Prof. W.P.S.Dias

BSc Eng(Sri Lanka),PhD(Lond),DIC,CEng,MIStructE,FIE(Sri Lanka)

Senior Professor and Head of the Department, Department of Civil Engineering,
University of Moratuwa


Contact Information:
 
Address:
Department of Civil Engineering,
University of Moratuwa,
Moratuwa, Sri Lanka.
 
e mail:  priyan@civil.mrt.ac.lk;
           head@civil.mrt.ac.lk


Telephone: +94-11-2650567(Ext.2119)
Fax:           + 94-11-2651216

 

 
       Profile
       Qualifications
       Positions Held	 
       Other Activities
       Awards Honours and Fellowships
       Refereed International Publications
       Refereed National Publications
       Monographs And Books   
       Reviewed Publications
       Major Lectures & General Articles
       Software Developed
       Research Grants
       Major Seminars,Short Courses Conducted
       Consultancy Assignments
       Publications On Education
       Non-Technical) Voluntary Service

Profile

Professor, Building & Structural Engineering Division, Department of Civil Engineering, University of Moratuwa, Moratuwa


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Qualifications

BSc(Eng)(Hons.)

University of Sri Lanka, 1980.

PhD

University of London, 1986.
DIC Imperial College of Science & Technology, London, 1986.
CEng, MIE(SL) Corporate Membership of the Institution of Engineers, Sri Lanka, 1991.
CEng, MIStructE Corporate Membership of the Institution of Structural Engineers, U.K., 1994.
FIE(SL) Fellowship of the Institution of Engineers, Sri Lanka, 1998.

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Positions Held
  • December 1998 to date - Professor of Civil Engineering, attached to the Division of Building & Structural Engineering, Department of Civil Engineering, University of Moratuwa, Moratuwa, Sri Lanka. (See below for description of work). August 1999 to August 2000 and May 2001 to August 2006: Head, Division of Building and Structural Engineering.
  • August 2000 to April 2001 - Visiting Research Fellow at the Institute for Complex Engineered Systems, Carnegie Mellon University, Pittsburgh, U.S.A. (Research Areas - Philosophy of Engineering and Engineering Design)
  • June 1995 to December 1998 - Associate Professor of Civil Engineering, attached to the Division of Building & Structural Engineering, Department of Civil Engineering, University of Moratuwa, Moratuwa, Sri Lanka. (See below for description of work).
  • June 1986 to June 1995 Senior Lecturer in Civil Engineering (Grade II from 1986-1992 and Grade I from 1992 to 1995), attached to the Division of Building & Structural Engineering, Department of Civil Engineering, University of Moratuwa, Moratuwa, Sri Lanka.
  • Work (from June 1986 to date) has included.
    - Teaching undergraduate and postgraduate courses in Structural Engineering, i.e. (i) Design of Concrete Structures (undergraduate), (ii) Structural Mechanics (undergraduate), (iii) Concrete Materials and Reinforced Concrete (postgraduate) and (iv) Design Methodology (postgraduate).
    - Teaching undergraduate and postgraduate courses in aspects of Artificial Intelligence, i.e. (i) Artificial Neural Networks and Genetic Algorithms (undergraduate), (ii) Artificial Intelligence for Industry (postgraduate).
    - Teaching postgraduate course in Infrastructure & Society on MBA program
    - Securing research grants and supervising research students.
    Consultancy in Materials testing, Structural investigations and Structural design, including co ordination of consultancy services offered by the Building and Structural Engineering Division.
    - Research in (i) Concrete Structures & Technology, (ii) Application of Artificial Intelligence Techniques in Civil Engineering and (iii) Philosophy of Engineering.
  • October 1992 to July 1993 Visiting Research Fellow in the Department of Civil Engineering, University of Bristol, Bristol, U.K. (General Research Area Civil Engineering Systems; Specific Research Areas Conceptual modelling, Philosophy of Engineering)
  • October 1982 to May 1986 Research Scholar at Imperial College of Science and Technology, University of London, while on study leave from the University of Moratuwa. (General research area Concrete Structures; Specific research topic Thermal Creep of Hardened Cement Paste.)
  • April 1981 to September 1982 Asst. Lecturer in Civil Engineering, University of Moratuwa, Sri Lanka. (Work included teaching undergraduate courses in Structural Engineering and Consultancy in Materials testing and Structural design.)
  • July 1978 to April, 1979 Engineering Trainee with Department of Buildings, Sri Lanka, attached to a multistorey building construction site.
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Other Activities

 

Administrative Positions at University of Moratuwa

- Student Counsellor, 1986-1992.
- Chairman, Engineering Research Unit (ERU), Faculty of Engineering, 1997-2004; Convenor, ERU, 1990-92; and member 1994-2004.
- Chairman, University-Industry Interaction Cell, Faculty of Engineering, since 2001.
- Co-ordinator, ERU Inter-disciplinary discussion group on Artificial Intelligence, 1998-2000.
- Member, Senate Research Committee, 1998-2004 and from 2006.
- Member, Academic Committee, Faculty of Engineering, University of Moratuwa, 1990-92.
- Member, University Senate, since 2000.
- Member, University of Moratuwa cricket team, 1987-91.
- Senior Treasurer of Student Christian Fellowship, 1986-2005.
- President of the University of Moratuwa Teachers' Association (UMTA) in 1995/96; Secretary in 1990/91; Member, Executive Committee 1989-92.
- Social Secretary of the Moratuwa University Staff Club, 1990/91.
- Chairman, Engineering faculty sub-committee on the NDT Programme, October 1993 to April 1994.
- Task Force Leader and Co-ordinator for Quality Enhancement Fund Grant Application and Implementation (Rs 68 million over 4 years), World Bank Project on Improving Relevance & Quality of Undergraduate Education (IRQUE), 2004 to date.

Professional Roles outside University of Moratuwa

- Editor of Modulus, the newsletter of the Society of Structural Engineers Sri Lanka, 1990/91, 1997 to 1998 and 2005; Committee member of the Society, 1990 to 1992, 1995 to 2000 and 2005.
- Member, University Grants Commission Task Force on Engineering Regional Colleges, 1990/91.
- Member, Council of the Institution of Engineers, Sri Lanka, 1991/92.
- Member, Sectoral Committee on Cement and Cement based Products, Sri Lanka Standards Institution, 1991-95.
- Visiting Lecturer, University of Colombo for course on Philosophy of Science, 1997.
- Member, Research Committee, National Building Research Organisation, 1998 to 2000.
- Sri Lanka Representative, Institution of Structural Engineers, U.K., since 1998.
- Member, International Committee for (Asian) Concrete Model Code, 1999-2001.
- Member, Conference Editorial Board, 5th, 6th, 7th, 8th Int. Conf. on the Application of Artificial Intelligence to Civil and Structural Engineering (Oxford 1999, Vienna 2001, Netherlands 2003, Rome 2005).
- Council Member, Sri Lanka Association for Artificial Intelligence as Chairman, Research Committee, 2002/03.
- Member, Joint Working Commission for Disaster Reduction on the Coasts of the Indian Ocean, since 2005
- Member, National Research Council (appointed by President), 2005 to date.
- Chairman, Advisory Committee on Development/Enforcement of Guidelines for Construction in Disaster Prone Areas, Disaster Management Centre, Sri Lanka, since 2006
- Member, NASTEC Study Group on improving working conditions of scientists
- Chairman, NASTEC Study Group to Formulate a Mechanism to Evaluate Technology, 2005
- Member, Editorial Board of Civil Engineering and Environmental Systems, 2005 to date
- Referee for
(i) Engineer, the Journal of the Institution of Engineeers, Sri Lanka.
(ii) Journal of the National Science Council, Sri Lanka.
(iii) Engineering, Construction and Architectural Management.
(iv) Asia Pacific Building and Construction Management Journal.
(v) American Concrete Institute Journal
(vi) Civil Engineering and Environmental Systems
.

