Design and Construction Failures”, Journal of the Institute of Engineers Sri Lanka, 2007, XXXX, No 02, April 2007, pp 07 – 12.
  • P.B.R. Dissanayake, S. Jothy Kannan, “Optimum Design of Prestressed Concrete Beam”, Journal of the Institute of Engineers Sri Lanka, 2007, XXXX, No 02, April 2007, pp 29 – 32.
  • S. Ohkubo, P.B.R. Dissanayake, Multicriteria Fuzzy Optimization of Structural Systems”, International Journal for Numerical Methods in Engineering, John Wiley & Sons, 45, pp.195-214, 1999.
  • S. Ohkubo, P.B.R. Dissanayake, K. Taniwaki, “An approach to multicriteria fuzzy optimization of a prestressed concrete bridge system considering cost and aesthetic feeling” International Journal of Structural Optimization, Springer – Verlag, 8 pages, International Society for Structural and Multidisciplinary Optimization (ISSMO), Vol. 15, No. 2, April 1998, pp 132 – 140.
  • S. Ohkubo, P.B.R. Dissanayake, Fuzzy Optimization of a prestressed concrete bridge system considering cost, aesthetic and seismic safety, Journal of Structural Engineering, JSCE, Vol. 44A, 1998, pp.487-495.
  • S. Ohkubo, K. Taniwaki, P.B.R. Dissanayake, A study on optimal design of prestressed concrete continuous beams, Memories of Faculty of Eng. Ehime University, Vol. XV, 1996,pp.171-183.
  • K. Karunananda, M. Ohga, P.B.R. Dissanayake, Effect of high amplitude loading on fatigue life prediction of steel bridges, The Twelfth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-12), Hong Kong, 26-28 Jan. 2011.
  • M. Ohga, K. Karunananda, P.B.R. Dissanayake, S. Siriwardane, Combined high and low cycle fatigue model for prediction of steel bridge lives, International Conference on Sustainable Built Environment, Kandy, Sri Lanka, 12-14 December 2010.
  • M. Ohga, K. Karunananda, P.B.R. Dissanayake, A.M.N.D. Adasooriya, Fatigue life prediction of bridges considering the effect of multiaxial stresses, International Conference on Sustainable Built Environment, Kandy, Sri Lanka, 12-14 December 2010.
  • M. Ohga, J.M.R.S. Appuhamy, T. Kaita, K. Fujii and P.B.R. Dissanayake, Evaluation of Tensile Strength Deterioration of Steel Bridge Plates due to Corrosion, International Conference on Sustainable Built Environment, Kandy, Sri Lanka, 12-14 December 2010.
  • M. Ohga, J.M.R.S. Appuhamy, T. Kaita, K. Fujii and P.B.R. Dissanayake, Numerical Study on Remaining Strength Prediction of Corroded Steel Bridge Plates, International Conference on Sustainable Built Environment, Kandy, Sri Lanka, 12-14 December 2010.
  • P.A.K. Karunananda, M. Ohga, P.B.R. Dissanayake, S.A.S.C. Siriwardane, Fatigue life estimation of bridges considering the interaction of high and low amplitude, loadings, Annual Research Journal of Sri Lankan Student Association in Japan, Tokyo, 16 November 2010.
  • J.M.R.S. Appuhamy, T. Kaita, M. Ohga, K. Fujii and P.B.R. Dissanayake, Numerical Investigation of Corrosion Effects on Ductile Fracture and Ultimate Strength, Annual Research Journal of Sri Lankan Student Association in Japan, Tokyo, 13 November 2010.
  • P.A.K. Karunananda, M. Ohga, P.B.R. Dissanayake, S.A.S.C. Siriwardane, Fatigue model to predict remaining life of steel bridges considering the effect of earthquakes, Pacific Structural Steel Conference 2010, China, 19-22 October 2010, pp. 1003-1010.
  • Kamal Karunananda, Mitao Ohga, Ranjith Dissanayake, Kazuhiro Taniwaki, Fatigue life prediction of bridges under extreme loading, International Symposium on Society for Social Management Systems 2010 (SSMS2010), Kochi, Japan, March 5-8, 2010.
