Prof. (Mrs) G.H.M.J.Subashi De Silva
Dr. Subashi

  

Laboratory:

Structural Engineering Laboratory.

Office Address:

Department of Civil and environmental Engineering, Faculty of Engineering, University of Ruhuna, Hapugala, Galle

E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Telephone :

 +94-91-2245765~7 ext. 2222

Educational Qualifications :
  • PhD in Civil and Environmental Engineering from Saitama University, Japan (2005)
  • PG. Dip in Structural Engineering Design from University of Moratuwa, Sri Lanka (2002)
  • B.Sc with First Class Honours in Civil Engineering from University of Moratuwa, Sri Lanka (2000)
Professional Qualifications :
  • Visiting Scholar, Department of Civil and Environmental Engineering, University of Connecticut, US
  • Senior Lecturer Grade I, Department of Civil and Environmental Engineering, University of Ruhuna (May 2014 to date)
  • Senior Lecturer Grade II, Department of Civil and Environmental Engineering, University of Ruhuna (April 2008- to April 2014)
  • Charted Engineer, Institution of Engineers Sri Lanka
  • Postdoctoral Research Fellow at Graduate School of Science and Engineering, Saitama University, Japan (October 2007 - March 2008)
  • Postdoctoral Research Fellow, JSPS, at Saitama University, Japan (October 2005 - September 2007)
  • Postgraduate (Ph.D.) student at Graduate School of Science and Engineering, Saitama University, Japan (October 2002 - September 2005)
  • Lecturer, Department of Civil and Environmental Engineering, University of Ruhuna (March 2001- October 2002) on study leave from October 2002
  • Visiting Lecturer, Advanced Technological Institute, Labuduwa (July 2000-October2002)
  • Assistant Lecturer, Department of Civil and Environmental Engineering, University of Ruhuna (July 2000- March 2001)
  • Trainee Engineer at Millennium City Housing Project at Athurigriya, Colombo, Jayarathne Construction Company (1999)
  • Undergraduate Trainee, Surath Wickramasinghe Associates (October -December 1998)
  • Undergraduate Trainee, Maga Engineering Ltd (October- December 1997)
  • Management Trainee, Samson International(Pvt) Ltd (July 1994- September 1995)
Academic Awards and Scholarships and Fellowships:
  • President’s Award 2017, for Scientific Research, awarded by National Research Council, Sri Lanka,2019
  • Manamperi Award 2017, The Best Inter-University Final Year Undergraduate Project in Engineering, 2017, awarded by the Sri Lanka Association for the Advancement of Science,2019
  • Vice Chancellors Award for Most Outstanding Young Researcher 2013 awarded by the University of Ruhuna,2014
  • Best Civil Engineering Undergraduate Research project, 2012, awarded by the Institute of Civil Engineers, UK
  • Chartered Engineer, 2011, awarded by the Institution of Engineers, Sri Lanka (IESL)
  • Eng Nimal Chandrasena Award for Best research, 2009, awarded by the Institution of Engineers, Sri Lanka (IESL)
  • Postdoctoral Research Fellowship awarded by Graduate School of Science and Engineering - Saitama University to conduct further research at Saitama University , 2007
  • Postdoctoral Research Fellowship awarded by Japan Society for Promotion of Science (JSPS) to conduct cooperative research with the host researcher , 2005
  • Best research paper and presentation presented at the Seventh International Summer Symposium 2005, Tokyo, awarded by Japan Society of Civil Engineers (JSCE), 2005
  • Munbukagakasho Scholarship granted by the government of Japan to pursue PhD degree course at Saitama University, Japan, 2002
  • Mahapola Scholarship granted by the government of Sri Lanka to pursue BSc degree course at University of Moratuwa (Merit Scheme), 1995
Memberships:
  • Member, Institution of Engineers Sri Lanka
  • Member, Society of Structural Engineers Sri Lanka
Research Interests :
  • Durability of reinforce concrete elements
  • Dynamic responses of structures for vibration
  • Human Responses to Vibration
  • Noise and Vibration Assessment
  • Human-Structure Dynamic Interaction
  • Alternative Building Materials
  • Green Buildings
  • Seismic retrofitting
Teaching Areas:

Postgraduates:

  • Earthquakes and Civil Engineering Dynamics

Undergraduates:

