Prof. S.M.A. Nanayakkara
BSc Eng(Moratuwa),MEng(Tokyo),DEng(Tokyo), CEng, MIE(SL)
Professor, Department of Civil Engineering, 
University of Moratuwa
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Contact Information: 

Address:
Department of Civil Engineering,
University of Moratuwa,
Moratuwa, Sri Lanka.

E-mail:   sman@civil.mrt.ac.lk

Telephone: +94-11-2650567-8(Ext.2113)
Fax:           +94-11-2651216

 

 
       Profile
       Academic & Professional Qualifications
       Academic & Professional Experience 
       Membership of Professional Societies     
       Awards
 
    Research Publications 
    Other Publications
    Prsentations at Conferences
    Services outside University
Profile
  • Professor, Building & Structural Engineering Division, Department of Civil Engineering, University of Moratuwa.
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Academic & Professional Qualifications
1990

D.Eng
University of Tokyo, Japan.
1987 M.Eng.
University of Tokyo, Japan.
1982 B.Sc.Engineering (Hons.)
University of Moratuwa, Sri Lanka.


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Academic & Professional Experience
Oct 2006 - to date

Professor of Civil Engineering, University of Moratuwa.
Nov 1990 - Oct 2006

Senior Lecturer in Civil Engineering, University of Moratuwa.
Sep 2004 - Mar 2005 Research Fellow, Department of Civil and Environmental Engineering, Imperial College London, United Kingdom.
Jun 1999 - Mar 2000 Research Fellow, Department of Civil Engineering, University of Tokyo, Japan.
Oct 1985 - Oct 1990 Research Student, Department of Civil Engineering, University of Tokyo, Japan.
Sep 1982 - Oct 1990
(on study leave from Sep 1985 - Oct 1990)		 Assistant Lecturer in Civil Engineering, University of Moratuwa.


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Membership of Professional Societies
  • Member, Institution of Engineers, Sri Lanka
  • Member, Society of Structural Engineers, Sri Lanka
  • Member, Sri Lanka Association for the Advancement of Science
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Awards
  • AIEJ ( Association of International Education, Japan) Research Fellowship, 1999
  • Best article in the Modulus (Society of Structural Engineers, SL), 2000
  • " Sanstha" Merit Award for Research, 2001
  • Award for Appreciation of Outstanding Research Performances, University of Moratuwa - 2003
  • Holcim Merit award for research , 2004
  • Commonwealth Academic Fellowship, 2004
  • Award for Appreciation of Outstanding Research Performances, University of Moratuwa, - 2004
  • Award for Appreciation of Outstanding Research Performances, University of Moratuwa - 2005
  • Anton Award – Best technical paper on "Water Related Infrastructure", IESL- 2006
  • Presidential Award for Research - 2010