  • J.M.R.S. Appuhamy, T. Kaita, M. Ohga, K. Fujii and P.B.R. Dissanayake, Experimental and Numerical Investigation of Residual Strength of Corroded Steel Plates in Tensile Force, International Symposium on Society for Social Management Systems 2010 (SSMS2010), Kochi, Japan, March 5-8, 2010.
  • P.B.R. Dissanayake, K. Karunananda, Fatigue analysis of steel bridges using interval reliability, Proceedings of the University Research Sessions, University of Peradeniya, Peradeniya, 03 December 2009.
  • Sudath Chaminda Siriwardane, Mitao Ohga, Ranjith Dissanayake, Tatsumasa Kaita, A Simplified Method to Predict the Ultra-low Cycle Fatigue Failure of Metal Structures, 5th International Symposium on Steel Structures, Seoul, Korea, ISSS’09, March 12-13, 2009.
  • Kamal Karunananda, Mitao Ohga, Ranjith Dissanayake, Kazuhiro Taniwaki, Safety Assessment of Steel Truss Bridges Under Corrosion Attack
    5th International Symposium on Steel Structures, Seoul, Korea, ISSS’09, March 12-13, 2009.
  • Sudath Chaminda Siriwardane, Mitao Ohga, Ranjith Dissanayake, Tatsumasa Kaita, Remaining Service Life based Maintenance Strategy for Railway Bridges, International symposium on society for social management systems 2009 (SSMS2009), Kochi, Japan, March 5-8, 2009.
  • Mitao Ohga, Kamal Karunananda, Ranjith Dissanayake, Kazuhiro Taniwaki, Maintenance Management of Multispan Masonry Arch Bridges by Reliability Concept, International symposium on society for social management systems 2009 (SSMS2009), Kochi, Japan, March 5-8, 2009.
  • J.M.R.S. Appuhamy, M. Ohga, T. Kaita, S. Tinti, P.B.R. Dissanayake, Importance of Numerical Modeling in Tsunami Disaster Prevention, International symposium on society for social management systems 2009 (SSMS2009), Kochi, Japan, March 5-8, 2009.
  • J.M.R.S. Appuhamy, T. Kaita, M. Ohga and P.B.R. Dissanayake, A Simple and Comprehensive Estimating Method of Remaining Tensile Strength of Corroded Steel Bridge Plates, Annual Research Journal of Sri Lankan Student Association in Japan, Tokyo, 08 November 2009.
  • M. Ohga, S.C. Siriwardane, R. Dissanayake, T. Kaita, Remaining Fatigue Life estimation of a Riveted Bridge Connection Using the News Damage Indicator-based Sequential Law, The Eleventh East Asia - Pacific Conference on Structural Engineering and Construction (EASEC-11), Taipei, Taiwan, 19 - 21 November 2008.
  • Mitao Ohga, Kamal Karunananda, Ranjith Dissanayake, Kaita Tatsumasa, Safety Assessment of Reinforced Concrete Bridges under Corrosion Attack, The Eleventh East Asia - Pacific Conference on Structural Engineering and Construction (EASEC-11), Taipei, Taiwan, 19 - 21 November 2008.
  • S.A.S.C. Siriwardane, M. Ohga, T. Kaita, P.B.R. Dissanayake, Mesoscopic Plastic Strain Based New Fatigue Model and Its Application to a Riveted bridge Connection, International conference on continuum mechanics, nanoscience and nanotechnology, Peradeniya, Sri Lanka, 26-28 September 2008.
  • A.M.N.D. Adasooriya, S.A.S.C. Siriwardane, M. Ohga, T. Kaita, P.B.R. Dissanayake, A Simplified Fracture Initiation Criterion for Ultra-Low Cycle Fatigue, International conference on continuum mechanics, nanoscience and nanotechnology, Peradeniya, Sri Lanka, 26-28 September 2008.
  • Mitao Ohga, Kamal Karunananda, Ranjith Dissanayake, Kaita Tatsumasa, Application of Interval Reliability in Bridge Assessment, International conference on continuum mechanics, nanoscience and nanotechnology, Peradeniya, Sri Lanka, 26-28 September 2008.