  • Fundamental of Civil Engineering
  • Structural Analysis
  • Dynamics and Control of Structures
  • Design of Structural Elements
  • Computer Analysis of Structures
  • Introduction to Research Methodology
Other Involvements :
  • Member, Research committee (2019-todate)
  • Faculty Coordinator, Orator competition 2017, University of Ruhuna ( 2017)
  • Postgraduate Program Coordinator, (March 2015- March 2019))
  • Member, senate sub-committee for preparing University Orientation Program
  • Committee member, Preparation of proposal for new hostel building (female), Faculty of Engineering, University of Ruhuna
  • Faculty Coordinator, Internal Quality Assurance Unit, University of Ruhuna ( Jan 2012– Oct 2013)
  • Chairman, Committee for evaluating short films, Short Film Festival, Faculty of Engineering, University of Ruhuna (2012)
  • Member, Selection Committee for Best Entrepreneur Awards 2011, Hambantota District Chamber of Commerce (HDCC), appointed by Vice-Chancellor, University of Ruhuna
  • Chartered Engineer 
  • Member, Committee for revising the format of Academic Transcript, University of Ruhuna (2011)
  • Academic Advisor, Faculty of Engineering (May 2008 to date)
  • Coordinator, Graduate Symposium on Recent Advances in Engineering, organized by Civil and Environmental Engineering Society, University of Ruhuna ( 2011)
  • Patron, Civil and Environmental Engineering Society (CEES) (October 2010- March 2013),
  • Deputy Senior Student Counsellor, Faculty of Engineering, University of Ruhuna (October 2010-September 2013)
  • Member of the Hostel and Canteen Management Committee ((October 2010-September 2013)
  • Resource Person – Training program conducted for the lecturers at SLIATE -2010
  • Senior Treasurer, Civil and Environmental Engineering Society (CEES) (October 2008- October 2010)
  • Student Counsellor, Faculty of Engineering, University of Ruhuna (October 2008- October 2010)
  • Resource person, Student  Development Program - computer awareness
  • Committee member, International Collaborative Graduate Program, Saitama University (October 2007-March 2008)
  • Committee member, Preparation of proposal for new library building, Faculty of Engineering, University of Ruhuna  
  • Member, Faculty Sub-Committee for Enhancing English skills of Undergraduate Students
  • Member, Organizing Committee for 10th Anniversary Celebration of the Faculty of Engineering,2010
  • Faculty Coordinator, Sixth VC's Award Ceremony and Seventh Academic Sessions, University of Ruhuna,2010
  • Coordinator, International Exchange Symposium on Infrastructure Development in Asia, jointly organized by Saitama University, University of Peradeniya, University of Moratuwa and University of Ruhuna,2009
  • Coordinator, Civil Engineering Research Exchange Symposium 2010 (CERES'10), jointly organized by Civil Engineering Societies of Engineering Faculties at Ruhuna, Moratuwa and Perade–-–niya
  • Resource person, Computer-Based Structural Analysis for Engineers, conducted for engineers attached to National Water Supply and Drainage Board (NWS&DB), Regional Support Centre – Southern & Uwa.
Professional Development Activities :
  • Guest Lecture “Human-Structure Dynamic Interactions, at Question Time , a monthly event organized by the Society of Structural Engineers, Sri Lanka
  • Invited Lecture, “Human body dynamics and it interaction with supporting structures” , Annual Research Sessions, Sri Lanka Student Association in Japan, 2007
  • Invited Lecture, Path towards success in Research Studies in Japan, Inauguration Ceremony for JSPS Fellows 2006
  • Invited Lecture, Research on Human Response to Vibration , Science Dialogue JSPS, Yamanashi Prefectural Tsuru High School (Yamanashi) 2006 
Consultancy work carried out :
  • Noise and Vibration Consultant, Re-construction of Kahaduwawaththa Bridge,(Client: State Development and Construction Cooperation), 2017
  • Noise and Vibration Consultant, Assessments and Recommendation to Reduce Noise Level at D.G. Grinding Mill, Balapitiya, 2017
  • Noise and Vibration Consultant, Re-construction of Samagiwatta Bridge, (Client: State Development and Construction Cooperation), 2016
  • Noise and Vibration Consultant, Assessment and Recommendation to Reduce Noise Level at Chaminda Solid Cement Block Manufacturing factory, Akuressa, 2016
  • Noise and Vibration Consultant, Assessment and Recommendation to Reduce Noise Level at Power loom factory, Kadurupokuna, 2011
  • Team member, Structural Assessment of Sri Lanka Telecom Head office Building at Lotus road, Colombo, January 2013
  • Noise and Vibration Consultant , Recommendations to reduce Noise Levels at Voguetex (Pvt) Factory Building, prepared on the request of Voguetex (Pvt) Ltd, Hikkaduwa, June 2010
Participation of professional development training, workshops and seminars:
  • Participant of seminar on “ Modern Bridges and Urban Flyovers” organized by Society of Structural Engineers, Colombo, Sri Lanka, July 2013
  • Participant of workshop on “ Initiatives in Quality Assurance and Strengthening Internal Quality Assurance” conducted by Quality Assurance and Accreditation Council Division of the University Grant Commission  at the University of Ruhuna, May 2013
  • Participant of training program on “Outcome based education and Accreditation as per Washington Accord Guidelines”, June 2012
  • Participant of workshop on Research Commercialization of Universities Projects and Innovations, November 2011
  • Participant of workshop on Outcome based approach to Modern Engineering Education, October 2011
  • Participant of International Exchange Seminar on Current and Future Collaborations in Education and Research between Sri Lankan Universities and Saitama University was held on 17th February 2010, Saitama University, Japan. Presentation: Progress of collaborative activities between Saitama University and Sri Lankan Universities, under ICGP
  • Participant of training program on Static and Dynamic Analysis and Structural Design of Highway Bridges by University of Moratuwa, November, 2009
  • Participant of seminar on Advances in Tall Buildings and Green Building Technology organized by Society of Structural Engineers, Colombo, Sri Lanka on 24 November, 2009
  • Participant of workshop on Planning the New Higher Education Project organized by University of Ruhuna on April 2009
  • Participant of workshop on the use of Portland Limestone Cement in Concrete organized by Holicm (Lanka) Ltd on September 2009
  • Participant of Seminar  on Construction of Flood Damaged Bridges in Southern Province, organized by Southern Provincial Road Development Authority, Galle, Sri Lanka, December 2008
  • Participant of workshop on Vision for High-rise Building organized by Society of Structural Engineers Sri Lanka, September, 2008.
Publications :