International Consultancy Asignments

- Report on Capacity generation of the Ministry of Construction & Public Works to assess structural safety of government buildings and other important infrastructure in the Republic of Maldives, October 2001.

- Development of an Inorganic Polymer Concrete Material for Walling Units, for Strongwall International Ltd, Australia, April 2003 to September 2003.
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Awards Honours and Fellowships

- UNESCO Team Gold Medal for the best results in the B.Sc. Engineering Final Examination at the University of Moratuwa, 1978/79.
- Commonwealth Scholarship to pursue doctoral studies at Imperial College, University of London, 1982 1985.
- S.D. & C.C. Award for the best paper by an Associate Member under 35 years of age in the Engineer Journal of the Institution of Engineers, Sri Lanka, 1989/90. (Title Changes in the design of reinforced concrete structures introduced by BS 8110: 1985.)
- S.D. & C.C. Award for the best paper by an Associate Member under 35 years of age in the Engineer Journal of the Institution of Engineers, Sri Lanka, 1990/91. (Jointly with Dr. Mrs. M.T.P. Hettiarachchi; Title A cost comparison of some ground reservoir forms.)
- Commonwealth Fellowship to pursue post doctoral research at University of Bristol, U.K., 1992/93.
- NARESA merit award for scientific research, 1993. (Jointly with Dr. S.S.L. Hettiarachchi; Project - Investigations on coastal structures armoured with natural rock and concrete armour units).
- Award for the best article published in Modulus, the newsletter of the Society of Structural Engineers, Sri Lanka, 1994 (Title - Structural ductility and controlled progressive collapse).
- Award for the best answer given to a question raised in Modulus, the newsletter of the Society of Structural Engineers, Sri Lanka, 1995 (Subject - Foreign Codes of Practice).
- Third Prize for Institution of Engineers, Sri Lanka competition for paper on Water Related Infrastructure sponsored by St. Anthony's Industries Group, 1996 (Title - Design and performance of 11350 cu.m. rectangular Jubilee Reservoir in Sri Lanka).
- First Prize for Institution of Engineers, Sri Lanka competition for paper on Water Resources/ Water Management sponsored by International Irrigation Management Institute, 1998 (Title -The analysis of proposed change and stakeholder response - a case study).
- Sri Lanka Association for the Advancement of Science (SLAAS) General Research Committee award, 1998 (Research area - Factors affecting Sorptivity of Concrete).
- Fulbright Senior Scholar Award to pursue postdoctoral research at Carnegie Mellon University, Pittsburgh, U.S.A., 2000/01.
- Outstanding Research Performance Award (15 year duration), University of Moratuwa, Sri Lanka, 1999.
- Outstanding Research Performance Award (3 year duration), University of Moratuwa, Sri Lanka, 1999, 2000, 2001, 2002, 2003, 2004.
- President’s Research Award, 2000 (for publications in Science Citation Index journals; “cumulative index” =2.0); (Note cumulative index from 1997-2003 is 7.67)
- NSF merit award for scientific research, 2001. (Jointly with G.N. Kodagoda; Project - The feasibility of using product models for representing building information).