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Research Publications
  Publications In Refreed Journals & Proceedings of Conferences
  1. S.M.A. Nanayakkara, Cracking in Concrete Structures due to Delayed Ettringite Formation, Transactions of Society Structural Engineers, Sri Lanka, 2011.
  2. S.M.A. Nanayakkara, Importance of controlling temperature rise due to heat of hydration in massive concrete elements, IESL-SSMS Joint International Symposium on Social Management Systems 2011, 14th – 16th September, Colombo, Sri Lanka
  3. W.K. Mampearchchi, J.V. Kosgolla, S.M.A. Nanayakkara, Development of economical high early strength concrete mix for paving of provincial roads in Sri Lanka, Engineer, V0l. xxxxIV, No.02, Aprill 2011, pp. 01-10.
  4. T. Mathanraj, B. Senthil, S. Gogulan and S.M.A. Nanayakkara, Effects of Fines in Quarry Dust on Properties of Mortar and Concrete, Annual Transactions of IESL, pp.43-50, 2011.
  5. V. Jatheeshan, T. N. U. Peiris, L. B. S. K. Mendis and S. M. A. Nanayakkara Investigation of the Effects due to Formation of Cold Joint in Concrete, , Annual Transactions of IESL, pp.51-56, 2011.
  6. A.M.A.N. Karunarathne, S.M.A. Nanayakkara and W.K. Mampearachchi, Experimental Investigation of LTE in Relation to Crack Width of Non-Dowelled Joints in Concrete Pavements, Annual Transactions of IESL, pp.22-26, 2011
  7. Konthesingha KMC, Jayasinghe C, Nanayakkara SMA, Bond and Compressive strength of Masonry for Locally Available Bricks, Engineer , Vol. XXXX, No. 4. Pp 7-13, 2007.
  8. Dias, WPS, Seneviratna, GAPSN, Nanayakkara, SMA, Offshore sand for Reinforced concrete, Construction and Building Materials, 2007
  9. Nanayakkara SMA, Nanayakkara V.A.S.P., New Composite Construction Material for Low Cost Underground Water Tanks, "Engineer” Journal, IESL, 2006
  10. Nanayakkara SMA, Elakneshwaran T, Self-healing of cracks in concrete with Portland limestone cements, Proceedings of 6th International congress in Concrete technology, 2005, pp. 675-683.
  11. R. Thivakar, Nanayakkara SMA, Development of self compacting concrete using limestone powder, IESL Transactions, 2004
  12. Nanayakkara S.M.A, Liyanage W.W. , Use of Grade 25 concrete in Design of Water Retaining Structures Based on BS 8007 Recommendations , IESL Transactions, 2003, pp 1-8.
  13. Nanayakkara S.M.A. Wannigama W.R.K. ,Experimental Investigations on Temperature rise due to heat of Hydration, IESL Transactions, 2003, pp. 9-15.
  14. Weerasiri, Renuka. K.R., Nanayakkara S.M.A, Survey on the Precast Industry in Sri Lanka”, IESL Transactions, 2003, pp. 32-37
  15. Nanayakkara S.M.A. and T.C. Ekneligoda, Experimental Investigations on Properties of Roller Compacted Concrete, IESL Transactions, 2003, pp. 131-138
  16. Nanayakkara S.M.A, Self-healing of cracks in Concrete under water pressure, International Symposium on New Technologies for Urban safety in Mega Cities, Tokyo, October, 2003. pp 125-132.
  17. WPS Dias, Nanayakkara SMA, TC Ekneligoda, Performance of concrete mixes with OPC-PFA blend, Magazine of Concrete Research, Vol.55, No. 2 April 2003.
  18. Ekneligoda TC, Nanayakkara SMA, Design of roller compacted concrete mixes for road pavements, Proceedings of 7th Annual symposium of ERU , University of Moratuwa, 2001.
  19. Nanayakkara, S.M.A., An Experimental Method to Determine the Thermal Conductivity of Concrete, International Conference on Advanced Technologies in Design, Construction and Maintenance of Concrete Structures, Hanoi, Vietnam , March 2001.
  20. Nanayakkara, S.M.A. Prediction of Compressive strength of Concrete, Engineering Research Unit Symposium, University of Moratuwa, December 2000.
  21. Nanayakkara, S.M.A,: Alternatives for river sand, IABSE Colloquium on Concrete Model Code for Asia, Puket, 1999.
  22. Anura SM Nanayakkara, Kazumaza Ozawa, Koichi Maekawa, :Deformational resistance of fresh concrete Through bent and tapered pipes, Proceedings of JSCE No. 466/V-19, 1993, pp 97-107.
  23. Kazumasa Ozawa, Anura SM Nanayakkara, Maekawa Koichi, Application of Multi-phase Model to the pipe flow of fresh concrete, Proceedings of JSCE No. 466/V-19, May 1993, pp 121-131.
  24. Koichi Maekawa, Kazumasa Ozawa, Anura SM Nanayakkara: Multi-Phase Model for Flow of Liquid-Solid assembly through pipelines, Proceedings of JSCE No. 466/V-19, 1993, pp 109-120.
  25. Anura Nanayakkara, Ozawa, K., Maekawa, : Deformational compatibility for solid phase of dense solid-liquid flow in bend pipe, Proceedings of JSCE, No 426/V-14, 1991 pp 221-232.
  26. Anura Nanayakkara, Ozawa, K., Maekawa: Deformational compatibility of aggregate phase for tapering flow of dense liquid-solid material, Proceedings of JSCE, No. 420/V-13, 1990, pp 279-290.
  27. Nanayakkara A, Gunatilaka D, Ozawa K, Maekawa K, Flow and seggrgation of fesh concrete in tapered pipes- Two phase computational model, Proceedings of ASME, FED Vol. 75, 1988, pp 47-52.
  28. K.Ozawa, A. Nanayakkara, K. Maekawa, Flow and segregation of fesh concrete around bifurcation in pipe lines, Proceeding of ASME, FED Vol.75, 1988, pp139-144.
  29. Maekawa, K., Ozawa, K., Nanayakkara, A.,: Solid stiffness model for analysis of fresh concrete flow: Gravel, Sand and Cement slurry mixture, Proceedings of the ASME, FED – Vol. 118, 1991, pp 39-44 .
  30. Kazumasa Ozawa, Anura Nanayakkara, Koichi Maekawa, Evaluation of aggregate particle motion in liquid-solid flows of model concrete, Proceeding of JSCE No. 408/V-11, August 1989, pp 187-193.
  31. Kazumaza Ozawa, Anura Nanayakkara, Koichi Maekawa, Flow and segregation behaviour of a two phase model concrete around bifurcation pipe lines, Proceedings of JSCE, No. 408/V11, August 1989, pp 195-203.
     