Refereed Journal Publications                                                                                                                                                                                                                              

  1. G.H.M.J.Subashi De Silva, S Vishvalingam, T Etampawala, Effect of waste rice husk ash from rice husk fuelled brick kilns on strength, durability and thermal performances of mortar, Construction and Building Materials 268,121794 (2021)
  2. G.H.M.J.Subashi De Silva, M.W. S.Priyamali, Potential use of waste rice husk ash for concrete paving blocks: strength, durability and run-off properties ,International journal of Pavement engineering, (2020), pp 1-13
  3. G.H.M.J.Subashi De Silva, E. Hansamali, Eco-friendly clay bricks incoperated with porcelain ceramic sludge, Construction and Building Materials 228,116754 (2019)
  4. K.J. Madhavie, and G.H.M.J.Subashi De Silva “ Whole body vibration exposures of roller compactors: Characteristics and effect of waste rubber in damping the vibration” , International Journal of Occupational Safety and Ergonomics , (2019), pp 1-10
  5. P. Jayawardana, D. P. Thambiratnam, N. Perera, T. Chan and G. H. M. J. Subashi De Silva  “Use of artificial neural network to evaluate the vibration mitigation performance of geofoam-filled trenches, Soil and Foundation , (2019)  59 (4) pp 874-887
  6. S.W.Mendis, G.S.Y.De Silva and G. H. M. J. Subashi De SilvaPerformance of un-reinforced burned clay brick masonry walls retrofitted with locally available materials” , Journal of the National Science Foundation of Sri Lanka , (2019) 47 (1)
  7. G.H.M.J.Subashi De Silva, and L.L. Galappaththi. “Factors affecting health and safety issues in building construction sites in Sri Lanka”, CIDA Journal, Journal of the Construction Industry Development  Authority  (CIDA) (2018)  Vol 16 pp 33-41.
  8. Pubudu Jayawardana, R. Achuhan, G.H.M.J.Subashi De Silva, D. P. Thambiratnam. “Use of in-filled trenches to screen ground vibration due to impact pile driving: experimental and numerical study”. Heliyon 4 (2018) e00726
  9. G.H.M.J. Subashi De Silva, M.P.D.P Malwatta – Strength, durability, thermal and run-off properties of fired clay roof tiles incorporated with ceramic sludge. Construction and Building Materials (2018) 179 pp 390-399
  10. G.H.M.J. Subashi De Silva, BVA Perera - Effect of waste Rice Husk Ash (RHA) on structural, thermal and acoustic properties of fired clay bricks. Journal of Building Engineering,  (2018)  18, pp 252-259
  11. G.H. M. J. Subashi De Silva, and M.L.C. Surangi, “ Effect of waste rice husk ash on structural, thermal and run-off properties of clay roof tiles”, Construction and Building Materials, (2017) 154, pp251-257
  12. G.H.M.J Subashi De Silva, and Karunarathna R.M.K.S. “Assessment of hand arm vibration exposures of operators in Civil Engineering Construction Industry”, CIDA Journal, Journal of the Construction Industry Development Authority  (CIDA) Vol 15 (2017)  pp 33-39.
  13. H.J. Pushpakumara, Sudhira De Silva and G.H.M.J. Subashi De Silva “ Visual inspection and non-destructive tests based rating method for concrete bridges” , International Journal of Structural Engineering, Vol 8 (2016) issue 1, pp 74-81
  14. G.H.M.J Subashi De Silva, G.S.Y De Silva and J.G.N.I. Madushanka “Assessment of whole body vibration exposure levels of operators in construction machineries”, CIDA Journal, Journal of the Construction Industry Development  Authority  (CIDA) Vol 14 (2016)  pp 37-44.
  15. Jayawardana W.A.P.D, Subashi De Silva G.H.M.J. and De Silva G. S. Y., Effectiveness of a trench filled with waste material in reducing the propagation of ground vibration induced by soil roller compaction, Engineer, Journal of the Institution of Engineers, Sri Lanka (IESL) Vol 59 (2016) issues 3 pp 1-10.
  16. Vitharana V. H. P., Subashi De Silva G.H.M.J. and Sudhira De Silva, “Health hazards, Risk and Safety practices in construction sites –A Review Study”, Engineer, Journal of the Institution of Engineers, Sri Lanka (IESL) Vol 58 (2015) issue 3, pp 35-44.
  17. H.P.Vithrana, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, “ Noise and Vibration exposure levels of workers in building construction sites, ICTAD Journal, Journal of the Institution of Construction, Training and Developments (ICTAD) Vol 12 (2014) pp 74-79.
  18. W.S.Wasundara Mendis, Sudhira De Silva and G.H.M.J. Subashi De Silva, Performance and Retrofitting of Unreinforced Masonry Buildings against Natural Disasters – A Review Study, Engineer, Journal of the Institution of Engineers, Sri Lanka (IESL) Vol 57 (2014) issue pp 19-30
  19. H.J. Pushpakumara, Sudhira De Silva and G.H.M.J. Subashi De Silva, Investigation on Efficiency of Repairing and Retrofitting Methods for Chloride induced Corrosion of Reinforced Concrete Structures, Engineer, Journal of Institution of Engineers, Sri Lanka (IESL) Vol 56 (2013) issues 4 pp 19-30. 
  20.  B.H.J.Pushpakumara and G.H.M.J. Subashi De Silva, Characteristics of Masonry Blocks Manufactured with Rice Husk Ash (RHA) and Lime, Engineer, Journal of the Institution of Engineers, Sri Lanka (IESL) Vol 55 (2012) issues 3 pp 1-10.
  21. H. M. J Subashi, N. Nawayseh, Y. Matsumoto, M. J. Griffin, Non-linear subjective and dynamic responses of seated subjects exposed to horizontal whole-body vibration, Journal of Sound and Vibration Vol. 321 (2009) issues 1-2 pp 416-434
  22. H. M. J Subashi, Y. Matsumoto, M. J. Griffin, Modelling mechanisms associated with the resonances of the dynamic response of the standing body exposed to vertical whole-body vibration: Effects of posture, Journal of Sound and Vibration Vol. 317 (2008) issues 1-2 pp 400-418
  23. H. M. J. Subashi, Y. Matsumoto, M. J. Griffin, Apparent mass and cross-axis apparent mass of standing subjects during exposure to vertical whole-body vibration, Journal of Sound and Vibration Vol. 293 (2006) issues 1-2 pp 78-95

Refereed publications at International and National Conferences 

Full papers

 