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Refereed International Publications
01.
Khoury, G.A., DIAS, W.P.S. and Sullivan, P.J.E. Deformation of concrete and cement paste loaded at constant temperatures from 140 C to 724 C. Materials and Structures: Research and Testing, Vol.19, No.110, 1986. pp.97 104.
02.
DIAS, W.P.S., Khoury, G.A. and Sullivan, P.J.E. Basic creep of unsealed hardened cement paste at temperatures between 20 C and 725 C. Magazine of Concrete Research, Vol.39, No.139, 1987. pp.93 101.
03.
DIAS, W.P.S., Khoury, G.A. and Sullivan, P.J.E. An activation energy approach for the temperature dependence of basic creep of hardened cement paste. Magazine of Concrete Research, Vol.39, No.140, 1987. pp.141 147.
04.
DIAS, W.P.S., Khoury, G.A. and Sullivan, P.J.E. Mechanical properties of hardened cement paste exposed to temperatures up to 700 C (1292 F). American Concrete Institute Materials Journal, Vol. 87, No. 2, March April 1990. pp.160 166.
05.
DIAS, W.P.S., Khoury, G.A. and Sullivan, P.J.E. Shrinkage of hardened cement paste at temperatures up to 670 C (1238 F). American Concrete Institute Materials Journal, Vol. 87, No. 3, May June 1990. pp.204 209.
06.
DIAS, W.P.S., Khoury, G.A. and Sullivan, P.J.E. The thermal and structural effects of elevated temperatures on the basic creep of hardened cement paste. Materials and Structures: Research and Testing, Vol. 23, 1990. pp. 418 425.
07.
DIAS, W.P.S. A circular organizational structure for project teams. ASCE Journal of Management in Engineering, Vol. 16, No. 4, October 1990. pp. 471 478.
08.
DIAS, W.P.S. and Hettiarachchi, M.T.P. A cost comparison of some elevated tank forms. Indian Concrete Journal, Vol. 66, January 1992. pp. 43 51.
09.
DIAS, W.P.S. Some properties of hardened cement paste and reinforcing bars upon cooling from elevated temperatures. Fire and Materials, Vol.16, No.1, January March 1992. pp. 29 35.
10.
DIAS, W.P.S. CONFAULT An expert system for fault diagnosis in reinforced concrete structures. Civil Engineering Systems, Vol. 9, 1992. pp. 147 160.
11.
DIAS, W.P.S. Durability indicators of OPC concretes subject to wick action. Magazine of Concrete Research, Vol. 45, No. 165, December 1993. pp.263-274.
12. DIAS, W.P.S. Structural failures and design philosophy. The Structural Engineer, Vol. 72, No. 2, Jan 18, 1994. pp.25-29.
13. DIAS, W.P.S., Jayanandana, A.D.C., Fonseka, M.C.M. and Perera, A.A.D.A.J. Distress in prestressed concrete roof girders at cement plant. ASCE Journal of Performance of Constructed Facilities, Vol. 8, No. 1, February 1994. pp. 6-15.
14. DIAS, W.P.S. Impact testing of hollow block armour units. Concrete International, Vol. 16, No. 6, June 1994, pp. 48-54.
15. DIAS, W.P.S. and Blockley, D.I. The integration of product and process models for design, Design Studies, Vol. 15, No. 4, October 1994, pp. 417-432.
16. DIAS, W.P.S. and Blockley, D.I. Reflective Practice in Engineering Design, ICE Proceedings on Civil Engineering, Vol. 108, Issue 4, November 1995, pp. 160-168.
17. DIAS, W.P.S. Multi-disciplinary product modelling of buildings, ASCE Journal of Computing in Civil Engineering, Vol. 10, No. 1, January 1996, pp. 78-86.
18. DIAS, W.P.S. and Weerasinghe, R.L.D. Artificial neural networks for construction bid decisions. Civil Engineering Systems, Vol. 13, 1996, pp. 239-253.
19. DIAS, W.P.S. Influence of curing method and duration on sorptivity of concrete and mortar, Paper SP170-55, in Durability of Concrete (ed. V.M. Malhotra), American Concrete Institute, Michigan, 1997, pp. 1073-1095.
20. DIAS, W.P.S. Sensitivity and Substitutability in Concrete Construction, Asia Pacific Building and Construction Management Journal, Vol. 2, No. 2, 1997.
21. DIAS, W.P.S. The analysis of proposed change and stakeholder response - a case study. Civil & Environmental Engineering Systems, Vol. 17, 2000, pp. 1-17.
22. DIAS, W.P.S. Reduction of concrete sorptivity with age through carbonation, Cement & Concrete Research, Vol. 30, 2000, pp. 1255-1261.
23. DIAS, W.P.S. and Pooliyadda, S.P. Neural networks for predicting properties of concretes with admixtures, Journal of Construction and Building Materials, Vol. 15, No. 7, 2001, pp. 371-379.
24. Kulasuriya, C., DIAS, W.P.S. and Hettiarachchi, M.T.P. The aesthetics of proportion in structural form, The Structural Engineer, Vol. 80, No. 14, 2002, pp. 22-27.
25. DIAS, W.P.S. and Jayanandana, A.D.C. Condition assessment of a deteriorated cement works, ASCE Journal of Performance of Constructed Facilities, Vol. 17, No. 4, 2003, pp. 188-195.
26. DIAS, W.P.S. Reflective Practice, Artificial Intelligence and Engineering Design: Common trends and inter-relationships, Artificial Intelligence in Engineering Design, Analysis and Manufacture (AIEDAM), Vol. 16, 2002, pp. 261-271.
27. DIAS, W.P.S. and Ekanayake, E.S. Engineering and society - the power of analogy, ICE Proceedings on Civil Engineering, ICE Proceedings on Civil Engineering, Vol. 150, No. 3, August 2002, pp. 134-139.
28. DIAS, W.P.S., Subrahmanian, E. and Monarch, I.A. Dimensions of order in engineering design organizations, Design Studies, Vol. 24, 2002, pp. 357-373.
29. DIAS, W.P.S. Nanayakkara, S.M.A. and Ekneligoda, T.C. Performance of concrete mixes with OPC-PFA blends, Magazine of Concrete Research, Vol. 55, No. 2, April 2003, pp. 161-170.
30. DIAS, W.P.S. Heidegger’s relevance for engineering: Questioning technology, Science and Engineering Ethics, Vol. 9, No. 3, 2003, pp. 389-396.
31. DIAS, W.P.S. Influence of mix and environment on plastic shrinkage cracking, Magazine of Concrete Research, Vol. 55, No. 4, August 2003, pp. 385-394.
32. DIAS, W.P.S. and Pooliyadda, S.P. Quality based energy contents and carbon coefficients for building materials: A systems approach, Energy, Vol. 29, No.4, 2004, pp. 561-580.
33. DIAS, W.P.S. Influence of drying on concrete sorptivity, Magazine of Concrete Research, Vol. 56, No. 9, November 2004, pp. 537-543.
34. DIAS, P., Dissanayake, R. and Chandratilake, R. Lessons learned from tsunami damage in Sri Lanka, ICE Proceedings on Civil Engineering, Vol. 159, No. 2, May 2006, pp. 74-81.
35. DIAS, W.P.S. and Mallikarachchi. H.M.Y.C. Tsunami - planning and design for disaster mitigation, The Structural Engineer, Vol. 84, 6 June 2006, pp. 25-29 (invited paper).
36. DIAS, W.P.S. Heidegger’s resonance with engineering: The primacy of practice, Science and Engineering Ethics, Vol. 12, No. 3, 2006, pp. 523-532.
37. Khazai, B., Franco, G., Ingram, J.C., Del Rio, C.R., DIAS, P., Dissanayake, R., Chandratilake, R. and Kanna, S.J. Post - December 2004 tsunami in Sri Lanka and its potential impacts on future vulnerability, Earthquake Spectra, Vol. 22, No. S3, June 2006, pages S829-S824.
38. DIAS, W.P.S. Engineering as cyclic problem solving - Some insights from Karl Popper, The Structural Engineer, scheduled for publication, December 2006.
39. DIAS, W.P.S. Philosophical grounding and computational formalization for practice based engineering knowledge, Knowledge Based Systems, accepted for publication.

