my-profile
Contact
gobithas.t
gobithas.t@sliit.lk
Dr. Gobithas Tharmarajah
Senior Lecturer (HG) & Executive Director/Value Engineering Cell
Faculty of Engineering | Civil Engineering
Career Summary
Research Interests
- Application of natural, steel and plastic fibres in advanced concrete such as Fiber Reinforced Concrete (FRC)
- Application of Fiber Reinforced Polymer (FRP) reinforcement in civil infrastructure to enhance sustainability
- Nonlinear analysis of Composite Structures
- Modular Structures
- Non-Destructive Evaluation of Concrete Structures for Corrosion
Teaching Interests
- Structural Analysis
- Structural Design
- Engineering Mechanics
Other Affliation
- University Associate - Faculty of Science and Engineering, Curtin University of Technology, Australia, 2016 – date
- Senior Treasurer – Faculty of Engineering, SLIIT, 2013 – Date
- Structural Consultant - MVIVO (Pvt) Ltd., December 2018 – December 2022
- Visiting Senior Lecturer - Faculty of Engineering, South Eastern University of Sri Lanka, Oluvil, Sri Lanka, 2016 – 2019
Employment History
- Chief Technology Officer – MVIVO (Pvt) Ltd., October 2020 – October 2021
- Acting Head – Department of Civil Engineering, Faculty of Engineering, June 2016 – October 2016
- Research Engineer - Athlone Institute of Technology, Republic of Ireland, July 2011 – Nov. 2012
- Postgraduate Researcher – Queen’s University Belfast, Sep 2007 – Jan. 2010
- CAD Designer Intern - The Culver Group Inc., California, U.S.A., May 2007 – Sep. 2007
- Trainee Structural Engineering - Stems Consultants (Pte) Ltd., Sri Lanka, Feb. 2005 – Aug. 2005
ACADEMIC QUALIFICATIONS
- Ph.D. in Structural Engineering, Queen’s University Belfast, United Kingdom, 2011
- B.Sc. Engineering (1st Honours) in Civil Engineering, University of Moratuwa, Sri Lanka, 2007
HONOURS AND AWARDS
- ORSAS Fellowship, Queen’s University Belfast (2007 - 2010)
- Best Civil Engineering Comprehensive Design Project, University of Moratuwa, Sri Lanka (2007)
- Deans List honor for outstanding GPA, University of Moratuwa, Sri Lanka (2004 - 2006)
Research Interests and Memberships
Research Interests
- Application of natural, steel and plastic fibres in advanced concrete such as Fiber Reinforced Concrete (FRC)
- Application of Fiber Reinforced Polymer (FRP) reinforcement in civil infrastructure to enhance sustainability
- Nonlinear analysis of Composite Structures
- Modular Structures
- Non-Destructive Evaluation of Concrete Structures for Corrosion
Memberships
- Member, Institution of Engineers, Australia
- Associate Member, Institution of Engineers, Sri Lanka
Ongoing Research
- Natural fibres in cement-based composites
- Development of Bridge Health Monitoring System
- Numerical evaluation of FRP Reinforced Flexural Members.
My Publications
Book Chapters
- Vilvarajah A & Tharmarajah G " ’Theoretical and numerical interpretation of real strength of in-plane restrained slabs " Advances in Concrete Technology, Structural Engineering and Design, Kandy, 2019, University of Peradeniya, pp.49-61,
- Tharmarajah G; Taylor S; Cleland D., and Robinson D " Behaviour of FRP reinforced restrained slabs " Editors: Claire J. Whysall, Sue M. Halliwell, J. Toby Mottram, Advanced Composites in Construction 2011, Chesterfield, 2011, NetComposites, pp.226 – 239,
- Tharmarajah G., Taylor S.E., Robinson D., Cleland D.J. " Arching Action in Laterally Restrained GFRP Reinforced Slabs " Ye L., Feng P., Yue Q. (eds) , Advances in FRP Composites in Civil Engineering, Berlin, Heidelberg, 2011, Springer,
- G Tharmarajah; Su Taylor; D.J Cleland; Des Robinson " FRP reinforced laterally restrained slabs for sustainable structures (Invited article) " Concrete Today, Dublin, Ireland, 2010, Irish Concrete Federation,
Conference Presentations
- Gobithas Tharmarajah " Compressive membrane action in FRP reinforced slabs Presentation, at Institution of Structural Engineers, United Kingdom, 2008
Conference Proceedings
- G Tharmarajah; D.J Cleland; Su Taylor; Des Robinson Influence of reinforcement percentage in FRP reinforced laterally restrained slabs in Concrete Communication Symposium, year 2009, Leeds, United Kingdom, pp.38-39, The Concrete Centre, UK, September 2009,
- G Tharmarajah; D.J Cleland; Su Taylor; Des Robinson FRP reinforced laterally restrained concrete slabs in Advanced Composites in Construction 2009, year 2009, Edinburg, UK, Netcomposites, September 2009,
- G Tharmarajah; D.J Cleland; Su Taylor; Des Robinson Compressive Membrane action in FRP reinforced slabs in 9th International Symposium on FRP Reinforcement for Concrete Structures, year 2009, Sydney, Australia, FRPRCS, July 2009,
Journal Publications
- Gobithas Tharmarajah; Su Taylor; Desmond Robinson " "Experimental and Numerical Investigation of Compressive Membrane Action in GFRP-Reinforced Concrete Slabs" " Polymers , vol.15, Issue 5, 2023, pp.1230, https://doi.org/10.3390/polym15051230,
- Chirath Hettiarachchi, Gobithas Tharmarajah " "Effect of Surface Modification and Fibre Content on the Mechanical Properties of Coconut Fibre Reinforced Concrete" " Advanced Materials Research, vol.1159, 2020, pp.78-99, https://doi.org/10.4028/www.scientific.net/AMR.1159.78,
- Paul Archbold, Gobithas Tharmarajah " "Evaluation of corrosion-resistant basalt-fiber-reinforced polymer bars and carbon-fiber-reinforced polymer grid reinforcement to replace steel in precast concrete underground utility vaults" " PCI Journal, vol.61, Issue 5, 2016, pp.69-76, https://doi.org/10.15554/pcij61.5-02,
- Gobithas Tharmarajah; Su Taylor; D.J. Cleland; Des Robinson " "Corrosion-resistant FRP reinforcement for bridge deck slabs" " Proceeding of ICE- Bridge Engineering, vol.168, Issue 3, 2015, pp.208-217, https://doi.org/10.1680/jbren.13.00001,
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