  1. D.M.M.D.B. Dasanayake and G.H.M.J. Subashi De Silva, Use of fine recycled Construction and Demolition aggregates for manufacturing fired clay bricks, Proceedings 5 th International Conference on Advanced Civil Engineering Practices for Sustainability. ACEPS 2016, pp 180-186, March, 2018
  2. M.P.D.P. Malwatta and G.H.M.J. Subashi De Silva,“Effect of ceramic sludge on structural properties of clay Roofing tiles”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/130
  3. W. K. N. Chandrasena and G.H.M.J. Subashi De Silva, “Investigation on the characteristics of noise levels induced by impact piling at different soil conditions”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/134
  4. C.K.B.B Surendra and G.H.M.J. Subashi De Silva, “Use of brick and concrete demolition waste for cement mortar ”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/131
  5. M.K.J. Madhavie and G.H.M.J. Subashi De Silva, “Characteristics of whole body vibration transmitted to soil roller compactor operators at different working conditions”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/136
  6. T. R. S. T Wijewardana and G.H.M.J. Subashi De Silva, “Investigation of hand arm vibration exposure levels of chipping hammer operators in construction industry”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/133
  7. Sanharshi Thoradeniya and G.H.M.J. Subashi De Silva, “Characteristics and prediction of ground vibration induced by impact piling in different soil conditions ”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/132
  8. L.W.P.U. Arunapriya and G.H.M.J. Subashi De Silva, “Structural properties of concrete paving blocks manufactured with waste rice husk ash”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/137
  9. S.M.D.E Hansamali, and G.H.M.J Subashi De Silva, “Use of sludge as a building material ”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/135 
  10. Eswaran A, and G.H.M.J. Subashi De Silva, “Potential use of bottom ash for manufacturing concrete paving blocks”, Proceedings of 8th International Conference on Sustainable Built Environment (ICSBE-2017), Kandy, Sri Lanka, December 2017, paper no ICSBE2017/140
  11. M. L. C. Surangi, G.H.M.J. Subashi De Silva. and G. S. Y De Silva., “Effect of Rice Husk Ash on Structural and Thermal Properties of Clay Roof Tiles”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/234                                                                                                                         
  12. K. M. Lisan, G.H.M.J. Subashi De Silva. and G. S. Y De Silva., “Investigation of Characteristics of Noise generated by Pilling Activities”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/235                                                                                                                                                   
  13. H. N. K. Ranasinghe, G.H.M.J. Subashi De Silva. and G. S. Y De Silva., “Utilization of Fine Fraction of Construction and Demolition Masonry waste for Mortar”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/230                                                                                                             
  14. D. K. M. C. Lakmali, G.H.M.J. Subashi De Silva. and G. S. Y De Silva., “Assessment of Right Comfort of Passengers based on Whole Body Vibration”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/232                                                                                                                         
  15. R. Achuhan, G.H.M.J. Subashi De Silva. and G. S. Y De Silva, “Comparison between Ground Vibrations Induced by Impact Pilling and Bored Pilling”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/231                                                                                                                         
  16. U. K. A.Gayan, G.H.M.J. Subashi De Silva. and G. S. Y De Silva., “Investigation on a Method to assess Road Condition Based on Vibration Measurements”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/233                                                                                             
  17. H. M. S. S. Padmal, G.S.Y. De Silva and G.H.M.J. Subashi De Silva., “Development of Expert System for the Seismic Vulnerability of Existing Masonry Structure”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/229                                                                                                              
  18. T. Prasanthan, G.S.Y. De Silva and G.H.M.J. Subashi De Silva., “Incorporating Recycled PET Fibresfor Green Roof Slab Panels”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/224                                                                                                                                                             
  19. W. D. G. L. Kumara, G.S.Y. De Silva and G.H.M.J. Subashi De Silva., “Incorporating Natural Fibers for Precast Slab Panels”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/236                                                                                                                                                              
  20. S. Sathesrajkumar, G.S.Y. De Silva and G.H.M.J. Subashi De Silva., “Performances of Finger Jointed Timber Boards with Different Joint Configurations”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/228                                                                                                                           
  21. S. Vivek, G.S.Y. De Silva and G.H.M.J. Subashi De Silva., “Finger Joints and their Structural Performance in Different Exposure Conditions”, Special Session on Sustainable Building and Infrastructure, Proceedings of 7th International Conference on Sustainable Built Environment (ICSBE-2016), Kandy, Sri Lanka, December 2016, paper no ICSBE2016/225                                                                                                                                     
  22. R.M.M.P. R, K.G.S. Madhushanka, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Application of recycled polyethylene terephthalate (PET) fibers to produce Fiber Reinforced Concrete pipes, Proceedings 4 th International Conference on Advanced Civil Engineering Practices for Sustainability. ACEPS 2016, pp 180-186, March, 2016.                                                                                                                                                                            
  23. B.V.A. Perera, K.G.S. Madhushanka, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Effect of Rice Husk Ash (RHA) on structural properties of fired clay bricks, Proceedings , Proceedings of 6th International Conference on Sustainable Built Environment (ICSBE-2015), Kandy, Sri Lanka, December 2015, paper no SEB/15/139                                                                                                                                                                                           
  24. P.H.D.P. Chandarasiri, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Investigation on Ground Vibration induced by construction traffic and normal traffic, Proceedings of 6th International Conference on Sustainable Built Environment (ICSBE-2015), Kandy, Sri Lanka, December 2015, paper no SEB/15/148                                                                                                                                                                                                            
  25. J.G.N. Madhushanka, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Investigation on Whole Body Vibration exposures of operators of construction vehicles, Proceedings of 6th International Conference on Sustainable Built Environment (ICSBE-2015), Kandy, Sri Lanka, December 2015, paper no SEB/15/145                                                                                                                                                                                                         
  26. B. Thirukumaran, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Investigation on characteristics of noise induced by construction traffic, Proceedings of 6th International Conference on Sustainable Built Environment (ICSBE-2015), Kandy, Sri Lanka, December 2015, paper no SEB/15/149                                