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Refereed National Publications
01.
DIAS, W.P.S., Rayen, J.S., Senthilkumar, B., Premawardhana, C.S. and Thillainathan, S. Cement mortar roofing sheets reinforced with coir fibre. Engineer, Sri Lanka, December, 1986. pp.34 49.
02. DIAS, W.P.S. and Sivasubramaniyam, S. Assessment of floor slabs in the Bandaranaike Wing of the Colombo General Hospital. Engineer, Sri Lanka, September 1989. pp. 27 36.
03.
DIAS, W.P.S. Changes in the design of reinforced concrete structures introduced by BS 8110: 1985. Engineer, Sri Lanka, June 1990. pp. 51 63.
04. DIAS, W.P.S. and Hettiarachchi, M.T.P. A cost comparison of some ground reservoir forms. Engineer, Sri Lanka, December 1990. pp. 53 60.
05.
DIAS, W.P.S. Correlation of non destructive test results with concrete strength. Engineer, Sri Lanka, March 1991. pp. 3 13.
06.
DIAS, W.P.S., Mansur, U., Makewita, M.A.S.M. and Perera, J.A.A.K. A preliminary investigation into the safety factors and live loads for office and domestic buildings in Sri Lanka. Engineer, Sri Lanka, June 1991. pp. 19 31.
07.
DIAS, W.P.S. Specifying for concrete durability: Part I A critical review. Engineer, Sri Lanka, December 1991. pp. 51 63.
08.
DIAS, W.P.S. Specifying for concrete durability: Part II The Sri Lankan context. Engineer, Sri Lanka, 1992. pp. 4 24.
09.
DIAS, W.P.S. Concrete in the marine environment a review with emphasis on tropical coastal applications. Journal of the National Science Council, Sri Lanka, Vol. 21, No.1, 1993. pp.27-47.
10.
DIAS, W.P.S. and Danthanarayana, B.N. Development of a computerised estimating system for Sri Lankan building contractors (BUILDEST). Engineer, Sri Lanka, June 1993. pp.35-43.
11.
DIAS, W.P.S. Product modelling of buildings. Trans. Inst. of Engineers, Sri Lanka, 1993. pp. 134-151.
12. DIAS, W.P.S. and Nimal Priyantha, D.G. Performance of right angled reinforced concrete corner joints subject to opening moments. Engineer, Sri Lanka, December 1993. pp. 3-14.
13. DIAS, W.P.S. Influence of mix constituents and workmanship factors on concrete strength and durability. Engineer, Sri Lanka, June 1994, pp. 3-18.
14. DIAS, W.P.S. Structural appraisal of reinforced concrete buildings from in-situ material properties - some issues and insights. Transactions, Inst. of Engineers, Sri Lanka, 1994. pp. 129-145.
15. DIAS, W.P.S. and Weerasinghe, R.L.D. Bidding behaviour of Sri Lankan contractors. Engineer, Sri Lanka, December 1995, pp. 5-17.
16. DIAS, W.P.S. and Hettiarachchi, S.S.L. An object oriented systems approach for modelling estuarial and costal sand budgets, Engineer, Sri Lanka, June 1996, pp. 19-29.
17. DIAS, W.P.S. and Al-Kabbani, I. Design and performance of 11350 cu.m. rectangular jubilee reservoir in Sri Lanka, Engineer, Sri Lanka, June 1997, pp.74-81.
18. DIAS, W.P.S. An example of data transformation for backpropagation neural networks, Engineer, Sri Lanka, September 2000, pp. 33-38.
19. Kulasuriya, C., DIAS, W.P.S. and Hettiarachchi, M.T.P. Development and evaluation of the aesthetics of structural form, Research for Industry, Engineering Research Unit, University of Moratuwa, 2000, pp. 63-79.
20. Pooliyadda, S.P. and DIAS, W.P.S. The significance of embedded energy for buildings in a tropical country, Engineer, Sri Lanka, September 2001, pp. 25-35. (Also in The Structural Engineer, Vol. 83, No. 11, pp. 34-36, 7 Jun 2005 and International Conference on Global Construction: Ultimate Concrete Opportunities, Dundee, Scotland, July 2005)
21. Kodagoda, G.N. and DIAS, W.P.S. An interacting multidisciplinary building product model, Engineer, Sri Lanka, September 2001, pp. 36-44.
22. DIAS, W.P.S. Some properties of plasticised mortars used as plasters, Engineer, Vol. 36, No. 2, April 2003, pp. 20-25.

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Monographs And Books (published ones in bold face)
01.
DIAS, W.P.S. Time dependent deformations of hardened cement paste from 20 C to 725 C. PhD. thesis, University of London, 1986. 398 pp.
02.
DIAS, W.P.S. et al. Studies on design of ground reservoirs and elevated tanks, Dept. of Civil Engineering, University of Moratuwa, Sri Lanka, April 1989. 223 pp.
03.
Hettiarachchi, S.S.L. and DIAS, W.P.S. Investigations on the performance of coastal structures armoured with natural rock and concrete armour units, Dept. of Civil Engineering, University of Moratuwa, Sri Lanka, December 1992.
04.
DIAS, W.P.S. Reinforced Concrete Design (5 chapters) in DIAS, W.P.S. and Hettiarachchi, M.T.P. Structural Design, CEU 4306, Level 6, Block 1-A, Open University, 1992.
05.
DIAS, W.P.S. Graded examples in reinforced concrete design, Society of Structural Engineers - Sri Lanka, Colombo, 1995.
06.
Karunaratne, S. and DIAS, W.P.S. (eds.) University of Moratuwa: History: 1972-1997, University of Moratuwa, 1997.
07.
DIAS, W.P.S. Graded examples in reinforced concrete design, Second edition, Asian Center for Engineering Computations and Software, AIT, Bangkok, 1998.
08.
DIAS, W.P.S., Perera, A.A.D.A.J., Nanayakkara, S.M.A., Sahayan, S.J.M. and Sathyaprasad, I.M.S. Interim Sand Study (Alternatives for River Sand), Dept. of Civil Engineering, University of Moratuwa, September 1999.
09.
DIAS, W.P.S. and Kodagoda, G.N. Product models for building information, Research Report submitted to NSF, Sri Lanka, December 1999.
10.
DIAS, W.P.S., Nanayakkara, S.M.A., Ekneligoda, T.C., De Silva, W.S.A. and Fernando, H.B.S. Properties of PFA blended cement in concrete, submitted to Puttalam Cement Company Limited, January 2000.
11.
DIAS, W.P.S., Nanayakkara, S.M.A., Seneviratne, G.A.P.S.N. and Nanthanan, T. Properties of concrete and plaster made using offshore sand, manufactured sand and quarry dust, submitted to Coastal Resources Management Project, Sri Lanka, September 2002.

