Professor U.G.A. Puswewala
BSc Eng (Moratuwa), MEng. (AIT, Thailand), PhD (Manitoba), CEng, MIE(SL)

Professor, Department of Civil Engineering,
Dean, Faculty of Engineering,
University of Moratuwa

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Contact Information: 

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

E-mail:   head@earth.mrt.ac.lk
              ugap@civil.mrt.ac.lk

Telephone: +94-11-2650353
                  +94-11-2650567  

Fax:011-2650622; 011-2651216

 

 

       ACADEMIC AND PROFESSIONAL QUALIFICATIONSfile
       OTHER AFFILIATIONS
       EMPLOYMENT HISTORY
       SHORT PROGRAMMES AT UNIVERSITY OF MORATUWA /
        ACADEMIC AND OTHER CONTRIBUTIONS TO OUTSIDE ORGANISATIONS
       SPECIAL TRAINING PROGRAMMES ATTENDED
       AWARDS
       PUBLICATIONS


ACADEMIC AND PROFESSIONAL QUALIFICATIONS
1.  Ph.D. (Applied Mechanics) - University of Manitoba, Canada, 1991.

2.  M.Eng. (Structural Engineering) - Asian Institute of Technology, Thailand, 1986.

3.  B.Sc. Engineering (Hons.) - University of Moratuwa, Sri Lanka, 1982.

4.  Chartered Civil Engineer; and Corporate Member of Institution of Engineers Sri Lanka.

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OTHER AFFILIATIONS

1.  Member, Sri Lankan Geotechnical Society.

2.  Member, International Society for Soil Mechanics and Geotechnical Engineering

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EMPLOYMENT HISTORY

Mar. 2006 - date

 

Professor of Civil Engineering, Department of Civil Engineering, University of Moratuwa, Sri Lanka. (see under Senior Lecturer, Feb.1997-Mar. 2006)

 

Aug. 2004 - date

Head, Department of Earth Resources Engineering, University of Moratuwa, Sri Lanka.

Academic and administrative head of the Department of Earth Resources Engineering, University of Moratuwa, Sri Lanka. The department has an annual intake of 50 students and a cadre of about 25 permanent employees and several Temporary staff.

 

Feb. 1997 - Mar. 2006

Senior Lecturer, Department of Civil Engineering, University of Moratuwa, Sri Lanka.

Academic work:

B.Sc. Engineering undergraduate programme (Civil & Earth Resources Engineering), and M.Eng. programmes in Geotechnical Engineering, Foundation Engineering, Highway and Traffic Engineering, and Water Resources Engineering and Management.

Lecturer-in-charge of the Surveying Laboratory.

Lecturer-in-charge of Surveying subject, and Remote Sensing and GIS module.

Projects undertaken for resident survey Camps: Determining part of canal trace for trans-basin canal from Deduru Oya to Kala Wewa catchment, North-Central Province; Survey and design of road network at Ragama, Western Province; Survey and contouring of Ragama Marsh, Western Province; Survey for upgrading of provincial roads around St. Thomas' College, Gurutalawa, Uva Province.

Administrative work:  :

Officer-in-charge of residential Engineering Degree Survey Camps (1997-2005, 2007-09):

Departmental ADB Project Activity Coordinator (1999-2004)

Departmental Research Coordinator (1999-2003)

Departmental Academic Advisor (2001-2004)

Member of several Departmental Committees

Member of several Faculty Sub-Committees

Convener, Faculty Sub-Committee on Curriculum Revision (1999-2000)

 

Research (including supervision of M.Phil., M.Sc. and M.Eng. degrees) :

Numerical analysis of soil-structure interaction, Rock-socketed piles, Engineering characteristics of local unsaturated residual soils, Slope stability analysis under unsaturated soil conditions, Settlement characteristics of peaty clay from CKE project, Expansive behaviour of soils, Stress and strain in lined tunnels, Detection of land use and land cover changes using satellite (RS) images, Communicating data quality in a GIS environment, Determination of landslide hazard potential using fuzzy sets and other statistical techniques, Tsunami effect on coastal soils, Geological setting of hot water springs of Sri Lanka, Effects on gneissic rocks due to artificial weathering, Numerical implementation of creep model for soils.

