• Samarasekara, G.N., Fukahori, K. & Kubota, Y. (2007) Distance cognition affected by urban vegetation: Investigation at perspective and route knowledge level, Journal of Architecture of Environment and Infrastructure, 2, 53-64.
• Samarasekara, G.N., Fukahori, K. & Kubota, Y., (2009) Effect of street trees on spatial cognition in residential areas: An investigation based on development perspective Journal of Architecture of Environment and Infrastructure, 2, 75-86.
• Samarasekara, G.N., Fukahori, K. & Kubota, Y.(2011), Environmental correlates that provide cues for tourists: An analysis based on Walking decision narrations, Environment & Behavior (43), 501-524.
• Konara K.M.T.N., Samarasekara G.N. , Tushara Chaminda G.G , Surendra Perera Comparison of emission levels of passenger transport modes in Sri Lanka, Journal of Atmospheric Pollution, 2019; 7(1):14-18.
• Kano, S., Yamaguchi, Y., Yamaguchi, M., &Samarasekara, G. N. Nightscape design proposals focusing on the illumination of arch bridges along Sumidagawa river. 1st Conference for the Japanese Society of Civil Engineers – Landscape division. Tokyo (Japan), December, 2005.
• Samarasekara, G.N., Fukahori, K. & Kubota, Y. Cognitive Distance Affected by Urban Vegetation. The 19th IAPS (International Association for People-Environment Studies) conference, pp116, Alexandria (Egypt), September 2006.
• Miyajima, S. Ke, W., & Samarasekara, G. N. Riverside Open Cafeteria Design at Ashigakubo, Saitama Prefecture, 4th Conference for the Japanese Society of Civil Engineers – Landscaping division. Kumamoto (Japan). December, 2008.
• Samarasekara、G.N., Fukahori, K. & Kubota, Y., Development of a Lexicon of walkable environmental descriptors. Proceedings of the 11th International Summer Symposium of JSCE, pp 181-184. Tokyo (Japan) September, 2009.
• Samarasekara、 G.N., Fukahori, K. & Kubota, Y., Walkability for Tourists: Classification of Streetscapes and Identification of Influential Walking Needs. Proceedings of the 13th International Summer Symposium of JSCE, pp 181-184. Kyoto (Japan) August, 2011.
• De Silva D.B.S., Srimal G.M.C., Gunawardhane A.A., Samarasekara, G.N., Identification of safe pedestrian environmental features – Investigation based on traffic accident analysis; Engineering Graduate Symposium – 2011; 35-36, Galle; September 2011.
• Balasooriya B.A.D.R.C.,Jayasundara K.M.P.R.,Chamara W.K.J., Samarasekara, G.N., A study on the identification of influential walking needs and associated physical environmental features; Engineering Graduate Symposium – 2011; 33-34, Galle; September 2011.
• Samarasekara, G.N, De Silva D.B.S., Srimal G.M.C., Gunawardhane A.A.,Kariywasam, C., Development of a complementary data base and an interactive map for pedestrian related road accidents; 9th Academic Sessions, University of Ruhuna,91, Matara; February 2012.
• Samarasekara、 G.N., Fukahori, K. & Kubota, Y., Walkability for Tourists: Development of Prediction Equations for Walking Needs of Tourists.. Proceedings of ACEPS – 2012 International Symposium, pp 110-117. Galle, March, 2012.
• Deshapriya, H.G.S.D, Gunasekara W.M.N.N., & Samarasekara G.N., Development of Visual Quality Evaluation Criteria for Rural Expressways – A case study based on Southern Expressway; Engineering Graduate Symposium – 2012; pp 47-48, Galle(Sri Lanka), January 2013.
• Gunawardhana, D., Samarasekara、G.N., Fukahori, K. &Chaminda, H.A.C.(2012) Evaluation of Landscape along a Tropical Expressway based on Landscape Components: Case Study based on Southern Expressway, pp 61-69, 106th Transactions of Annual Sessions of IESL.
• Ellawala, C.K., Samarasekara G. N., Samaraweera, D.D., Balasooriya B.M.G.N. and Jayasekara, W.A.C.R. (2014)Floristic Composition of Roadside Vegetation and Involvement of landowners along Roadsides: A Case Study in Southern Sri Lanka, 108th Transactions of Annual Sessions of IESL.