  • J.M.Ruwan S. Appuhamy, M. Ohga, S. Tinti and P.B.R. Dissanayake, Numerical Modeling of December 2004 Sumatra-Andaman Tsunami and Possible Future Tsunamis, Annual Research Journal of Sri Lankan Student Association in Japan, Tokyo, 16 November 2008.
  • P.B.R. Dissanayake, Mitao Ohga, P.A.K. Karunananda, Reliability Based Bridge Path Evaluation, Third Asian-Pacific Congress on Computational Mechanics (APCOM’07), December 2007, Kyoto, Japan, pp 271.
  • P.B.R. Dissanayake, P.A.K. Karunananda, “A Study of Road Infrastructure Damage in Eastern Province of Sri Lanka by Tsunami Disaster” The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 6, 2007, Peradeniya, Sri Lanka.
  • W.A.G.C.Weerasooriya, P.B.R. Dissanayake, “Structural Performance Under Tsunami Forces” The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 10, 2007, Peradeniya, Sri Lanka.
  • A. Bandara, P.B.R. Dissanayake, “Condition Evaluation of Bridge for Potential Earthquake Risk” The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 44, 2007, Peradeniya, Sri Lanka.
  • P.B.R. Dissanayake, M. Ohga, K. Taniwaki, S.C. Siriwardane, “A Study on Earthquake Induced Ultra-Low Cycle Fatigue Failure of Steel Structures” The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 48, 2007, Peradeniya, Sri Lanka.
  • S.A.D.N. Senavirathne, S.N.C.M. Dias, B.F.A. Basnayake, K.S.P. Amaratunga, P.B.R. Dissanayake, “Evaluation of Alternate Fibres to Asbastos for Reinforcing Roofing and Ceiling Sheets” The proceedings of the International Conference on Mitigation of the Risk of Natural Hazards, 59, 2007, Peradeniya, Sri Lanka.
  • Mitao Ohga, S.A.C.S. Siriwardane, P.B.R. Dissanayake, K. Taniwaki, “A method for remaining fatigue life estimation of existing riveted railway bridges”, The proceedings of the International Conference on Computational Method (ICCM2007), Computational Method, 216, Springer, 2007, Hiroshima, Japan.
  • P.B.R. Dissanayake, “Maintenance Planning of Bridges”, The proceedings of the International Conference on Computational Method (ICCM2007), Computational Method, 212, Springer, 2007, Hiroshima, Japan.
  • Mitao Ohga, P.B.R. Dissanayake, P.A.K. Karunananda, “Reliability Based Bridge Network Evaluation”, The proceedings of the International Conference on Computational Method (ICCM2007), Computational Method, 213, Springer, 2007, Hiroshima, Japan.
  • Mitao Ohga, I.M.S.W. Kumara, P.B.R. Dissanayake, K. Taniwaki, P.A.K. Karunananda, “A Reliability Approach in Condition Assessment of I Girder Concrete Bridges”, The proceedings of the International Conference on Computational Method (ICCM2007), Computational Method, 214, Springer, 2007, Hiroshima, Japan
  • P.B.R. Dissanayake, P.A.K. Karunananda, Mitao Ohga, “Remaining Service Prediction of Rivetd Wrought Iron Bridge Using System Reliability Approach” The proceedings of the fourth International Symposium on Steel Structures (ISSC-06), 669-676, 2006, Seoul, Korea.
  • S.A S. C. Siriwardane, Mitao Ohga, P.B.R. Dissanayake, “Comparative Study for Remaining Fatigue Life Estimation of Existing Railway Bridge” The proceedings of the fourth International Symposium on Steel Structures (ISSC-06), 912-921, 2006, Seoul, Korea.
  • P.B.R. Dissanayake, P.A.K. Karunananda, “System Reliability Modeling of Prestrssed Concrete Bridges in Condition Estimation” The proceedings of the tenth East Asia-Pacific Conference on Structural Engineering and Construction (EASEC-10), 165-170, 2006, Bangkok, Thailand.