 

Major consultation work:  

·         Member of Consultancy Team for the water supply scheme at Deduru Oya (Chilaw Town) by EML Consultants Ltd. (2009-date); client: NWS&DB.

·         Team-leader for the Survey and Design for Stabilisation of Slopes in the premises of Ceylon Petroleum Corporation, Kolonnawa, by Uni-Consultancy, University of Moratuwa (2009-date); client: Ceylon Petroleum Corporation,  Sri Lanka. 

·         Member of Team for Geological/ geotechnical investigation of  proposed solid waste dumping site at Thiruperundhurai, Batticaloa District by EML Consultants Ltd. (2008-09). 

·         Member of Team investigating distress at Kukuleganga Hydro-power Generating Station (2007-date); client: Ceylon Electricity Board, Sri Lanka.

·         Member of Team on Environmental Assessment of Galagodawatta Tsunami Housing Scheme by EML Consultants Ltd. (2007); working as the Geotechnical/Survey Team Leader; client: The Salvation Army, Sri Lanka Territory.

·         Member of Team to conduct Rapid Environmental Assessment of Permanent Housing for Tsunami Affected Families in Sri Lanka (2006); worked as the Regional Coordinator of the REA Team for Region 1, consisting of Districts of Kalutara, Colombo and Gampaha, (Western Province, Sri Lanka), and as an Environmental Consultant for the entire project; client: Ministry of Environment and Natural Resources.

·         Design and Construction of machine foundation for Ball Mill at Bogala Graphite Mine, Aruggammana (2005-06); client: Bogala Graphite Lanka Limited.

·       Member of Team to prepare Master Plan for Environmental Improvement of Kaduwela Pradehsiya Sabha, Western Province, Sri Lanka; as the specialist to prepare GIS for the region of study, covering all physical and social aspects of relevance to the improvement of the environment (2003-2004); client: Ministry of Urban Utilities Development, Government of Sri Lanka.

  • Geological investigation & design parameters for the proposed tunnel trace at Magal Ganga, Deraniyagala (2002); client: CECB, Colombo-07.
  • Foundation consultation work for the CPC tank farm at Muthurajawela (2002); client: CPC, Colombo-03.
  • Drainage improvement project for the industrial areas of Ratmalana and Ja-ela-Ekala (2001); client: NWS&DB, Ratmalana. 
  • Surveying, Levelling and Mapping work of Ramba Viharaya Archaeological Land (2000); client: Central Cultural Fund, Ministry of Cultural and Religious Affairs.
  • Survey of premises and Design of road network (1997-98); client: Pure Beverages Co. Ltd., Biyagama.

 

Jan. - Dec. 1996

Research Associate, Department of Civil Engineering, Monash University, Clayton, Victoria, Australia.

Attached to the Australian Maritime Engineering Corporate Research Centre. Worked on an integrated Hull Condition Monitoring System project, where the other participating institutions included BHP (Australia), Lloyds Registry of Shipping (UK), and IHI (Japan).

 

Feb. 1992 - July 1995

Senior Lecturer, Department of Civil Engineering, The University of Moratuwa, Sri Lanka.

 

Academic work for the B.Sc. Engineering undergraduate programme (Civil) and a PG Diploma course in Transportation Engineering.

Lecturer-in-charge of Soil Mechanics subject.

Officer-in-charge of three Degree Survey Camps.

 

Consultation work:

·         Soil testing for Watawala Landslide (1992-93); client: Sri Lanka Railways Department, Government of Sri Lanka.

Jan. 1987 - Oct. 1991.

Research Assistant, Department of Civil Engineering, The University of Manitoba, Winnipeg, Manitoba, Canada.

Conducted research for the Doctoral programme, on the finite element modelling of structure-frozen soil/ice interaction. Conducted parallel research on computer modelling of saturated poro-elastic media.