• Chaminda G.G.T. & Samarasekara G.N., Rathnayake R.M.P.I.U, Madushanka E.M.N, Galahitiyawa G.W.S.U. (2014),Transport Sector Emissions in Sri Lanka: Emission Levels by Vehicle Type and Influence of Fuel Price, Vehicle Import Tax Variation on Vehicle Fleet, pp, 108th Transactions of Annual Sessions of IESL.
• Jayasundara, K Ganga N. Samarasekara, K. Nandapala, Chaminda GGT, Potential of improving air quality and thermal comfort via green boundary walls; 5th International Symposium on Advances in Civil and Environmental Engineering, Mar 2017 Galle, Sri Lanka.
• K.M.T.N. Konara, G.N. Samarasekara, G.G.T. Chaminda, Development of a formula to quantify emissions generated from diesel vehicles in Sri Lanka; 5th International Symposium on Advances in Civil and Environmental Engineering, Mar 2017 Galle, Sri Lanka.
• Mohomed M, Samarasekara G.N. (2017) Evaluation of Undulations in Pedestrian Spaces and Their Effects on Walkability; Proceedings of EASTS, 12th International conference of EASTS, September 2017, Hochi Ming City Vietnam.
• Samarasekara G.N, Mudunkotuwa, M.H.V.D.Y. Nandapala M.P.K.C., Jayasekara P.G. Bandara P.M.T. M, (2017), Identification of competencies developed through problem based student competitions during foundation years: Case study of Engineering undergraduates, International Conference on Global Education and E – Learning, October 2017, Colombo, Sri Lanka.
• Fernando G S, Samarasekara G N, (2017), Curriculum composition requirements for Engineering undergraduate programs: A study based on Washington Accord Accreditation criteria, International Conference on Global Education and E – Learning, October 2017, Colombo, Sri Lanka.
• Mudunkotuwa, M.H.V.D.Y., Samarasekara G.N, Nandapala M.P.K.C., Jayasekara P.G., Bandara P.M.T., Priyadarshani, K.A.M, (2017), An approach to deal with free riders in assessed group work. A case study in an undergraduate engineering program, International Conference on Global Education and E – Learning, October 2017, Colombo, Sri Lanka.
• Kumara N.G.M., Siriwardana D.J.S.I, Alagiyawanna A.M.N.,& Samarasekara G.N., Evaluation of Transportation Network Impact in Galle Fort.; Engineering Graduate Symposium – 2012, pp 51-52, Galle Sri Lanka), January 2013.
• Samarasekara G.N., Madushanka W.C.M.S (2019) An analysis of frequently observed roadside green boundary wall facades in Western Province, Sri Lanka : Visual configurations, cost and operational challenges, 07th International Symposium on Advances in Civil and Environmental Engineering Practices for Sustainable Development, ACEPS 2019, Galle, Sri Lanka

Scholarships

Japanese Government Scholarship (MEXT) (2008-2010)
Honda Benjiro Scholarship (2007- 2008)
Sato Scholarship (2006 – 2007)
Heiwa Nakajima Scholarship (2005)
JASSO scholarship for short term exchange students (2004-2005)

Research Grants

Undergraduate researches

Effectiveness of traffic calming measures
Estimation of a critical gap in an uncontrolled intersection
OD data for predicting travel demand Freight trips
OD data for predicting travel demand Passenger
Effect of non-uniform design speeds in highway curves
Safety effects of humps in arterial roads
Improvement of thermal comfort around roadside boundary walls

Postgraduate researches

MSc
Applicability of Prospect and Refuge theory for the aesthetic design of highway landscapes in tropical climates

MPhil
Evaluation of the potential of different green boundary wall facade designs to achieve thermal comfort and to purify air
Development of design guidelines for optimum design of acceleration lane length in Sri Lankan expressways

Contact number: 0 113 041603

Email: gangas@sjp.ac.lk, head.ce@sjp.ac.lk