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Reviewed Publications
01.
DIAS, W.P.S., Khoury, G.A and Sullivan, P.J.E. Upper and lower bounds for the elevated temperature creep of hardened cement paste. Paper H 2/10, 9th Int. Conf. on Structural Mechanics in Reactor Technology, Lausanne, Switzerland, August 1987.
02.
DIAS, W.P.S. and Niles, D.R. An educational software package in Structural Engineering. Proceedings, 8th National Computer Conference, Colombo, Sri Lanka, January 1988.
03.
DIAS, W.P.S. Condemnation of a partially completed grandstand structure. Proc. Int. Conf. on Case Histories in Structural Failures, Singapore, March 1989.
04.
DIAS, W.P.S. Mix design considerations for unreinforced concrete armour units in a tropical developing country. Proc. 3rd Int. Conf. on Coastal and Port Engineering in Developing Countries (COPEDEC III), Mombasa, Kenya, September 1991. pp.638 648.
05.
DIAS, W.P.S. A survey of some Sri Lankan batching plant records. Int. Conf. on The Concrete Future, Kuala Lumpur, Malaysia, February 1992. pp. 33 40.
06.
DIAS, W.P.S. Structural ductility and controlled progressive collapse. Modulus, Vol. 5, No. 2, Society of Structural Engineers, Sri Lanka, June 1994.
07.
DIAS, W.P.S. Discussion on "Influence of surface finish on sorptivity of concrete by W.J. McCarter". ASCE Journal of Civil Engineering Materials, Vol. 6, No. 2, May 1994.
08.
DIAS, W.P.S. and Blockley, D.I. Discussion on "Galileo's confirmation of a false hypothesis: a paradigm of logical error in design by Henry Petroski". Civil Engineering Systems, Vol. 11, pp. 75-77, 1994.
09.
DIAS, W.P.S. Sorptivity testing for assessing concrete quality. Proc. Int. Conf. on Concrete under Severe Exposure Conditions (CONSEC'95), Sapporo, Japan, E.& F.N. Spon, London, August 1995, pp. 433-442.
10.
DIAS, W.P.S. and Hettiarachchi, S.S.L. A systems approach for modelling the sediment budget in coastal erosion. Proc. 4th Int. Conf. on Coastal and Port Engineering in Developing Countries (COPEDEC IV), Rio de Janeiro, September 1995, pp. 552-565.
11.
DIAS, W.P.S. Design from breakdowns: The integration of design and diagnosis, in Information Technology in Civil and Structural Engineering Design (eds. B. Kumar, I.A. MacLeod and A. Retik), Inverleith Spottiswoode, Edinburgh, 1996, pp. 77-80.
12. DIAS, W.P.S. and Bamunusinghe, A. Energy and environmental audit of building materials. Open University Review of Engineering Technology, Vol. 3, No. 1, Part 1, March 1997, pp. 94-101.
13. DIAS, W.P.S. Discussion on "Engineering on the right by D.M. Brohn", Structural Engineer, Vol. 75, No. 9, 6 May 1997, pp. 159-160.
14. DIAS, W.P.S. Assessment of structures in distress. Seminar on Concrete Repair, Strengthening, Fire & Blastproofing, Society of Structural Engineers, Colombo, July 1998.
15. DIAS, W.P.S. Effect of data transformation on artificial neural networks. Proceedings, Sri Lanka Association for the Advancement of Science, 1998 (Abstract only).
16. DIAS, W.P.S. Computational implementations of hierarchical structures in building design and structural engineering. Proceedings, Sri Lanka Association for the Advancement of Science, 1998 (Abstract only).
17. DIAS, W.P.S. Concrete technology in Sri Lanka. Seminar on Special Application Cements, Society of Structural Engineers, Colombo, January 1999.
18. DIAS, W.P.S. The use of concrete design codes across national boundaries, IABSE Colloquium Report on “Concrete Model Code for Asia”, Vol. 80, Phuket, Thailand, 1999, pp. 54-59
19. DIAS, W.P.S. and Ekanayake, E.S. A structural engineering analogy for the vulnerability of communities, Proceedings, Sri Lanka Association for the Advancement of Science, 1999 (abstract only).
20. DIAS, W.P.S., Pooliyadda, S.P. and Kodagoda, G.N. Energy database for building materials, Proceedings, Sri Lanka Association for the Advancement of Science, 1999 (abstract only).
21. DIAS, W.P.S., Nanayakkara, S.M.A., Ekneligoda, T.C., De Silva, W.S.A. and Fernando, H.B.S. Properties of PFA blended cement in concrete, International Symposium on Asian Concrete Model Code, Colombo, Sri Lanka, March 2000, pp. 54-73.
22. DIAS, W.P.S. Practice based knowledge: from craftsman to engineer, Proceedings, Sri Lanka Association for the Advancement of Science, 2001 (abstract only).
23. DIAS, W.P.S. Discussion on “Mechanical Properties of old concrete using destructive and ultrasonic non-destructive testing methods by I.N. Prassianakis & P.Giokas”, Magazine of Concrete Research, Vol. 56, No. 5, pp. 311-312, June 2004.
24. Chandratilake, S.R. and DIAS, W.P.S. Identifying vulnerability to blast loading using grounded theory, Engineering Research Unit Symposium on Research for Industry, August 2004.
25. DIAS, W.P.S. Discussion of “Do ethics matter? by D. Blockley”, The Structural Engineer, Vol. 83, No. 14, p. 38, 19 Jul 2005.
26. DIAS, W.P.S. and S.R. Chandratilake, Assessing vulnerability of buildings to blast using interval probability theory, 8th Int. Conf. on the Application of Artificial Intelligence to Civil, Structural and Environmental Engineering, Rome, 30 Aug to 2 Sep, 2005.
27. DIAS, W.P.S. and Padukka, U.A. AI techniques for preliminary design decisions on column spacing and sizing, 8th Int. Conf. on the Application of Artificial Intelligence to Civil, Structural and Environmental Engineering, Rome, 30 Aug to 2 Sep, 2005.
28. DIAS, P., Fernando, L., Wathurapatha, S. and De Silva, Y. Structural resistance against sliding, overturning and scouring caused by tsunamis, Int Conf on Disaster Reduction on Coasts, Melbourne, November 2005.
29. I.N. Jayatilake, W.P.S. DIAS, M.T.R. Jayasinghe and D.P. Thambiratnam, Influence of Setbacks on the Performance of High-Rise Buildings under Blast Loadings, 2nd International Conference on Design and Analysis of Protective Structures, Singapore, November 2006.

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Major Lectures & General Articles
01.
University based engineering research and local industry. Seminar on "Utilisation of Engineering Concepts and Research in Local Industry", Institution of Engineers, Sri Lanka, October 1993.
02.
Marrying research and industry - a vital task, Ceylon Daily News, Thursday 13 and Friday 14 January, 1994.
03.
Failures are the Pillars of Success - Structural failures and design philosophy. Public Lecture arranged by British Scholars association, May 1994.
04.
The Construction Industry and Biodiversity, Workshop for Professionals in the Construction Industry, Biodiversity Skills Enhancement Project, Trans Asia Hotel, October 1996.
05.
Are Engineers Scientists? Ceylon Daily News Supplement for University of Moratuwa Silver Jubilee, February 14, 1997.
06.
Environmentally sensitive Design and Construction - Question Time, Society of Structural Engineers, April 1997.
07.
Concrete Technology in Sri Lanka - some Issues and Problems. Seminar on "Concrete Technology - Present and Future", Institute for Construction Training & Development, November 1997.
08.
The partial myth of scientific objectivity. The Island, 16 June 1998.
09.
Design of Buildings against Bomb Blast, Industrial Security Foundation, November 1999.
10.
Non destructive testing of concrete in Sri Lanka, Society of Structural Engineers Symposium, Kandy, November 1999.
11.
Constructing a Philosophy of Engineering - lecture delivered at (i) Williams College, Williamstown, MA (October 2000), (ii) Institute for Complex Engineered Systems, Carnegie Mellon University, Pittsburgh, PA (March 2001), (iii) Centre for Philosophy of Science, University of Pittsburgh, PA (April 2001), (iv) Civil Engineering Seminar, Johns Hopkins University, Baltimore, MD (May 2001), (v) School of Civil Engineering, Nanyang Technological University, Singapore (June 2004), (vi) Department of Civil Engineering, National University of Singapore (July 2004), (vii) Faculty of Engineering, University of Cambridge (June 2006).
12. Promoting Science and Technology in Sri Lanka, The Island, 3 January 2003.
13. Sustainable Construction of Buildings at Risk from Natural Disasters in the Post-Tsunami Period, Queensland University of Technology, 22 November 2005, Brisbane, Australia
14. Tsunami-Sustainable Construction of Buildings at Risk from Natural Disasters, Institution of Structural Engineers, Queensland Division & The Structural Branch, Engineers Australia, Queensland Division, 22 November 2005, Brisbane, Australia
15. Tsunami - planning and design for disaster mitigation, The Institution of Structural Engineers Headquarters, London, U.K. 22 June 2006.
16. New Material for Concrete, Sessional Keynote Address, International Conference on New Technologies for the 21st Century, Institution of Engineers, Sri Lanka, October 2006

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Software Developed
01.
DIAS, W.P.S. and Niles, D.R. CANTDEF - An educational software package for Cantilever Deflections, for teaching at the University of Moratuwa, 1988.
02.
DIAS, W.P.S. and Danthanarayana, B.N. BUILDEST - A computerised estimating system for Sri Lankan building contractors, for Institute of Construction Training & Development, 1993.
03. DIAS, W.P.S. CUSARC - Cumulative Sum Analysis for Ready-Mixed Concrete, for Sanken Lanka Ltd., December 1997.
04.
Kodagoda, G.N. and DIAS, W.P.S. PROMOD - A product model for architectural and structural aspects of a building, written in Delphi, December 1999.