 

Sept. 1987 -April 1991

Teaching Assistant,  Department of Civil Engineering,  The University of

 Manitoba, Winnipeg, Manitoba, Canada.

Assisted to conduct modules: Soil-structure Interaction and Numerical Methods in Engineering

 

Aug. - Dec. 1986

Superintendent Engineer (Acting), Colombo Municipal Council, Sri Lanka.

Engineer in-charge of the entire water supply network and service reservoirs of the Colombo City.

 

April 1982 - Dec. 1986

Civil Engineer,  Colombo Municipal Council, Sri Lanka.

Managed the stormwater and wastewater drainage systems of the Colombo City April 1982-August 1986; work consisted of maintenance of existing infrastructure and new constructions, including tendering and contract administration. 

On leave from Sept. 1984- April 1986 to read for the M.Eng. Degree at the Asian Institute of Technology, Bangkok, Thialand.

Functioned as the water supply engineer of the Colombo City, May-Dec. 1986.

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SHORT PROGRAMMES AT UNIVERSITY OF MORATUWA / ACADEMIC AND OTHER CONTRIBUTIONS TO OUTSIDE ORGANISATIONS

1992-95 & 1997-98

Visiting Lecturer, Kothalawala Defence Academy, Ratmalana.

1992-95 & 1998-2006

Visiting Lecturer, IESL course in Civil Engineering.

1992-95 & 1998-date

Examiner and Moderator of examinations for some subjects conducted by the IESL, and Kothalawala Defence Academy.

Sept. 1992

Resource person, "Training programme in quality control in Building Design and Construction" for visiting engineers from Vietnam, organised by ICTAD, UNDP and ILO at Savsiripaya, Colombo-07.

Sept., 1997

Member of committee to report on the Sri Lankan Institute of Advanced Technical Education (SLIATE), Mattakkuliya.

July-October, 2004

Member of committee appointed by the Secretary, Ministry of Highways to report on the activities of the Consultant to the Southern Highway Development Project, ADB sponsored section.

2002-2006

Resource Person in several Short Courses and Training Programmes conducted by the ICGAT, located at University of Moratuwa, Sri Lanka.

2008 Feb-April

Course Coordinator and Chief Resource Person in the Training Programme on "Practical Surveying" conducted by the University of Moratuwa for industry personnel from Maldives, in Maldives and Sri Lanka.

Nov 2008-Feb 2009;

March-May 2009

Course Coordinator and Chief Resource Person in the Training Programme on "Practical Surveying" conducted by the University of Moratuwa for industry personnel from Maldives, in Sri Lanka.

Nov-Dec, 2008

Feb-Apr, 2009

July-Aug, 2009

Oct.-Nov, 2009

Jan, 2010

Course Coordinator of the Training Programme on the use of Total Station and AutoCAD for Engineering Surveys, conducted by the University of Moratuwa.

Oct 2008 - Oct 2009

Chairman, Civil Engineering Sectional Committee of the Institution of Engineers, Sri Lanka (IESL) for the session 2008-2009.

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SPECIAL TRAINING PROGRAMMES ATTENDED

June 4-11, 1997

Workshop on Remote Sensing for Coastal and Forestry Resource Management, organised by Commonwealth Science Council, UK and NARESA, at NARESA Building, Colombo-07. 

May 4 - June 12, 1998

Eighth United Nations International Training Programme on Remote Sensing Education for Educators, organised by UNDP and the  Government of Sweden, at Stockholm and Kiruna, Sweden.

March 30 - April 11, 2009

Specialised Training on Remote Sensing and Geophysical Methods in Groundwater Exploration, conducted at Grange-over-sands, Cumbria, Lake District, UK by the School of Earth Sciences and Geography, Keele University, Staffordshire, UK

 

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AWARDS
  • 1984-1986 - NORAD Scholarship for Masters study at AIT, Thailand; awarded by the government of Norway.
  • 1988-1990 - University of Manitoba Graduate Fellowship, awarded by University of Manitoba, Winnipeg, Canada for Doctoral Study.
  • 2002 - Prof. E.O.E. Pereira Award for best paper in the IESL Annual Transactions, awarded by the Institution of Engineers, Sri Lanka.
2001, 2003, 2005, 2006, 2007 and 2008 - Awards for Appreciation of Outstanding Research
          Performances, awarded by the
University of Moratuwa, Sri Lanka.