  27. R.M.K.S. Karunarathna, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Investigation on Hand arm vibration exposures of operators in construction industry, Proceedings of 6th International Conference on Sustainable Built Environment (ICSBE-2015), Kandy, Sri Lanka, December 2015, , paper no SEB/15/148                                                                                                                                                                                                          
  28. T.M. Sooriyaarachchi, W.A.M.T.C.W. Aththanayaka, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Dynamic response of RC bridges due to heavy vehicles, Proceedings of 6th International Conference on Sustainable Built Environment (ICSBE-2015), Kandy, Sri Lanka, December 2015, paper no SEB/15/157                                                                                                                                                                                                         
  29. B.S. Ruwanpathirana, R.M.C.P  Rathnayaka G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Investigation of strength parameters and physical properties of non-class timber species in Sri Lanka, Proceedings of 6th International Conference on Sustainable Built Environment (ICSBE-2015), Kandy, Sri Lanka, December 2015 paper no SEB/15/138                                                                                                                                                          
  30. H.P.C.P.Pathirana, S.P.Ranatunga, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Exposure Levels of Noise and Vibration among Construction        Workers and their Health, Proceedings 3 rd International Conference on Advanced Civil Engineering Practices for Sustainability. ACEPS 2015, pp     287-293, March, 2015.                                                                                                                                                                                                           
  31. V.H.P.Vithrana, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Comparing Health Risks among Vehicle Operators in Construction Sites exposed to Whole-Body Vibration Using EU directive 2002/44/EC and ISO 2631-1, Proceedings of 3rd International Conference on Advanced Civil Engineering Practices for Sustainability. ACEPS 2015, pp 273-279, March, 2015.                                                                                                                                      
  32. W.S.W. Mendis, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Post strengthening of Un-reinforced masonry structures, Advanced Civil Engineering Practices for Sustainability. ACEPS 2015, pp 349-358, March, 2015.                                                                                                                                                                                                  
  33. Pushpakumara B.H.J., De Silva G.S.Y. and Subashi De Silva G.H.M.J., “Condition Assessment based Approach for Identifying Remediation Plan of Concrete Bridges in Sri Lanka”, Special Session on Design & Construction, Proceedings of 5th International Conference on Sustainable Built Environment (ICSBE-2014), Kandy, Sri Lanka, December 2014, pp. 100-108.                                                                                                                        
  34. Vitharana V.H.P., Subashi De Silva G.H.M.J. and De Silva G.S.Y., “Method to Assess Comfort Level and Potential Health Risks of Construction Workers Exposed to Whole Body Vibration”, Special Session on Sustainable Buildings and Infrastructure, Proceedings of 5th International Conference on Sustainable Built Environment (ICSBE-2014), Kandy, Sri Lanka, December 2014, pp. 81-88.                                                                                                
  35. Ravishanka B.W.C., Shanaka M.M., De Silva G.S.Y. and Subashi G.H.M.J., “Strategically Rehabilitation of Existing Concrete Bridges and Application Of Bridge Management System for RC Bridges in Sri Lanka”, Special Session on Design & Construction, Proceedings of 5th International Conference on Sustainable Built Environment (ICSBE-2014), Kandy, Sri Lanka, December 2014, pp. 113-120.                                                                                    
  36. Abeygunawardana N.T., Azam M.N.M., De Silva G.S.Y. and Subashi G.H.M.J., “Performance of Ferrocement Strengthened Unreinforced Masonry Walls Against Reversed Cyclic Loading”, Special Session on Design & Construction, Proceedings of 5th International Conference on Sustainable Built Environment (ICSBE-2014), Kandy, Sri Lanka, December 2014, pp. 121-128.                                                                                                            
  37. Jayawardhana W.A.P.D.,  Jayawardhana B.M.B.H., Subashi De Silva G.H.M.J. and De Silva G.S.Y., “Investigation on Characteristics of Vibration Induced by Soil Roller Compaction and Effectiveness of Damping Layer to Reduce the Vibration”, Special Session on Design & Construction, Proceedings of 5th International Conference on Sustainable Built Environment (ICSBE-2014), Kandy, Sri Lanka, December 2014, pp. 129-136.                                                                                                                                                                                        
  38. Ranatunga S.P., Pathirana H. P. C. P., Subashi De Silva G.H.M.J. and De Silva G.S.Y., “Effect of Noise and Vibration on Health of Workers in Road Development Sites”, Special Session on Climate Change, Community - Environment and Ecosystem and Environmental Pollution and Chronic Kidney Disease in North Central Province of Sri Lanka, Proceedings of 5th International Conference on Sustainable Built Environment (ICSBE-2014), Kandy, Sri Lanka, December 2014, pp. 127-133.                                                                                                                                                                              
  39. W.S.W. Mendis, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Dynamic in plane behavior of seismically strengthened Un reinforced masonry walls, Proceedings of International Conference on Structural Engineering and Construction Management ,13-15 December  2014, Kandy, Sri Lanka.                                                                    
  40. W.A.M.Wanniarachchi, C.M. Welhena, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Investigation on Characteristics of vibration induced by construction activities and its effect on structural responses, Engineer, Transactions, 108 th Annual Sessions of the Institution of Engineers, Sri Lanka, pp 94-101, October, 2014.                                                                                                                                                                                     
  41. V.H.P.Vithrana, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, “Whole Body Vibration exposures of workers in construction sites in Sri Lanka”, Transactions, 4 th Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 17-24, September, 2014.                                                                                                             
  42.   W.S.W. Mendis, G.S.Y. De Silva and G.H.M.J. Subashi De Silva ,  “Performance of Un-Reinforced Masonry Walls Retrofitted with Ferrocement Belts”,Transactions, 4 th Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 15-18, September, 2014.                                                                                        
  43. V.H.P.Vithrana, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Risk associated with Noise and Vibration exposures and their effects on Health of Workers in Construction sites, Proceedings of International Conference on Structural Engineering and Construction Management 13-15 December 2013, paper no. SBE/13/113.                                                                                                                                                                                                    
  44. W.S.W. Mendis, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Seismic Resistant Techniques for Retrofitting of Existing Masonry Dwellings in Sri Lanka, Proceedings of International Conference on Structural Engineering and Construction Management 13-15 December 2013, paper no. SBE/13/101.                                                              
  45. B.H.J. Pushpakumara, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Calcium Nitrate mixed mortar for repairing corroded RC structures, Proceedings of International Conference on Structural Engineering and Construction Management 13-15 December 2013, paper no. SBE/13/100.                                                         
  46. A.U. Senaratna, W.P.N. Weerasinghe, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Utilization of Bottom ash as a Construction Material, Proceedings of International Conference on Structural Engineering and Construction Management 13-15 December 2013, paper no. SBE/13/140.                                                                              
  47. K.K.G.D.D.L  Kariyawasam, U.B.H.U Hemapala, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Development of a Bridge Assessment Tool to identify Current Condition of Reinforced Concrete and Pre-Stressed Concrete Bridges, Proceedings of International Conference on Structural Engineering and Construction Management, 13-15 December 2013, paper no. SBE/13/139.                                                                                                                     
  48. Lahiru Galappaththi, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Investigation on Methods to improve Health and Safety Practices in Construction Sites, Proceedings of International Conference on Structural Engineering and Construction Management, 13-15 December 2013, paper no. SBE/13/142.                                                              
  49. W.A.M.Wanniarachchi, C.M. Welhena, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Investigation of Characteristics of Vibration induced by Construction Activities and its Effects on Structural Responses, Proceedings of International Conference on Structural Engineering and Construction Management, 13-15 December 2013, paper no. SBE/13/141.                                                                                                                                     
  50. M.M.M.Samanpriya, V.P.Sonnadara, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Evaluation of the Performance of Unreinforced Masonry Buildings against Earthquakes and Selection of Suitable Retrofitting Method, Proceedings of International Conference on Structural Engineering and Construction Management, 13-15 December 2013, paper no. SBE/13/138.                                                                                                                                     
  51. B.H.J. Pushpakumara, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Repair of Corrosion Cracks using Cement based Mortars, Engineer, Transactions of 107th Annual Sessions, Institution of Engineers, October, 2013.                                                                                                                                                                                              
  52. W.S. Wasundara Mendis, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Earthquake resistance of Un-reinforced Masonry Walls retrofitted with Bamboos, Engineer, Transactions of 107th Annual Sessions, Institution of Engineers, October, 2013.                                                                                                                                  
  53.  V.H.P.Vithrana, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Health Hazards, Risk Factors and Safety Practices in Construction sites: Review Study, Advanced Civil Engineering Practices for Sustainability. ACEPS 2013, pp 17-24, September, 2013.                                                                                                               