  • S. Jothy Kanna, P.B.R. Dissanayake, “Optimum Design of Pre-Stressed Beams Using Available Software”, 2006 Concrete Bridge Conference, May 7-10, 2006, pp 52 – 67
  • P.B.R. Dissanayake, P.A.K. Karunananda, “Condition Assessment of Reinforced Concrete Deck Bridge under Corrosion Attack” ConcreteLife’06- International RILEM-JCI Seminar on Concrete, 496-501, 2006, Israel.
  • S.B. Narasinghe, P.A.K. Karunananda, P.B.R. Dissanayake, “Service Life Prediction of Masonry Arch Bridges Using Artificial Neural Networks” ”, 2006 Concrete Bridge Conference, May 7-10, 2006, pp 77 – 91.
  • P.B.R Dissanayake “Sand and its alternatives in Sri Lanka”, Article published in proceeding of annual session by National Contractors association of Sri Lanka, July 2006.
  • P.B.R. Dissanayake, “Forensic investigation of failure of structures”, Proceeding of Annual Sessions, 2005/2006, the Institution of Engineers Sri Lanka Central Province Center, 2006.
  • P.B.R. Dissanayake, P.A.K. Karunananda, “Towards Reliability based Maintenance Strategy of aging Bridges” Proceeding of 100th Annual Sessions of Institution of Engineers, Sri Lanka, 24th October, 2006.
  • P.B.R Dissanayake “Price Escalation in Construction Materials”, Article published in proceeding of annual session by National Contractors association of Sri Lanka, July 2007.
  • P.B.R. Dissanayake, P.A.K. Karunananda, “Towards Reliability Based Maintenance Strategy of Ageing Bridge” Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 70, Vol. 11, 2006.
  • P.B.R. Dissanayake, S. Jothy Kannan, “Optimum Design of Bridge Pier” Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 71, Vol. 11, 2006.
  • W.S.K. Ranatunge, J.M.S.D. Jayasinghe, V.L. Udugamusuriya, P.B.R. Dissanayake, “Structural Performance of Building Against Blast Loading” Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 73, Vol. 11, 2006.
  • W.W. Bandara, R.M.K.I.A. Dahanayaka, U.P.K.W. Pathirana, P.B.R. Dissanayake, “Proposed Earthquake Resistant Reinforcement Detailing for Building in Sri Lanka” Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 74, Vol. 11, 2006.
  • P.A.K. Karunananda, P.B.R. Dissanayake, “System Reliability modeling of reinforced concrete deck bridges under corrosion attack”, Proc. of IESL Young Members Section 2006, The Institution of Engineers, Sri Lanka.
  • S.A.S.C. Siriwardane, Mitao Ohga, P.B.R. Dissanayake, Low-Cycle Fatigue Model for Non-Linear Kinematic Hardening Materials, Proceeding of Third International Structural Engineering and Construction Conference (ISEC-03), Volume 2, ISSBN 0415390370, Tokuyama College of Technology, Japan, September 20-23, 2005.
  • P.A.K. Karunananda, P.B.R. Dissanayake, K.R.B. Herath, Mitao Ohga, “Life Prediction of Wooden deck Bridges Using Reliability Theory”, Proceeding of Third International Structural Engineering and Construction Conference (ISEC-03), Volume 2, pp 713-716, ISSBN 0415390370, Tokuyama College of Technology, Japan, September 20-23, 2005.
  • M.P. Ranaweera, P.B.R. Dissanayake, “Consultant’s Role in the Construction Phase of a Building Project”, Proceeding of Annual Sessions, 2004/2005, the Institution of Engineers Sri Lanka Central Province Center, pp. 19-27, 2005.
  • P.B.R. Dissanayake, P.A.K. Karunananda, Practical Application of Guidelines for Buildings at Risk from natural Disasters : Tsunami Reconstructed Houses Built in Kalmunai, “Modulus”, Journal Publication of Society of Structural Engineers- Sri Lanka.
  • P.B.R. Dissanayake, “An Overview of Construction Material Crisis in Sri Lanka”, Proc. of the Annual Seminar of the Civil Engineering Society of Department of Civil Engineering, CES, 2005, pp 7-10.
  • P.B.R. Dissanayake, P.A.K. Karunananda, “Conditional Assessment of Riveted Wrought Iron Railway Bridges”, Official Publication of the National Construction Association of Sri Lanka, Vol. 11, No. 02, August 2005, pp 40– 42.