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PUBLICATIONS

 

Theses and Monographs:

 

1.       Puswewala, U.G.A., "Infinite elements for quasi-statics of multi-layered saturated porous elastic half-spaces", M.Eng. Thesis, Asian Institute of Technology, Bangkok, Thailand, April 1986.

 

2.       Puswewala, U.G.A., "Constitutive relations for frozen soils and ice: a review", Inter-departmental report, Department of Civil Engineering, The University of Manitoba, Winnipeg, Canada, December 1987.

 

3.       Puswewala, U.G.A., "Computational modelling of structure-frozen soil/ice interaction", Ph.D. Dissertation, The University of Manitoba, Winnipeg, Canada, September 1991.

 

International Journals and Conferences:

 
  1. Karasudhi, P., and Puswewala, U.G.A., "A finite element by singular contraction for saturated elastic half-spaces", Proceedings, 11th Canadian Congress of Applied Mechanics, May-June 1987, Edmonton, Alberta, pp. A220-221.

 

  1. Karasudhi, P., Karunasena, W.M., and Puswewala, U.G.A., "An infinite element algorithm for multilayered saturated halfspaces", Proceedings, U.S.-Korea Joint Seminar/Workshop on Critical Engineering Systems, Vol 1 (ed. C.-K. Choi and H.-S. Ang), May 1987, Seoul, Korea, pp. 207-216.

 

  1. Puswewala, U.G.A., and Rajapakse, R.K.N.D., "Axisymmetric fundamental solutions for a completely saturated porous elastic solid", International Journal of Engineering Science, Vol 26, No 5, 1988, pp. 419-436.

 

  1. Puswewala, U.G.A., and Rajapakse, R.K.N.D., "Axisymmetric load and flow sources in the interior of a poroelastic half space", presented at The Applied Mechanics and Engineering Sciences Conference, June 1988, Berkeley, California.

 

  1. Rajapakse R.K.N.D., and Puswewala, U.G.A., "Response of a rigid plate anchor in a poro-elastic medium", Proceedings, Annual Conference and the 9th Canadian Hydrotechnical Conference, Canadian Society for Civil Engineering, Vol 3, June 1989, St. John's, Newfoundland, pp. 270-282.

 

  1. Puswewala, U.G.A., and Rajapakse, R.K.N.D., "Numerical modeling of structure-ice/frozen soil interaction", Journal of the Cold Regions Engineering, American Society of Civil Engineers, Vol 4, No 3, 1990, pp. 133-151.

 

  1. Puswewala, U.G.A., and Rajapakse, R.K.N.D., "Penetration rates of a rigid core in an ice plate", Constitutive Laws for Engineering Materials: Recent Advances and Industrial and Infrastructural Applications, (ed. C.S. Desai et. al.), ASME Press, New York, NY, 1991, pp. 763-766.

 

  1. Puswewala, U.G.A., and Rajapakse, R.K.N.D., "A finite element code to evaluate creep of footings on frozen soils", Proceedings, 13th Canadian Congress of Applied Mechanics, June 1991, Winnipeg, Manitoba, pp. 798-799.

 

  1. Puswewala, U.G.A., Rajapakse, R.K.N.D., Domaschuk, L., and Lach, R., "Finite element modelling of pressuremeter tests and footings on frozen soils", International Journal for Numerical and Analytical Methods in Geomechanics, Vol 16, 1992, pp. 351-375.

 

  1. Puswewala, U.G.A., and Rajapakse, R.K.N.D., "Computational analysies of creep in ice and frozen soil based on Fish's unified model", Canadian Journal of Civil Engineering, Vol 20, 1993, pp.120-132.

 

  1. Puswewala, U.G.A., Rajapakse, R.K.N.D., Domaschuk, L., and Shields, D.L., "Creep response of laterally loaded piles in ice and permafrost", Geotechnique, Vol 43, No 2, 1993, pp. 223-240.