  54. W.S. Wasundara Mendis, G.S.Y. De Silva and G.H.M.J. Subashi De Silva, Experimental Study on Diagonal shear behaviour of Un-reinforced Masonry walls retrofitted with Low cost materials: Bamboo strips and Poly-Propylene bands, Transactions, 3 rd Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 17-24, September, 2013.                                                                                                                                                     
  55. V.H.P.Vithrana, G.H.M.J. Subashi De Silva and G.S.Y. De Silva, Workers; awareness of risk factors and safety practices in building Construction sites, Transactions, 3 rd Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 17-24, September, 2013.                                                                                                         
  56. P.V.R. Ranasinghe P.V.R., H.P.P. Shantha, G.H.M.J.Subashi De Silva and G.S.Y.De Silva , Investigation on Techniques to Control Structural Damage due to Blasting Activities, Proceedings of International Conference on Sustainable Built Environment (ICSBE-2012), December 2012, paper no. SBE/12/77.                                                                                                                                                                                               
  57. K.N. Hemantha Dedigama, S.M.P. Shyaman Premarathne, G.H.M.J.Subashi De Silva., G.S.Y. De Silva  and N.D. Jayasundara. Investigation of Natural Material to reduce Industrial Noise, Proceedings of International Conference on Sustainable Built Environment (ICSBE-2012),  14-16 December 2012, paper no. SBE/12/78.                                                                                                                                                                                                    
  58. I.B.B.L Perera, R.D.S.I.Priyadarshana, G.S.Y De Silva. and G.H.M.J.Subashi De Silva, Development of Repairing Methods for Damaged Structures due to Chloride Attack in the Marine Environment”, Proceedings of International Conference on Sustainable Built Environment (ICSBE-2012), 14-16 December 2012, paper no. SBE/12/169.                                                                                                                                                                   
  59. S.T.A Priyadarshani, W.S.M Sanjeewa., W.S.W Mendis., G.S.Y De Silva and G.H.M.J.Subashi De Silva., Strengthening Load bearing Masonry Wall Panels using Locally available Materials, Proceedings of International Conference on Sustainable Built Environment, 14-16 December 2012, paper no. SBE/12/206.                                                                                                                                                                                                                  
  60.  A.S.M. Mendis, W.A.T.Nikeshala, G.H.M.J.Subashi De Silva, Properties of Masonry panels and blocks manufactured with crushed coconut shells, Proceedings of the International Conference on Structural Engineering Sustainable Built Environment, 14-16 December, 2012, paper no SBE/12/170.                                                        
  61.  C.S.K.R Anthony, A.J.M.S.S Abeykoon and G.H.M.J Subashi De Silva, Bottom ash as replacement of sand for manufacturing masonry blocks, Proceedings of the International Conference on Structural Engineering Sustainable Built Environment, 14-16 December, 2012, paper no SBE/12/79.                                                                      
  62. B.H.J.Pushpakumara, G.S.Y.De Silva, G.H.M.J.Subashi De Silva, Evaluating Mitigation Methods for Chloride Induced Corrosion of Reinforced Concrete Structures, Proceedings of the International Conference on Structural EngineeringSustainable Built Environment, 14-16 December, 2012, paper no SBE/12/153.                                                                                                                                                                                                             
  63. W.S.W. Mendis, G.S.Y.De Silva, G.H.M.J.Subashi De Silva, Performance of Unreinforced Masonry Buildings against Natural Disasters – Review Study, Proceedings of the International Conference on Structural Engineering Sustainable Built Environment, 14-16 December, 2012, paper no SBE/12/135.                                                      
  64. B.H.J.Pushpakumara, G.S.Y.De Silva and G.H.M.J.Subashi De Silva, Service Life Evaluation for Reinforced Concrete Structures in Sri Lanka, Engineer, Transactions of 106th Annual Sessions, Institution of Engineers, October, 2012.                                                                                                                                        
  65. A.S.M. Mendis, W.A.T.Nikeshala, G.H.M.J.Subashi De Silva, Long Term Performances of Masonry Blocks Manufactured with Waste Materials, Transactions, 2 nd Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 25-31 , September, 2012.                                                                                                          
  66. B.H.J.Pushpakumara, G.S.Y. De Silva, G.H.M.J.Subashi De Silva Condition Assessment and Service Life Prediction of Reinforced Concrete Bridges Exposed to Chloride Environment, Proceedings of 2 nd Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 63-70, September ,2012.                                                          
  67. C.S.K.R Anthony, A.J.M.S.S Abeykoon and G.H.M.J Subashi De Silva, Properties of Masonry Blocks Manufactured with Bottom Ash, Transactions, 2 nd Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 17-24, September, 2012.                                                                                                                                    
  68. G.H.M.J.Subashi, Singhapura S.D.K.G and Wasantha P.L.P, Utilization of waste materials as aggregates in the manufacturing of masonry blocks, Engineer, Transactions, 105 th Annual Sessions of the Institution of Engineers, Sri Lanka, pp 94-101, October, 2011.                                                                                                            
  69. S.D.K.G. Singhapura, M.A.P.Perera , P.G.S.Chathushka and G.H.M.J,Subashi De Silva Investigation on Compressive strength of Masonry blocks manufactured using Crushed Coconut Shell. Proceedings of the International Conference on Structural Engineering, Construction and Management, 15-17 December 2011.                                                                                                                                                                                               
  70. B.H.J.Pushpakumara, S.B.K.D.K. Kapukotuwa and B.G.C.M. Samarasignhe, G.H.M.J.Subashi De Silva Effect of lime on characteristics of Rice Husk Ash (RHA) based masonry blocks, Proceedings of the International Conference on Structural Engineering, Construction and Management, 15-17 December 2011.                                                                                                                                                                                                                             
  71. S.A.N.S.Wickramasinghe, S.R.Masakorala, and E.A.T.P.Jayasinghe, G.H.M.J.Subashi De Silva, G.S.Y.De Silva, Investigation of damage on structures due to blast vibration. Proceedings of the International Conference on Structural Engineering, Construction and Management,15-17 December 2011.                                                       
  72. O.S.Chathurangani, W.J.M.K. Perera, H.M.N.S. Kumari, G.H.M.J.Subashi De Silva, G.S.Y.De Silva, Utilization of saw dust and coconut coir fibre for industrial noise controlling. Proceedings of the International Conference on Structural Engineering, Construction and Management,15-17 December 2011.                                                                                                                                                                                                                               
  73. C.N.Naotunna, ELAI Jayawardene, D A M Senevirathne, Sudhira De Silva and Subashi De Silva, Influence of actual environmental factors on shrinkage behavior of concrete containg mineral compounds. Proceeding of Young members Technical conference. Proceedings of the International Conference on Structural Engineering, Construction and Management,15-17 December 2011.                                                                                                                     
  74. S.A.N.S.Wickramasinghe, S.R.Masakorala, E.A.T.P.Jayasinghe,  G.H.M.J.Subashi, and G.S.Y.De Silva, Effect of Blast Vibration on Wall panels, Transactions, Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 23-28 , November 2011.                                                                                                                            
  75. S.D.K.G. Singhapura. M.A.P.Perera ., P.G.S. Chathushka  and Subashi De Silva G.H.M.J ,Crushed coconut shell as a replacement for coarse aggregates in manufacturing of masonry blocks, Transactions, Annual Sessions of the Society of Structural Engineers, Sri Lanka,  pp 29-34, November 2011.                                                                    
  76. B.H.J.Pushpakumara, S.B.K.D.K. Kapukotuwa and B.G.C.M. Samarasignhe and Subashi De Silva G.H.M.J. Potential use of Rice husk ash with Lime in the manufacturing of Masonry Blocks, Transactions, Annual Sessions of the Society of Structural Engineers, Sri Lanka, pp 45-51,November 2011.                                                          
  77. Jiffry I , G.H.M.J. Subashi , B.G.P.Nilantha and Y.S Kumara, Structural and thermal characteristics of Rice Husk Ash (RHA) based sand cement block, Proceedings of the International Conference on Sustainable Built Environment, Vol. 1, No.1, pp 138-144, 13-14 December 2010.                                                                   
  78. B.G.P Nilantha, I. Jiffry , Y.S. Kumara and G.H.M.J. Subashi, Use of Rice Husk Ash (RHA) for manufacturing of masonry blocks, Proceedings of the Young members Technical Conference, the 104 th Annual sessions of Institution of Engineers, Sri Lanka, October 2010.                                                                                             
  79. G.H.M.J.Subashi , G.H.A.C.Silva, J.J.Abesekara, K.P.A. Nishadi and L.V.D. Sanjeewa Green roof performance towards the cooling of buildings in tropical climates, Proceedings of the Eight Academic Sessions of University of Ruhuna,  pp 78-86, February 2010.                                                                                                                 
  80. G.H.M.J.Subashi, Wasantha P.L.P., Jayasuriya J.P.B. Kandage J.D., Properties of masonry blocks manufactured with crushed demolition waste, Proceeding of the Eight Academic Sessions of University of Ruhuna,  pp115-122, February 2010.                                                                                                                                            
  81. G.H.M.J.Subashi, Wasantha P.L.P., Jayasuriya J.P.B. Kandage J.D., Properties of masonry blocks manufactured with crushed demolition waste, Seventh Academic Sessions of University of Ruhuna, 17-18 March 2010.                                                                                                                                                                                               
  82. J.J Abesekara, K.P.A Nishadi, L.V.D Sanjeewa, G. H. M. J. Subashi and G.H.A.C Silva, Investigation of effect of extensive green roof systems on thermal performance of buildings under varying ventilation conditions, the 103 rd Annual sessions of Institute of Engineers Sri Lanka, October 2009.                                                                         
  83. Wasantha P.L.P., Jayasuriya J.P.B. Kandage J.D. and Subashi G.H.M.J., Investigation of strength characteristics and thermal performance of a block developed using crushed demolition waste, the 103 rd Annual sessions of Institute of Engineers, Sri Lanka, October 2009.                                                                                              
  84. G. H. M. Jimila Subashi , Yasunao Matsumoto, Effect of dynamic characteristics of the human body on dynamic performance of structure supporting the body, The 10 th Asia-Pacific Conference on Structural Engineering and Construction (EASEC), pp 333-339, August 2006.                                                                        