  • P.B.R. Dissanayake, “Site Management”, Proc. of the Annual Seminar of the Civil Engineering Society of Department of Civil Engineering, CES, 2005, pp 7-10.
  • S. Jothy Kanna, P.B.R. Dissanayake, “Optimum Design of Pre-Stressed Beams Using Available Software”, Proc. of Annual Transactions of IESL 2005, The Institution of Engineers, Sri Lanka.
  • N.L.N.S.B. Narasinghe, P.B.R. Dissanayake, “Service Life Prediction of Reinforced Concrete Deck Bridge using Artificial Neural Networks”, Proc. of Annual Transactions of IESL 2005, The Institution of Engineers, Sri Lanka.
  • P.B.R. Dissanayake, “Failure Investigation of Tsunami Damage Structures in Sri Lanka”, International Conference on Geotechnical Engineering for Disaster Mitigation and Rehabilitation (GEDMR05), 2005, Singapore.
  • P.B.R. Dissanayake, “Potential Earthquake Risk of Building in Sri Lanka”, The proceedings of the International Conference on Geotechnical Engineering for Disaster Mitigation and Rehabilitation (GEDMR05), 2005, Singapore.
  • P.B.R. Dissanayake, Manufactured Sand Alternative to Traditional Fine Aggregate, Proc. of Advanced Materials for Construction of Bridge, Building and Other Structures-IV, August 14-19, 2005, Maui, Hawaii.
  • P.B.R. Dissanayake, N. Mohadevan, “Potential Earthquake Risk of Building in Sri Lanka”, The proceedings of the International Symposium Disaster Reduction on Coasts, 2005, Melbourne, Australia.
  • P.A.K. Karunananda, P.B.R. Dissanayake, “Prediction of Service Life of Reinforced Concrete Deck bridges Using Structural Reliability Theory” The proceedings of the International Conference on Computational Method (ICCM2004), Computational Method, 333-338, Springer, 2004, Singapore.
  • S.A.S.C. Siriwardane, P.B.R. Dissanayake and K. R. B. Herath, “Mathematical Model to Describe the Low Cycle Fatigue Behavior of Ductile Metals” The proceedings of the International Conference on Computational Method (ICCM2004), Computational Method, 443-447, Springer, 2004, Singapore.
  • A.M.N.D. Adasooriya, S.A.S.C. Siriwardane and P.B.R. Dissanayake “Performance Analysis of PC Plates Used in Bridge Deck Construction” The proceedings of the International Conference on Computational Method (ICCM2004), Computational Method, 517-524, Springer, 2004, Singapore.
  • P.B.R. Dissanayake “Multicriteria Fuzzy Optimization of Bridge Systems” The proceedings of the International Conference on Computational Method (ICCM2004), Computational Method, 965-969, Springer, 2004, Singapore.
  • P.B.R. Dissanayake, M.P. Ranaweera, “Condition Evaluation of Old Structures”, Proceeding of Annual Sessions, 2003/2004, the Institution of Engineers Sri Lanka Central Province Center, November 2004.
  • P.A.K. Karunananda, P.B.R. Dissanayake, K.R.B. Herath, Prediction of Service Life of Riveted Wrought Iron Railway bridges using Structural Reliability Theory The 2nd International Conference on Structure, Processing and Properties of Materials (SPPM2004), 2004, Dhaka, Bangladesh.
  • S.A.S.C. Siriwardane, A.M.N.D. Adasooriya, P.B.R. Dissanayake, K.R.B. Herath, Structural Appraisal and Service Prediction of Existing Bridges”, the 2nd International Conference on Structure, Processing and Properties of Materials (SPPM2004), 2004, Dhaka, Bangladesh.
  • P.A.K. Karunananda, P.B.R. Dissanayake, K.R.B. Herath, “Prediction of Serviceability Condition of Arch Bridges using Structural Reliability Theory”, Proceedings of the 60th Annual Session of Sri Lanka Association for the advancement of Science (SLAAS) -2004, 141.