     
 

Research Publications In Non-Refereed Journals
  1. Nanayakkara, S.M.A., Gerry Byrne, : Offshore sand- an Alternative to River sand in the Construction Industry, Constructor, Volume 7, No.2, 2002, pp.121-122.
  2. Nanayakkara, SMA, Design for controlled cracking of water retaining structures based on BS 8007. Proceedings of the seminar on design and construction of water retaining structures, July 1999.
  3.

Nanayakkara Anura, Construction Industry and Concrete Engineering in Sri Lanka , Proceedings of JCI Symposium on Concrete Model Code for Asia , Japan, April 1994.

  4. Nanayakkara  Anura, : Concrete pumping, Modulus, Vol.2 No.1, Society of Structural Engineers, Sri Lanka, April, 1991.
     
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Other Publications(Monographs/ Research Reports/Discussion Papers)
1. Report on “Review of Structural Design of Rapid Sand Filter House of Chilaw Water Treatment Plant”, April 2012.
2. Co-author of the report on “Investigation of pile cap cracking – Southern Transport Development Project”, July 2009.
3. Co-author of the report on “Environmental, Economic and Regulatory Matters Connected with Sand and Clay Mining” Report submitted to Ministry of Environment & Natural Resources, 2005
4. Co-author of the report on “Developing an inorganic polymer concrete material for walling units” Report submitted to Strongwall International Limited, Australia, February 2004.
5. Co-author of the report on “ Suitability of Offshore sand , Manufactured sand and Quarry dust for concrete and Plastering work “, Report submitted to CCD, Coastal Resources Management Project, 2002.
6. Co-author of the report on “Alternatives for river sand” report submitted to Coast conservation department, CCD, 2002
7. Co-author of the report on “Low cost underground water tanks”. Report submitted to the NWSDB, 2001
8. Co-author of the report on “ Properties of PFA blended cement in Concrete”, Report submitted to Puttalam Cement Company Limited, January 2000.
9. Co-author of the report on “Alternatives for river sand” , Report submitted to the Central Environmental Authority of Sri Lanka, August 1997.
10. Co-author of the report on “Identification of Engineering based investment priorities for medium term development plan” Report presented at IESL Annual Sessions Workshop, 1995
   

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Prsentations at Conferences, Meetings of Professional Associations etc.
1.