Abstract 

  1.  Ravishanka B.W.C., Shanaka M.M., De Silva G.S.Y. and Subashi G.H.M.J., “Assessment of Existing Bridges Using Bridge Management System”, Second Annual Research Symposium (ARS), Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, January 2015, pp. 2
  2.  Abeygunawardana N.T., Azam M.N.M., De Silva G.S.Y. and Subashi G.H.M.J., “Investigation of the Performance of Un-Reinforced Masonry Walls against Reversed Cyclic Loads”, Second Annual Research Symposium (ARS), Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, January 2015, pp. 3
  3. Ranatunga S.P., Pathirana H. P. C. P., Subashi De Silva G.H.M.J. and De Silva G.S.Y., “Effect of Whole body Vibration on the Health of Operators in Construction Sites”, Second Annual Research Symposium (ARS), Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, January 2015, pp. 4
  4. Jayawardhana W.A.P.D.,  Jayawardhana B.M.B.H., Subashi De Silva G.H.M.J. and De Silva G.S.Y., “Use of Waste Materials as Damping Layer to reduce Ground Vibration”, Second Annual Research Symposium (ARS), Faculty of Engineering, University of Ruhuna, Hapugala, Galle, Sri Lanka, January 2015, pp. 5
  5. V.H.P.Vitharana , G.H.M.J.Subashi De Silva. and G.S.Y. De Silva., “Workers awareness on the Acute and Chronic effects of Risk factors in building construction site”, Proceedings of 11th Academic Sessions of University of Ruhuna, pp 29, March 2014
  6. V.H.P.Vitharana , G.H.M.J.Subashi De Silva. and G.S.Y. De Silva “Noise and Whole Body exposures of construction workers in Building Construction Sites in Sri Lanka”, Proceedings of 1st Academic Research Symposium (2013), Faculty of Engineering, University of Ruhuna, January 2014 
  7. C. S. Walmsley, D.M.I.P Dissanayake, D. Paranavithana, G.H.M.J. Subashi De Silva, S.A. Sudath C Siriwardane, P.B.R. Dissanayake and Mitao Ohga, Vibration Measurement-based Simple Technique for Structural Health Monitoring of Steel Bridges in Sri Lanka. Proceeding of Conference on Sri Lanka Japan Collaborative Research 2013 (SLJCR 2013), March, 2013.
  8. A.S.M.Mendis, W.A.T.Nikeshala and G.H.M.J.Subashi De Silva, A comparison of the long term and short term performances of masonry blocks manufactured with waste materials, Proceedings of 10th Academic Sessions of University of Ruhuna, pp. 32,  March 2013.
  9. V.H.P.Vitharana , G.H.M.J.Subashi De Silva. and G.S.Y. De Silva Safety practices among construction workers and contractors in Sri Lanka, Proceedings of 10th Academic Sessions of University of Ruhuna, pp. 56, March 2013.
  10. W.S.W. Mendis, G.S.Y. De Silva. and G.H.M.J.Subashi De Silva, An economic technique for seismic retrofitting of existing masonry dwellings in Sri Lanka, Proceedings of 10th Academic Sessions of University of Ruhuna, pp. 32,  March 2013.
  11. B.H.J. Pushpakumara, G.S.Y. De Silva and G.H.M.J.S. De Silva, Use of repair mortars for corrosion prevention of existing reinforced concrete structures, Proceedings of 10th Academic Sessions of University of Ruhuna, pp. 52, March 2013.
  12. P.M.Ranawaka, G.S.Y. De Silva and G.H.M.J. Subashi De Silva Ground Vibration due to Precast Pile Driving in Mega Construction Projects”, Proceedings of International Conference on Sustainable Built Environment (ICSBE-2012),14-15 December 2012, paper no. SBE/12/201.
  13. K.M. Priyankara , R.M.O.B. Rajakaruna., G.S.Y. De Silva and G.H.M.J. Subashi De Silva Resistance to Shrinkage Cracking of Mineral Compound Mix Concrete under Actual Environmental Conditions, Proceedings of International Conference on Sustainable Built Environment (ICSBE-2012), 14-15 December 2012, paper no. SBE/12/167.
  14. G.H.M.J.Subashi De Silva, I.Jiffrey and B.H.J.Pushpakumara, Sustainable use of rice husk ash as block manufacturing material. Proceedings of the 9 th Academic Sessions of University of Ruhuna, February 2012