  • S. A. S. C. Siriwardane, P.B.R. Dissanayake, K.R.B. Herath, “Mathematical Model to Predict the Fatigue Behavior in Railway Bridges”, Proceedings of the 60th Annual Session of Sri Lanka Association for the advancement of Science (SLAAS) -2004, 142.
  • P.B.R. Dissanayake, K.R.B. Herath, P.A.K. Karunananda, S.A.C.S. Siriwardane, “Condition Evaluation of the Bridges in the National Road network of Sri Lanka” Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 93, Vol. 9, 2004.
  • S. Jothy Kannan, P.B.R. Dissanayake, “Optimum Structural Element Design Using Ms-Exel” Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, 76, Vol. 9, 2004.
  • S. Jothy Kannan, P.B.R. Dissanayake, “Application of structural optimization for one-way slab design” Proc. of IESL Young Members Section 2004, The Institution of Engineers, Sri Lanka.
  • P.A.K. Karunananda, P.B.R. Dissanayake, K.R.B. Herath, “Comparison of Miner-Polmgren Rule with Structural Reliability Theory in Service Life Estimation of Wrought Ion Railway Bridges”, Proc. of Annual Transactions of IESL 2004, The Institution of Engineers, Sri Lanka, 2004.
  • P.A.K. Karunananda P.B.R. Dissanayake, K. R. B. Herath, “Comparison of Miner-Palmgren Cumulative Damage Rule with Structural Reliability Theory in Service Lifetime Prediction of Reverted Wrought Iron Railway Bridges” The Sixth Summer Symposium, 2004, Saitama University, Japan.
  • P.B.R. Dissanayake, “Blended Cements-The future pace sector in the Construction Industry”, Official Publication of the National Construction Association of Sri Lanka, Vol. 8, No. 01, August 2003, pp 32 – 34.
  • P.A.K. Karunananda, P.B.R. Dissanayake, “Reliability Based Service Lifetime Estimation of Riveted Wrought Iron Railway Bridges” Proceedings of the Annual Research Sessions 2002, University of Peradeniya, Sri Lanka, 86, Vol. 7, 2002.
  • P.A.K. Karunananda, P.B.R. Dissanayake, “Engineering Analysis and Fatigue Evaluation of Ancient Riveted Wrought Iron Railway Bridges” Proceedings of the Annual Research Sessions 2002, University of Peradeniya, Sri Lanka, 88, Vol. 7, 2002.
  • G.B.Gunarathna, I.M.S.W. Kumara, C.S.Lokubarana, M.N.A. Peiris, S.A.S.C.Siriwardane, P.B.R. Dissanayake, “Structural Analysis and Reliability Assessment of Prestressed Concrete Beam Bridges using Validated Finite Element Models” Proceedings of the Annual Research Sessions 2002, University of Peradeniya, Sri Lanka 2002.
  • P.B.R. Dissanayake, “Proposed Engineering and Technology Centre”, Official Publication of the National Construction Association of Sri Lanka, Vol. 7, No. 02, August 2002, pp 13 – 14.
  • S.A.S.C. Siriwardhane, P.B.R. Dissanayake, Service Life Prediction of Railway bridge at Colombo over Kelani River, Official Publication of the National Contractor Association of Sri Lanka, Volume 7, No. 2, August 2002.
  • P.B.R. Dissanayake, N. Jayasooriya, “A Case Study of Performance of A Contractor”, Official Publication of the National Construction Association of Sri Lanka, Vol. 07, No. 01, January-March 2002, pp 21– 22.
  • Mohadevan.N, Abayakoon.S.B.S, Seneviratne H.N, Dissanayake. P.B.R, and Kurukulasuriya.L.C.(2002), “An analysis of the influence of local soil conditions on earthquake ground motion in Colombo, Sri Lanka”, Poster Presentation, Proceedings of the CES Annual Seminar-2002, Civil Engineering Society, University of Peradeniya, ISSN 1391-7597, 2002.
  • Mohadevan.N, Seneviratne.H.N, Abayakoon.S.B.S, Dissanayake. P.B.R, and Kurukulasuriya.L.C. (2002) “A study of seismic status of Greater Colombo Area”, Proceedings of the Young Geotechnical Engineers Conference -2002, Sri Lanka Geotechnical Society.
