Date of Award
Civil and Environmental Engineering
basalt fibre reinforced polymer fabric, corroded steel beam, ductility, load-deflection behavior, optimum thickness of fabrics, rehabilitation
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There are many structurally deficient bridges in service all around North America. These bridges can cause a potential danger to public safety, and thus, are in desperate need of replacement or rehabilitation. Flexural rehabilitation of corroded steel beams using Carbon Fibre Reinforced Polymer (CFRP) and Glass Fibre Reinforced Polymer (GFRP) have been studied in the past. However, studies have not been conducted on the rehabilitation of corroded steel beams using Basalt Fibre Reinforced Polymer (BFRP). This research examined the feasibility and effectiveness of using BFRP fabric for the rehabilitation of corroded steel beams by performing full-scale tests and developing finite element models. The study found that both yield and ultimate load capacities of a corroded steel beam can be fully restored provided sufficient thickness of BFRP fabric is used. It may be difficult to fully restore the ductility of a corroded steel beam; however, the ductility can be improved and the improvement depends on the thickness of BFRP fabric.
Jayasuriya, Sahan Yashoda, "Experimental study on corroded steel beams rehabilitated using BFRP wrap" (2017). Electronic Theses and Dissertations. 5991.