“Sri Lanka Standards for cements and aggregates”, Presented at the seminar organized by Chamber of Construction Industry, Sri Lanka, 2011
2. “Self Compacting Concrete”, Presented at the International Seminar on “ New Trends in Concrete Construction”, IESL, 2006
3. “Sea sand as an Alternative to River sand in the construction Industry”, Presented at the workshop on environmental sustainability of sea sand mining as an alternative to river sand mining in Sri Lanka, SLAAS, 2006.
4. “Corrosion of steel in concrete structures”, Presentation at the seminar on Rehabilitation of Concrete structures, CCI, 2005
5. “Use of Concrete in Construction”, Presentation at the seminar on Construction Materials, organized by the Sri Lanka Association for the Advancement of Science, 2005
6. “Roller compacted roads for low volume roads”, Presented at the seminar on cost effective solution for low volume rural roads, SLAAS, 2005
7. “Alternatives for river sand in Sri Lanka”, Seminar on Alternatives for river sand as fine aggregates, ICTAD ,2004
8. “Alternatives to river sand for construction purposes”, Presentation at the seminar organised by the Chamber of Construction Industry, Sri Lanka,(CCI), 2004
9. “Engineering properties of River sand Alternatives”, Presentation at the seminar on Alternatives to river sand, National Science Foundation, 2003
10. “Watertightness of Cement mortar and concrete”, Presentation at the seminar on water proofing, ICTAD, 2003
11. “Application of Blended cements”, Presented at the workshop on the application of Blended cement in the construction industry and development of Sri Lanka Standard, SLSI, 2002
12. “Basic properties of concrete and concrete durability”, Presentation at the National Seminar on Non-destructive testing of concrete in structures, Atomic Energy Authority, 2001
13. “A new composite construction material for low cost underground water tank” VASP Nanayakkara, SMA Nanayakkara, Duleep Goonewardene, , SLAAS ,Proceedings of the 57th Annual session, 2001
14. Anura Nanayakkara et al , Overview of the materials and construction part of Asian Concrete Model Code, The 4th ACI/KCI International Conference, 2000
15. “Water retaining Structures” , Presentation at Question Time of the Society of Structural Engineers, Sri Lanka, 1997
16. SMA Nanayakkara, Engineering properties of river sand alternatives, Seminar on alternatives for river sand, ICTAD, May 1997.
17. Anura Nanayakkara, Comments on proposed frame work and contribution towards the concrete model code for Asia, Symposium on Concrete Model Code for Asia, Bangkok, 1994
18. SMA Nanayakkara, : Theory of Mix Design, Proceedings of seminar on Ready Mixed Concrete, Society of Structural Engineers, Sri Lanka, February 1993.
   

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Services outside University
 

National Organizations
  1.

Chairman, working group on revision of cement standards, Sri Lanka Standards Institution.

  2.

Member of the working group on National Annex for EC2, Sri Lanka Standards Institution.

  3.

Chairman, working group on Sri Lanka Standard specifications for concrete paving blocks.

  4.

Member of Sectoral Committee on Building and Construction Materials (SC 35), Sri Lanka Standards Institution (2000 – to date).
  5. Member of Technical Advisory Committee on Mechanical Testing, Sri Lanka Accreditation Board, 2006.
  6. Consultant, Institutional Strengthening Component, Coastal Resources Management Project, Coast Conservation Department
  7. Chairman, working group on Sri Lanka Standard specifications for Hot dipped Aluminum-Zinc alloy coated steel sheets for roofing and claddings
  8. Chairman, working Group on Cement Testing Methods, Sri Lanka Standards Institution.
  9. Member of the working group on Sri Lanka Standard specifications for blended cements, Sri Lanka Standard Institution.
  10. Member of the Sub-Committee on Alternatives for River sand, Ministry of Fisheries and Ocean Resources.
  11. Member of the Technical Advisory Committee for the cement and allied products, SLSI.
  12. Chairman, Working group on Amendments to Cement standards, 2006
     
 

International Organizations
  1. Member of the technical committee of the 5th International Symposium on New Technologies for urban safety of Mega Cities in Asia- 2006
  2. Member of the Technical committee of the 3rd International Symposium on New Technologies for Urban safety of Mega Cities in Asia. 2004.
  3. Member of the Scientific committee of the First International Conference organized by the Asian Concrete Federation, 2004
  4. Member of the Scientific committee of 1st International conference of Asian Concrete Federation, 2004
  5. Member of the Technical Advisory Committee, Second International Symposium on New Technologies for Urban Safety of Mega Cities in Asia, 2003
  6. Member of the technical advisory committee of the 2nd International Symposium on New Technology for urban safety of Mega cities in Asia, 2003
  7. Coordinator, Working Group 2 – Materials and Construction, Asian Concrete Model Code. (2000-2002)
  8. Member of the Executive Council of International Committee on Concrete Model Code for Asia (2000-2002)
  9. Member of the International Scientific and Technical Committee of First International Structural Engineering and Construction Conference (ISEC-01), 2001.
  10. Member of International Scientific Committee of the ICCMC/IBST International conference on Advanced Technologies in Design, Construction and Maintenance of Concrete Structures, 2001
  11. Chairman of the organizing committee of the International conference on Concrete Model code for Asia, 2001
  12. Chairman of the Organizing committee of the International Symposium on Asian Concrete Model Code, held in Colombo, March 2000.
  13. Member of the International Advisory Committee of IABSE (International Association for Bridge Structural Engineering) Colloquium on Concrete Model Code for Asia, 1999.
  14. Member of the International Committee on Concrete Model Code for Asia (1992-date)
  15. Referee for ASCE Journal of Materials in Civil Engineering

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