 

12. Puswewala, U.G.A., Rathnasiri, R.M., and Rathnajothy, T., "Shear Characteristics of Some Unsaturated Residual Soils", Proceedings, Twelfth Asian Regional Conference on Soil Mechanics and Geotechnical Engineering (12ARC), Singapore, August 2003 pp. 69-73.

 

13.    Rathnasiri, R.M., and Puswewala, U.G.A.  "The Effect of Variation of the Location of Water Table on the Stability of Slopes", Proceedings, Second Young Geotechnical Engineers Conference, ISSMGE, Romania, 2003, pp.95-96.

 

14.    Puswewala, U.G.A., and Madurapperuma, M.A.K.M.,  "Numerical Implementation of a Constitutive Model for Soil Creep", Proceedings, 16th International Conference on Soil Mechanics and Geotechnical Engineering, ISSMGE, Osaka, Japan, Sept. 2005, pp. 947-950.

 

15. Indraratne, B., Khabbaz, H., Puswewala, A., and Bandara, W.A.A.W., "Effects of Tsunami on Coastal Ground Conditions and Appropriate Measures for Rail Track Rehabilitation", Documented keynote address at: International Symposium on Tsunami Reconstruction with Geosynthetics, AIT Campus, Pathumthani, Thailand, Dec. 2005.

 

16. Tharanganie, B.G.N., and Puswewala, U.G.A., "Unsaturated Shear Strength and Matric Suction Characteristics of a Sri Lankan Residual Soil", Proceedings, Third Young Geotechnical Engineers Conference, ISSMGE, Osaka, Japan, Sept. 2005.

 

17. Jayakody, J.A.S., Puswewala, U.G.A., and Bandara, K.R.M.U., "Problems of Land Use/Cover Change Detection with Ordinary Resolution Satellite Data", Proceedings of the 10th Anniversary International Symposium, Sabaragamuwa University of Sri Lanka, July 2006, pp.184-190.

 

18. Samaradivakara, G.V.I., Puswewala, U.G.A., and Dharmaratne, P.G.R., "Weathering of Gneissic Rocks of Sri Lanka", Proceedings, SLGSSR07 (International Conference on Soils and Rock organized by Sri Lanka Geotechnical Society), August 2007, Colombo.

 

19. Madurapperuma, M.A.K.M., and Puswewala, U.G.A., "Numerical Implementation of a Constitutive Model for Soil Creep", Journal of Mechanics of Materials and Structures, Vol. 3, No. 10, 2008, pp. 1857-1874.

 

 

Local Journals and Conferences:

 

  1. Puswewala, U.G.A., Gunatilaka, I.R.P., Hapuarachchi, C.L., and Nandasena, R.M., "Influence of linings on stress and deformations in rock around tunnels", Proc. 6th Annual Symposium, ERU, Univ. of Moratuwa, Dec. 2000, pp. 154-167.

 

2.       Ratnajothy, T., and Puswewala, U.G.A., "Matric suction characteristics of some residual soils of Sri Lanka", Transactions 2001, The Institution of Engineers Sri Lanka, Vol.1 Part B, 2001, pp. 159-169.

3.       Gunatilaka, I.R.P., and Puswewala, U.G.A., "Influence of tunnel shape, liner thickness and rock stiffness on the stress and deformation in rock surrounding elliptical tunnels", Transactions 2001, The Institution of Engineers Sri Lanka, Vol.1, Part B, 2001, pp. 170-185.

 

4.       Kodagoda, S.S.I., and Puswewala, U.G.A., "Numerical modeling of rock-socketed piles", Proc. 7th Annual Symposium, ERU, University of Moratuwa, November, 2001, pp. B1-B12.

 

5.       Ratnajothy, T., Puswewala, U.G.A., and Kulathilaka, S.A.S., "Matric suction characteristics of unsaturated residual soils at Naketiya landslide site", Proc. 7th Annual Symposium, ERU, University of Moratuwa, November, 2001, pp. B13-B22.