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Research Grants
01.
Studies on design of ground reservoirs and elevated tanks. Contract No. T & C/R/409/88 under NWSDB/USAID Water Supply and Sanitation Sector Project (AID Project 383 0088), Rs. 278,500 over 6 months, April 1988.
02.
Investigations on the performance of coastal structures armoured with natural rock and concrete armour units. Grant No. RG/89/E/2, Natural Resources, Energy & Science Authority (NARESA). Rs. 141,000 over 2 years, February 1989. (Jointly with Dr. S.S.L. Hettiarachchi).
03. Development of a computerised estimating system for Sri Lankan building contractors. Institute for Construction Training and Development (ICTAD) and International Labour Organisation (ILO). Rs. 30,000 over 12 months, April 1991.
04.
Energy and environmental audit of building materials. Energy Conservation Fund. Rs. 440,000 over 2 years, October 1995 (MPhil project).
05. The feasibility of using product models for representing building information. Natural Resources, Energy and Science Authority (NARESA). Rs. 160,000 over 2 years, December 1995 (MPhil project).
06. Interim Sand Study (Study on alleviating impacts of river sand mining, primarily by investigating alternatives for river sand in construction). Central Environmental Authority. Rs. 770,000 over 6 months, December 1996.
07. Properties of Fly ash Concrete. Puttalam Cement Company Limited. Rs 640,000 over 6 months, June 1999.
08. Properties of Concrete and Plaster made using Offshore sand, Manufactured sand and Quarry dust. ANZDEC Ltd. Rs. 1,428,000 over 6 months, December 2001.
09. Development of an Inorganic Polymer Concrete Material for Walling Units. Strongwall International Ltd, Australia, Aus$ 30,000 over 6 months, April 2003.
10. Modelling of tsunami loads and resistance, University of Moratuwa, Rs 190,000 over 2 years, December 2005.

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Major Seminars/Short Courses Organised/Conducted
01.
National Training Programme on An Instructional Package in Concrete Technology, held at the Dept. of Civil Engineering, University of Moratuwa, sponsored by UNESCO, November 1986 (Co-ordinator/ Resource Person).
02.
Microcomputer workshop for Structural Engineering Application and Practice (M/SEAP-10), in association with Asian Centre for Engineering Computations and Software (ACECOMS), Asian Institute of Technology (AIT), Bangkok, in collaboration with Dept. of Civil Engineering, University of Peradeniya, held at Institute of Computer Technology, University of Colombo, December 1996 (Co-ordinator).
03. Seminar on Alternatives for River Sand, in collaboration with Institute of Construction Training and Development (ICTAD) and Coast Conservation Department (CCD), ICTAD Auditorium, May 1997 (Co-ordinator/ Resource Person).
04.
Short Course (4 days) on Advanced Concrete Technology, Department of Civil Engineering, University of Moratuwa, 2002 (Resource Person).
05. Short Course (3 days) on Structural Dynamics, Department of Civil Engineering, University of Moratuwa, November 2002 (Co-ordinator).
06. Workshop on Artificial Neural Networks for Civil Engineering Applications, Department of Civil Engineering, University Putra Malaysia, Selangor, Malaysia, 9 November 2005 (Resource Person)

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Consultancy Assignments

(Structural Design)

01.
Design of 1000 cubic metre ground reservoir for Coast Conservation Division, 1982 functioned as junior partner in this assignment involving design to BS 5337:1976 and production of working drawings.
02.
Studies on Ground Reservoirs and Elevated Tanks for National Water Supply and Drainage Board, June 1988 to April 1989 functioned as Project Manager in this contract research project involving structural design and cost evaluation for optimum tank forms, co ordinating the work of 4 engineers an 3 field staff.
03. Design review of proposed Jubilee Reservoir for Engineering Science Ltd. and National Water Supply and Drainage Board, September 1991 to April 1992 functioned as Structural Engineering Consultant for Engineering Science Ltd., in checking design calculations and drawings submitted by Josef Riepl Inc. of a 11,350 cu.m. rectangular ground reservoir.
04.
Design review of proposed 1400 cu.m. Intze elevated water tank at Kalmunai for Environmental Engineering Consultants Ltd, July 1994 - functioned as independent checking engineer.
05. Design review of proposed Steel Portal Frame industrial building with gantry crane, January-February 1995 - functioned as Structural Engineering Consultant for Engineering Consultants Ltd., in checking calculations and drawings submitted by Project Engineering Consultants Ltd.
06. Condition report on buildings at Royal Ceramics Ltd. factory at Eheliyagoda, July 1995 - functioned as Structural Engineering Consultant in checking key elements, proposing minor rectifications and documenting as built drawings.
07. Checking of Specialist Centre Building at James Peiris Mawatha, Colombo 2, for Maga Engineering (Pte) Ltd., September 1995 - functioned as independent checking engineer, making limited spot checks on the structural design and construction quality.
08. Design Review of Tea Factory at Nivithigala for Tea Smallholder Factories Ltd., John Keels Holdings, January 1998 - functioned as independent checking engineer in a turnkey precast concrete project.
09. Design of prestressing bed for State Development & Construction Corporation, September 1998 - carried out design of base, including soil-structure interaction.
10. Expert opinion on structural system for Sahaspura Housing Project, February 2000 - involved commenting on a structural system for a multi-storey building.
11. Expert opinion on swimming pool for D.S. Senanayake College, for Department of Buildings, November 2002 - involved commenting on structural scheme and joint details.
12. Structural condition report on Crescat Apartment Building, May 2004 - involved inspection of structural form, especially for lateral loads.

