Abstract
Steel plates are damaged in harsh environments, such as moisture and acidic environments, especially at high temperatures. Damaged areas in steel plates can be strengthened by bonding fiber reinforced polymer (FRP) composites. This paper investigates the effect of harsh environment on the load-carrying capacity of damaged steel specimens reinforced by the GFRP patch. The results of the patched samples immersed in accelerated harsh environments consisting of distilled water and strong sulfuric acid solution are compared to dry ones in the room and high-temperature conditions. The results show about 13% reduction in load-carrying capacity after 8 weeks of immersion in both harsh environments at room temperature. Moreover, the results of high-temperature tension test for patched samples immersed in high-temperature acidic solution show a significant reduction in displacement and load-carrying capacity even after 1 week. The failure mode investigation of dry specimens by numerical analyses shows good consistency with the experimental results.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
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