Conference Publications

  1.  C.N.Naotunna, ELAI Jayawardene, D A M Senevirathne, Sudhira De Silva and Subashi De Silva, Influence of actual environmental factors on shrinkage behavior of concrete containg mineral compounds. Proceeding of Young members Technical conference, the 105 th Annual Sessions of Institution of Engineers, Sri Lanka, October 2011.                                                                                                                                                                                   
  2. S.D.K.G Singhapura., M.A.P Perera., P.G.S Chathushka. and G.H.M.J Subashi De Silva, Use of crushed coconut shells for the replacement of coarse aggregates in manufacturing of masonry blocks. Proceeding of Young members Technical conference, the 105 th Annual Sessions of Institution of Engineers, Sri Lanka, October 2011.                                                                                                                                                                                      
  3. S.A.N.S.Wickramasinghe, S.R.Masakorala, E.A.T.P.Jayasinghe, G.H.M.J.Subashi De Silva and G.S.Y.De Silva.  Investigation of effect of blast vibration on masonry walls. Proceeding of Young members Technical conference, the 105 th Annual Sessions of Institution of Engineers, Sri Lanka, October 2011.                                                                                                                                                                                                                              
  4. O.S. Chathurangani,, G.H.M.J.Subashi de Silva, G.S.Y.De Silva, S. Jayakodi W.J.M.K. Perera, H.M.N.S. Kumari,, Utilization of saw dust, coconut coir fiber and rice straw for controlling industrial noise. Proceeding of Young members Technical conference, the 105 th Annual Sessions of Institution of Engineers, Sri Lanka, October 2011.                                                                                                                                                                                     
  5. J.J Abesekara, G. H. M. J. Subashi , G.H.A.C Silva K.P.A Nishadi, and L.V.D Sanjeewa, Thermal Performance of model buildings with extensive green roof systems. Proceedings of the International Exchange Symposium on Sustainable Infrastructure Development in Asia 2009 pp 120-126, September 2009.                                                                                                                                                                                                                               
  6. Wasantha P.L.P., Subashi G.H.M.J., Jayasuriya J.P.B. and Kandage J.D. Thermal comfort levels for occupants in domestics: Assessments through objective and subjective approach, Proceedings of the International Exchange Symposium on Sustainable Infrastructure Development in Asia 2009 pp 89-94, September 2009.                                                                                                                                                                                        
  7. Yasunao Matsumoto, G. H. M. Jimila Subashi, An investigation of non linearity in the dynamic response of the seated body exposed to sinusoidal whole-body vibration, Proceedings of the 4 th International Conference on Whole Body Vibration Injuries, June 2009.                                                                                                      
  8. Yasunao Matsumoto, G. H. M. Jimila Subashi , Effect of vibration magnitude on discomfort and transmissibilities during exposure to vertical whole-body vibration in frequency range 5 to 25 Hz, the 16 th Japan Conference on Human Response to Vibration, pp 48-62, August 2008.                                                                                     
  9. G. H. M. Jimila Subashi, Yasunao Matsumoto, Modelling the body motions associated with the resonances in the apparent masses of seated subjects exposed to fore-and-aft whole-body vibration, the 42 nd UK Conference on Human Response to Vibration, pp 233-246, September 2007.                                                                        
  10. G. H. M. Jimila Subashi , Yasunao Matsumoto, Comparison of the effect of vibration magnitude on subjective and dynamic responses to fore-and-aft sinusoidal whole-body vibration, the 15 th Japan Conference on Human Response to Vibration, pp 48-62, August 2007.                                                                                               
  11. G. H. M. Jimila Subashi, Yasunao Matsumoto, A mathematical model representing non-linear dynamic response of the human body in standing position to vertical whole-body vibration, The 41st UK Conference on Human Response to Vibration, pp183-197 September 2006.                                                                                          
  12. G. H. M. Jimila Subashi, Yasunao Matsumoto, Modelling the influence of lower limbs on principal resonance of standing body exposed to vertical whole-body vibration, The Eighth International Summer Symposium JSCE, pp 27-30 July 2006.                                                                                                                                     
  13. G. H. M. Jimila Subashi, Yasunao Matsumoto, Modelling the dynamic response of standing body in different postures during exposure to vertical vibration, The 13 th Japan Group Meeting on Human Response to Vibration, pp 151-166 August 2005.                                                                                                                           
  14. G. H. M. Jimila Subashi, Yasunao Matsumoto, Mechanisms associated with resonances of dynamic response of standing body during exposure to vertical vibration, The Seventh International Summer Symposium JSCE, pp 37-40 July 2005.                                                                                                                                            
  15. G. H. M. Jimila Subashi, Yasunao Matsumoto, Two-axis driving point dynamic response of standing body exposed to vertical vibration, the 39 th UK Conference on Human Response to Vibration, pp 183-197 September 2004.                                                                                                                                                                                        
  16. G. H. M. Jimila Subashi, Yasunao Matsumoto, Apparent mass of standing human at low vibration magnitudes, Proceedings of the Sixth International Summer Symposium JSCE, pp 73-77, July 2004.                                                                                                                                                                             
  17. G. H. M. Jimila Subashi, Thrishan Jayasinghe, Asitha Jayawardana, Passive techniques to reduce lifetime operating cost of dwelling units in the tropics, Proceedings of the Fifth International Summer Symposium JSCE, pp 61-65, July 2003.

Poster Presentation 

  • G.H.M.J.Subashi De Silva, G.S.Y.De Silva, O.S. Chathurangani, Investigation of wall surface material to reduce industrial noise. Proceedings of the Ninth Academic Sessions of University of Ruhuna, February 2012

Thesis

  • Dynamic Characteristics of the human body in standing position and its interaction with structure supporting the body Ph.D. Dissertation submitted to Department of Civil and Environmental Engineering, Saitama University, Japan, September 2005
  • Passive solar techniques for Sri Lanka Undergraduate research thesis submitted to the Department of Civil Engineering, University of Moratuwa, Sri Lanka, July 2000

 

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