 

(Feasibility Reports)

01. Feasibility of using welded wire fabric of various forms in the construction industry for Macsons Industries, June 1987 to July 1987 functioned as consultant, preparing 4 reports based on experimental results, cost surveys and structural designs.
02. Investigation on the adequacy of an aluminium window system for withstanding wind loading, for Uniarc (pvt.) Ltd., January 1993 - involved design calculations and laboratory testing.
03. Cost saving alterations in Type C house plans for Ceylinco Homes International's Attidiya housing project, for Ceylinco Homes International Ltd., April 1995 - involved design checking and proposing alternatives.
04. Guidelines for selection of structurally efficient and economic structural forms for domestic buildings, for Ceylinco Homes International Ltd., May 1995 - involved conceptual and detailed design and optimisation studies.
05. Proposal for non-crack concrete mix design for grade 25 concrete, for Sanken Lanka (Pte) Ltd., August 1995 - involved mix design and testing for workability, strength and shrinkage.
06. Concrete Quality Improvement Programme, for Sanken Lanka Ltd., November 1995 to 2000 - involved upgrading concrete production quality, through mix designs and monitoring of batching plant data; also involved development of CUSUM software on a spreadsheet.
07. Report on Capacity generation of the Ministry of Construction & Public Works to assess structural safety of government buildings and other important infrastructure in the Republic of Maldives, October 2001.
08. Report on Useful Life of Buildings, for Sri Lanka Accounting and Auditing Standards Monitoring Board, June 2003 - involved preparation of guidelines for estimating service life of buildings.
09. Properties of concrete mixes containing the admixture Kalmatron KF-Sea, for Finco Ltd, October 2005 - involved strength and corrosion testing.

 

(Structural Investigations)

01. Inspection of cracked floor beam at Podujaya Vidyalaya, Angulana for Ministry of Education, March 1987 involved ascertaining cause of failure and specifying remedial measures.
02. Inspection of partially completed grandstand structure at Bandaragama for Messrs. Jayaratne Contractors, Dec. 1987 involved non destructive testing of structure after failure of cube test results.
03. Load testing of floor slab at Maradana Exchange for Telecommunications Dept., June 1988 involved dummy loading of cracked floor slab and ascertaining the safety of the slab for the subsequent specified use.
04. Inspection of fire damaged structure for Colombo South Regional Transport Board, August 1988 involved on site inspection and laboratory testing of specimens.
05. Load testing of floor slab at C.W.E. building, Naranhenpita, September 1988 involved water loading and deflection monitoring of a floor slab to be used for a purpose different to that designed for.
06. Inspection of floor slabs at Colombo General Hospital, September 1988 involved coring and chemical analysis of samples to determine the condition of floor slabs during an overall rehabilitation programme.
07. Investigation of damaged reservoir roofs for National Water Supply and Drainage Board, July, 1989 involved site inspection, testing of core samples and proposing remedial measures after analysing of existing and proposed structures.
08. Investigation of District Switching Centre, Amparai, March 1990 involved in situ and lab testing, analysis of results, proposal of remedial measures and checking design for a partially completed structure of inferior quality.
09. Investigation of Prestressed Concrete Trusses at Puttalam Cement Works for Cement Corporation, December 1990 involved non destructive and lab testing, checking of design, diagnosis of cause for cracks in girders and proposal of remedial measures.
10. Investigation of cracking at Superior Courts Complex, July 1991 involved visual inspection, assessment of structural drawings, monitoring of cracks and proposal of remedial measures.
11. Investigation of cracks in floor slab at Bandaranayake Maha Vidyalaya, Gampaha for Ministry of Education, August 1991 involved non-destructive assessment of reinforcement spacing and cover.
12. Investigation of deteriorated concrete at Norton Bridge for Ceylon Electricity Board, September 1991 involved visual inspection, water quality testing and proposal for further investigations.
13. Investigation of existing building for new occupant for State Engineering Corporation and People's Bank, March 1994 - involved core testing, pulse velocity testing and covermeter surveys to determine in-situ material properties.
14. Load testing of floor and tier slabs in Reid Avenue Racecourse Grandstand for Department of Buildings, July 1994 - involved loading by sandbags and deflection monitoring of typical critical slabs prior to renovation.
15. Investigation of fractured core extracted from pile for KeangNam Ltd., January 1995 - involved sorptivity and core testing to comment on the distribution of concrete quality in a pile suspected of having had tremie problems during concreting.
16. Testing of core samples from floors of Bank of Ceylon York Street Building for Bank of Ceylon, March 1995 - involved testing of concrete over 100 years old.
17. Investigations on the proposed Matara Shopping Complex Building for State Engineering Corporation, January 1996 - involved diagnosis of cracking on ground floor walls of proposed two storey structure, and recommendations for further construction.
18. Condition report on Ruhuna University hostel constructed by NERD Centre for University of Ruhuna, January 1996 - involved diagnosis of cracking and recommendations regarding safety and further use of similar technology.
19. Investigation of plastic shrinkage cracks on factory building, for Cadillac Garments Ltd., May 1996 - involved visual inspection, load testing and proposal of remedial measures.
20. Condition report on Sethsiripaya administrative complex, Battaramulla for State Engineering Corporation, July 1996 - involved sampling of structure for material properties by core testing and in-situ pulse velocity and covermeter testing, and interpretation of results.
21. Diagnosis of cracking in suspended ground floor slab at Anchor Factory for Design Consortium Ltd, May 1997 - involved visual inspection, analysis of construction sequence and shrinkage estimation.
22. Structural assessment of damaged tiled floor slab for Hatton National Bank, May 1997 - involved load testing and deflection calculations, in conjunction with Surath Wickramasinghe Associates.
23. Structural assessment of partially completed Maradana Mosque, October 1997 - involved core testing, reinforcement testing, dimensional checks and structural analysis of continuous beam with 47 foot central span.
24. Structural assessment of buildings at Angoda Mental Hospital for Ministry of Health, March 1998 - involved core testing (including sorptivity) and design checking of a 70 year old building.
25. Feasibility of additional storeys in building for Upali Garments, April 1998 - involved core testing and out of plumb measurements for a two storey structure with differential settlements.
26. Core tests and in-situ investigations for assessment of structures at Puttalam Cement Works for Puttalam Cement Company Ltd., April 1998 - involved carrying out and interpreting visual inspection, core testing (including sorptivity), ultrasonic pulse velocity measurements, covermeter surveys and chemical analyses prior to assessing condition of structures and recommending measures for rehabilitation.
27. Investigation of corrosion damage at Riverina Hotel, May 1998 - involved inspection and testing for carbonation and chlorides.
28. Checking of factory floor at Smart Shirts Ltd., October 1998 - involved carrying out visual inspection, non destructive testing (USPV and covermeter), core testing and design checking of suspended factory floor to be commissioned for garment producing operations.
29. Distress in factory building at FMJ Plastics Ltd., December 1998 - involved inspection and design checking of 3 storey factory building severely under-designed in both structural and geotechnical aspects, and recommending remedial measures.
30. Inspection of Hotel Sunflower, Negombo, February 1999 - involved in-situ measurements for durability aspects, in connection with a change of use of the 25 year old building.
31. Defects in the building for theatre for cardiac operations, National Hospital, Colombo, April 1999 - involved diagnosis of thermal cracking in walls and proposals for remedy.
32. Structural assessment of Jaffna Main Library building, June 1999 - involved inspection, classification of damage and proposing remedial measures for building subjected to fire, corrosion and blast damage.
33. Condition report on building at Institute of Aesthetic Studies, June 1999 - involved checking 100 year old concrete flat roof and sunshades for corrosion and delamination, and proposing remedial measures.
34. Investigation of distress in three storey building at Ananda Balika Vidyalaya, Colombo 10, July 1999 - involved inspection of settlement and poor quality concrete, and proposals for strengthening foundations and jacketing columns.
35. Report on Distress in Enamel Plant Extension, for Kelani Cables Ltd., July 1999 - involved inspection of single storey structure subjected to severe differential settlement, and proposal of remedial measures.
36. Distress in factory building at Koggala Export Processing Zone, for Board of Investment, August 1999 - involved inspection of partition wall cracking due to settlement, and proposal of remedial measures.
37. Fire damage to stores and office building at Ocean Lanka, Biyagama IPZ, for STRAD Consultants, September 1999 - involved assessment of fire damage to reinforced concrete elements and proposing remedial measures.
38. Load testing of portico slab at National Institute of Business Management, September 1999 - involved load testing, in situ testing and design checking to ascertain capacity for change of use.
39. Cracking in floor slab of bus terminal building at Koggala EPZ, May 2000 - involved inspecting cracks in a floor slab functioning as a roof slab.
40. Correction of defects in swimming pool at Police Sports Complex, Narahenpita, July 2001 - involved site inspection, design review and proposing remedial measures.
41. Checking of collapsed 10 m/ 225 kg transmission pole at Madampe, for Ceylon Electricity Board, September 2001 - involved site inspection, core testing and design check of fractured prestressed concrete transmission pole.
42. Checking of Baur’s tenements on Grandpass Road, for A. Baur & Co., October 2001 - involved site inspection, rebound hammer and core testing, design checking and refurbishment recommendations for 65 year old steel framed building with concrete floor.
43. Survey of deteriorated buildings at Buddhist Girls’ School, Mt. Lavinia, for Provincial Engineering Organization (W.P), July 2002 - involved inspection of chloride induced corrosion affected buildings, and proposing remedial measures.
44. Investigation of suspended floor in Fergasam Garment Factory at Dematagoda, September 2002 - involved adequacy checking of existing slab and proposing strengthening measures.
45. Investigation of cracks at Cardiac Centre, Karapitiya Hospital, for Ministry of Health, October 2002 - involved inspection and proposing remedial measures for non-structural cracks in operating theatre.
46. Condition Report on Law College Hostel, Rajagiriya, November 2002 - involved inspection of moisture affected building and proposing remedial measures.
47. Condition Report on Mona Plastics Building at Attidiya Road, Ratmalana, April 2003 - involved inspection of corrosion (and chloride) affected building, using in-situ corrosion monitoring tests, and proposing remedial measures.
48. Structural assessment of JAIC Hilton Building, for STRAD Consultants, July 2003 - involved commenting on structural form and performing in-situ tests.
49. Structural appraisal and recommendations for Milco Factory Buildings, Narahenpita, October 2003 - involved serviceability load testing, structural modeling and recommendations for repair of 50 year old building.
50. Inspection of top surface crack widths on elevated water tank foundations in Ampara district, February 2004 - involved comparative site inspections and recommendations.
51. Investigation of deteriorated building at Katubedda Bodhiraja Maha Vidyalaya, March 2004 - involved carbonation, chloride and half-cell potential testing.
52. Investigation of fire damage to concrete columns and platform of steam turbine foundation, AES Kelanitissa power plant, June 2004 - involved visual inspection and core test interpretation.
53. Assessment of fire damage to roof and other structural steel elements - AES Kelanitissa power plant, June 2004 - involved interpretation of Brinell hardness surveys and modeling of trusses based on deflection surveys.
54. Assessment of extent of damage in house at 23, 40th Lane, Colombo 6, August 2004 for Colombo District Court - involved crack mapping and measurement of inclination in house affected by adjacent construction.
55. Allowable loads for fabric warehouse and accessory stores, Smart Shirts Ltd, Katunayake EPZ, November 2004 - involved covermeter survey, modeling and design checking
56. Useful life of Confifi Group Hotels in Beruwela, November 2004 - involved planning and interpreting of chloride content and carbonation depth data and modeling for service life.
57. Monitoring of valve pedestal movements at AES Kelanitissa Power Plant, May 2005 - involved interpretation of strain gauge, displacement transducer and temperature readings.
58. Report on condition of IFS R&D Ltd Premises, July 2005 - involved checking building dimensions against drawings, computer modeling for wind loads and load testing a floor.
59. Report on distress at Secretariat Complex for North West Provincial Council, Kurunegala, July 2005 - involved commenting on thermal and shrinkage movements in building.
60. Recommendations for minimizing potential cracks in podium level beam casting, October 2005 - involved recommendations for casting a large beam in two pours.
61. Investigation of Board of Investment Building at 14, Sir Baron Jayatilake Mawatha, Colombo 3, April 2006 - involved non destructive testing (including for corrosion), coring and chloride level testing of a 100 year old building
62. Inspection of fire damaged Malalasekera Theatre at Nalanda Vidyalaya, Colombo 8, May 2006 - involved rebound hammer testing and visual inspection.
63. Defects in building at 413, R.A. De Mel Mawatha, Colombo 3 for I-Ron Asia (Pte) Ltd, August 2006 - involved documentation and classification of defects in a new building.
64. Investigation of Church Hill Reservoir for National Water Supply & Drainage Board, August 2006 - involved rebound hammer and carbonation testing, crack mapping and finite element modeling.