  • D.J. Gallage, K.A.A.S. Kulasooriya, M.S. Wijenanda, P.B.R. Dissanayake, “Study of the Behaviour of Ready Mixed Concrete”, Proceedings of the Annual Research Sessions 2002, University of Peradeniya, Sri Lanka 2001.
  • Mohadevan.N, Seveviratne.H.N, Dissanayake.P.B.R, Kurukulasuriya.L.C (2001) “A study of seismic hazard and hazard mitigation in Greater Colombo, Sri Lanka”. Extended abstract, Proceeding of the Annual Research Sessions 2001, Vol 6, University of Peradeniya, Sri Lanka.
  • P. Ranjan, P.B.R. Dissanayake, “Effect of Bad Decision Making in Engineering Profession” Proceedings of the Annual Research Sessions, University of Peradeniya, Sri Lanka, Vol.?9, 1999.
  • P.B.R. Dissanayake, Multicriteria Fuzzy Optimizations of Structural Systems” Proceedings of the Annual Research Sessions 1999, University of Peradeniya, Sri Lanka, 1999.
  • S. Ohkubo, P.B.R. Dissanayake, K. Taniwaki Structural system optimization considering multiple objectives and fuzziness, Proc. of Australian Conference on Structural Optimization (ACSO ’98), Sydney, Australia, 1998, pp.385-392.
  • S. Ohkubo, P.B.R. Dissanayake, Multicriteria Fuzzy Optimization for Structural Systems”, Proc. of 2nd International symposium on tool and methods for concurrent engineering (TMCE’96), Manchester, UK, 1998, pp.559-571.
  • S. Ohkubo, P.B.R. Dissanayake, Fuzzy optimization of prestressed concrete bridge system considering cost and aesthetic feeling objectives. Proc. of 2nd World congress of Structural and Multidisiplinary optimization (WCSMO-2), 1997, pp. 959-964.
  • P.B.R. Dissanayake, Multicriteria fuzzy optimization of prestressed concrete bridge systems”, Ph.D. Dissertation, Ehime University, Department of civil engineering, Matsuyama, Ehime, Japan, 1997.
  • S. Ohkubo, P.B.R. Dissanayake, Multicriteria fuzzy optimization of prestressed concrete bridge system considering cost and aesthetic feeling, Proc. of 52nd annual conference of the Japan society of civil engineers, JSCE, 1997, pp. 518-519.
  • S. Ohkubo, P.B.R. Dissanayake, Multiobjective fuzzy optimization of prestressed concrete bridge system”, Proc. of the third Asia-pacific conference on computer mechanics (APCOM ’96), 1996, pp. 571-576.
  • S. Ohkubo, P.B.R. Dissanayake, “Optimum design of RC pile foundation” Proc. of 2nd annual conference of the Japan society of civil engineers, 1996/5, pp.74-75.
  • S. Ohkubo, P.B.R. Dissanayake, Optimum span ratio of prestressed concrete bridge considering super and substructures, Proc. of 2nd annual conference of the Japan society of civil engineers (Shikoku District), 1996, pp.85-86.
  • S. Ohkubo, P.B.R. Dissanayake, “Optimal Design of Prestressed Concrete Beam Subject to Serviceability and Ultimate Limit State Constraint”, Proc. of 50th annual conference of the Japan society of civil engineers, JSCE, 1995, pp 478-479.
  • S. Ohkubo, P.B.R. Dissanayake,, A fundamental study on optimal design of prestressed concrete beams, Proc. of 1st annual conference of the Japan society of civil engineers (Shikoku District), 1995, pp. 110-111.

Consultancy Assignments :
Some of consultancy project are listed below.

  • Design of a Concrete Railway Bridge for Holcim Lanka Limited, 2011
  • Vibration Monitoring of the Ministry of Labor Building, 2011
  • Structural Engineering Expert Witness for Arbitration of STDP for RDA, 2011.