 

6.       Weerasinghe, K.M., Gunaratne, M., Ratnaweera, H.G.P.A., Puswewala, U.G.A., and Arambepola, N.M.S.I., "Analytical determination of landslide potential using fuzzy sets and other statistical techniques", Proc. 7th Annual Symposium, ERU, University of Moratuwa, November, 2001, pp. B23-B31.

 

7.       Kodagoda, S.S.I., and Puswewala, U.G.A., "Numerical modelling of pile-rock interface in  rock-socketed piles", Transactions 2002, The Institution of Engineers Sri Lanka, Vol.1, Part B, 2002, pp. 62-72.

 

8.       Kugan, R., Puswewala, U.G.A., Kulathilaka, S.A.S., and Peiris, T.A., "Peaty Clay Improvement with Pre-fabricated Vertical Drains", Transactions 2003, The Institution of Engineers Sri Lanka, Vol. 1, Part B, Oct. 2003, pp. 69-76.

 

9.       Rathnasiri, R.M., Puswewala, U.G.A., and Peiris, T.A., "Slope Stability Analysis using Unsaturated Shear Strength Properties", Transactions 2003, The Institution of Engineers Sri Lanka, Vol. 1, Part B, Oct. 2003, pp. 77-85.

 

10.    Rathnasiri, R.M., Peiris, T.A., and Puswewala, U.G.A., "Deformation Analysis in Model  Soil Slope Studies",  9th Annual Symposium, ERU, University of Moratuwa, December, 2003.

 

11.    Kugan, R., Puswewala, U.G.A., Kulathilaka,  S.A.S., and Peiris, T.A., "Consolidation Testing of Peaty Clay", 9th Annual Symposium, ERU, University of Moratuwa, December, 2003.

 

12.    Tharanganie, B.G.N., and Puswewala, U.G.A. "Unsaturated Shear Strength and Matric Suction Characteristics of a Residual Soil", Transactions 2004, The Institution of Engineers Sri Lanka,  Oct. 2004, pp. 169-174.

 

13.    Puswewala, U.G.A., and Tharanganie, B.G.N., "Development of Soil-Water Characteristic Curve for a Residual Soil using Triaxial and Pressure-plate Apparatus", Proceedings, 11th Annual Symposium, ERU, University of Moratuwa, Sept. 2005, pp.129-137.

 

14.    Madurapperuma, M.A.K.M., and Puswewala, U.G.A., "Sensitivity Analysis of Soil Creep by using a Constitutive Soil Creep Model", Proceedings, 11th Annual Symposium, ERU, University of Moratuwa, Sept. 2005, pp. 273-283.

 

15.    Bawa, M.T.A., and Puswewala, U.G.A., "Numerical Modelling of an Axially Loaded Pile in Layered Media", Transactions 2005, The Institution of Engineers Sri Lanka,  Oct. 2005.

 

16.    Ketheeswaravenayagan, R., Puswewala, U.G.A., and Fernando, M.B.S., "Finite Element Prediction of Settlement and Pore Pressure for Soft Soil from Colombo-Katunayaka Expressway", Transactions 2006, The Institution of Engineers Sri Lanka, Oct. 2006, pp. 127-134.

 

17.    Samaradivakara, G.V.I., Dharmaratne, P.G.R., and Puswewala, U.G.A., "Weakening of Some Physical Properties of Fresh Gneissic Rocks Subjected to Artificial Weathering", Transactions 2006, The Institution of Engineers Sri Lanka, Oct. 2006, pp. 127-134.

 

18.    Jayakody, J.A.S., Puswewala, U.G.A., and Bandara, K.R.M.U., "Problems of Land Use/Cover Change Detection with Ordinary Resolution Satellite Data", Proceedings of the International Symposium 2006 held at Sabaragamuwa University of Sri Lanka, July 2006.

 

19.    Premasiri, H.M.R., Wijeyesekera, D.S., Weerawarnakula, S., and Puswewala, U.G.A., "Formation of Hot Water Springs in Sri Lanka", Engineer Journal, Nov. 2006, pp. 1-7. 