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Publications On Education
01.
DIAS, W.P.S. The privatisation of higher education, The Island Newspaper.
02.
DIAS, W.P.S. Problems faced by the nation are tied to education. The Island, Wednesday 27 March, 1991, pp. 8-9.
03. DIAS, W.P.S. Education, Employment and English. Ceylon Daily News, Monday 29 July, 1991, p.4.
04.
DIAS, W.P.S. et al. Affiliated University Colleges - the other side. The Island, Friday 11 September, 1991. p.8.
05. DIAS, W.P.S. Some thoughts on technical and vocational education in Sri Lanka. IESL News, Vol. XIII, No. 2, December 1992, pp. 3-5.
06. DIAS, W.P.S. Science in Sri Lankan Universities. Ceylon Daily News, 1999.

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(Non-Technical) Voluntary Service
01.
Council Member, Fellowship of Christian University Students (FOCUS), late 1980s, 1993 to 2000 (Chairman, late 1980s and 1995-1997) and 2005 to date.
02.
2. Board Member, Lanka Evangelical Alliance Development Society (LEADS), late 1980s - an organization involved in refugee care and social upliftment of poor communities.
03. Member, Committee for Rehabilitation of Jaffna Public Library (damaged by fire and blast in ethnic conflict, to be rehabilitated as a symbol of reconciliation), 1996 to 1999.
04.
Member, Standing Committee, Diocese of Colombo, 2001 to 2005.
05. Member, Board of Governors, S. Thomas’ College, Mt. Lavinia, 2002 to date.

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