  • Structural appraisal of railway bridges at Holcim Lanka, Puttalam, 2010
  • Stability check for construction of the existing adjacent building for CECE 2010
  • Structural Health Monitoring of Crescat Resident, Colombo, 2010
  • Formulating Infrastructure Development Plans for Disaster Vulnerable School and Hospital of Batticaloa District for UNDP 2010
  • Formulating Infrastructure Development Plans for Disaster Vulnerable School and Hospital of Trincomalee District for UNDP 2010
  • Formulating Infrastructure Development Plans for Disaster Vulnerable School and Hospital of Ampara District for UNDP 2010
  • Design and construction supervision projects for World Vision 2011
  • Bridge Retrofitting NY USA 2008
  • Design Check for Cable Stabled Bridge for Enginner Without Border German, 2008
  • Seismic evaluation and retrofitting works in Japan 2007
  • Structural Stability of the Asian Paint Building at Colombo 2007
  • Investigation of failure of telecommunication tower, Belliatta, 2005
  • Investigation of the collapse of the roof trusses of the auditorium building , National Institute of Co-operative Development, Polgolla, 2005
  • Strain Measurements at AES Kelanitissa Power Plant, 2005
  • Condition Assesment of the Dutch Warehouse at Galle Fort, 2005
  • Investigation of Cracks on RCC Surfaces in Polonnaruwa Water Supply Project for SAIKEN 2010
  • Design of Fresh water Fish Health Laboratory Complex at University of Peradeniya 2004.
  • Determination of the current state of the Maligakanda old reservoir wall of National Water Supply and Drainage Board, 2003
  • Load testing of column being repaired at Gall face Hotel Colombo, 2003
  • Determination of current state of sluice gate of Udawalawe Reservoir based on strain measurements, 2003
  • Investigation of Cracks on foundations of Galvanized Steel Structures at Biyagama Switching Station 2003
  • Structural appraisal of railway bridge over Kelani river, Colombo, 2000
  • Performance analysis of PC Plates used in bridge deck construction in Gampola and Muwagama Bridge, Contractor: Kumagai Gumi Co Ltd, Japan, 2003,
  • Determination of optimized numerical analysis procedure for pre-stressed concrete beam bridges (span less than seventeen meters) in Sri Lanka, 2002.
  • Retrofitting of University Swimming Pool, 2000.
  • Design, fabrication and installation of standard testing arrangement for Ceylon 2000.
  • Board light poles, 2001, (with a group of experts in University of Peradeniya).
  • Design of Ambuluwawa Dagaba, 1999.
  • Retrofitting of Cable Stable Bridge for Plan International, 1999.

Dissertations :

  • Multicriteria Fuzzy Optimization of Prestressed Concrete Bridge System, PhD. Dissertations, Department of Civil Engineering, Ehime University, Japan, 2008.
  • A Fundamental Study on Optimal Design of Prestressed Concrete Structure, M. Eng. Dissertation, Department of Civil Engineering, Ehime University, Japan, 2005.

Book Chapters :

  • Siriwardane Sudath Chaminda, Mitao Ohga, Ranjith Dissanayake and Kaita Tatsumasa, (2009), Remaining fatigue life estimation of existing railway bridges, Railway Transportation: Policies, Technology and Perspectives, (Chapter of an Edited Book) Nova Publishers, USA, ISBN: 978-1-60692-8639, pp.181-216.
  • Mitao Ohga, Siriwardane Sudath Chaminda, Ranjith Dissanayake and Abeetha Peris Fatigue of Structural Connections: A Recent Research, Structural Steel and Castings: Shapes and Standards, Properties and Applications, (Chapter of an Edited Book) Nova Publishers, USA, ISBN: 978-1-61728-104-4, (In press).More..
  • Siriwardane Sudath Chaminda, Mitao Ohga, Munindasa P. Ranaweera, Ranjith Dissanayake and Raveendra Herath A Simple Model to Predict Ultra-Low Cycle Fatigue Fracture of Steel Bridges, Bridge Design: Types, Management and Analysis, (Chapter of an Edited Book) Nova Publishers, USA (Accepted on 3rd July 2010).
  • Guidance Notes on Safer School Construction, Global Facility for Disaster reduction and recovery published by INEE, the world bank and international strategy for disaster reduction 2007.
  • Guideline for building at risk for Natural Disaster, Published by Society of Structural Engineering Sri Lanka, 2005