 

20. Seneviratne, H.M.U., and Puswewala, U.G.A., "Equivalent Elastic Properties of Asphalt Concrete for Road Pavements", Transactions 2007, The Institution of Engineers Sri Lanka, Oct. 2007, pp. 50-58.

 

21. Ketheeswaravenayagan, R., and Puswewala, U.G.A., "Numerical Modelling of Deformation in Pre-loaded Embankment over Weak Soil", Engineer Journal, Vol. XXXX, No. 4, 2007, pp. 94-101.

 

 Other Local Publications / Presentations:

 

1.       Ratnajothy, T., and Puswewala, U.G.A., "Modification of the conventional laboratory tri-axial testing apparatus to test unsaturated soils", Proc., 57th Annual Session, Sri Lanka Association for the Advancement of Science (SLAAS), November, 2001. 

 

2.       Ratnajothy, T., Puswewala, U.G.A. and Tennekoon, B.L. "DTA testing for expansive characteristics of some local soils", Proc., 57th Annual Session, Sri Lanka Association for the Advancement of Science (SLAAS), November, 2001. 

 

3.       Tennekoon, B.L., Puswewala, U.G.A., and Thilakasiri, H.S., "Settlements of wide foundations in laterite formations", Proc., 57th Annual Session, Sri Lanka Association for the Advancement of Science (SLAAS), November, 2001. 

 

  1. Thavalingam, K., and Puswewala, U.G.A., "Positional accuracy of road features in 1:10,000 digital data produced by Survey Department", Survey Journal, Vol. 73, Sri Lanka Survey Dept., 2001, pp. 1-4.

 

5.    Puswewala, U.G.A., Delakshan, I., Girishanth, S., Sasokanthan, K., Sureshkumar, S., Thavasuthan, T., and Vaseeharan, M.D., " Developing a foundation design software - GEOSOFT", Journal of Earth Resources Engineering, University of Moratuwa, 2005, pp. 25-31.

 

6.  De Silva, R.H.S.I., Jeyram, P., Perera, R.S.L., Thananchayan, A., Wickramanayake, N.U., Rathnayake, N.P., Premasiri, H.M.R., Abeysinghe, A.M.K.B., and Puswewala, U.G.A., "Characterization of tsunami wave using texture and structure of sediments from south-western coast of Sri Lanka", Proceedings of ERE 2006, University of Moratuwa, 2006, pp. 15-19.

 

7.   Chinthaka, L.W.N., De Silva, W.H.C., Dhanushka, P.D.L., Edirisinghe, P.R., Rahubadda, H.I., Puswewala, U.G.A., Dissanayake, D.M.D.O.K., and Gunawardena, G.M.W.L., "Generation of a user friendly spatial information systemfor the rehabilitation and restoration of small scale irrigation schemes in selected 5 DS Divisions in Hambantota District", Proceedings of ERE 2006, University of Moratuwa, 2006, pp. 20-25.

 

8.   Ekanayake, E.M.T.M., Jayawardena, M.N., Kannangara, K.K.D.M., Puswewala, U.G.A., Rathnayake N.P., Chaminda, S.P., and Vijitha, A.V.P., "Alternative for river sand", Proceedings of ERE 2007, University of Moratuwa, 2007, pp. 21-24.

 

9.   Senanayake, I.P., Dissanayake, D.M.D.O.K., and Puswewala, U.G.A., "Hydrological analysis of Sooriyawewa area using Remote Sensing and GIS techniques", Proceeding of 4th Annual conference (ERE 2009), University of Moratuwa, 2009, pp. 13-16.

 

10. Thushanthan, K., Udayantha, B.V.M., Chathuranga, S.A.K.S., Dissanayaka, V.A.K.A., Karunananthasivam, L., Jayasekara, J.M.E.P.K., Puswewala, U.G.a., and Samradivakara, G.V.I., "Determination of uniaxial compressive strength using Point Load Index of high grade metamorphic rocks from Western Sri Lanka", Proceeding of 4th Annual conference (ERE 2009), University of Moratuwa, 2009, pp. 37-44.

 

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