Progressive Failure and Ductility of FRP Composites for Construction: Review

Published on Jun 1, 2013in Journal of Composites for Construction3.925
路 DOI :10.1061/(ASCE)CC.1943-5614.0000355
Lawrence C. Bank34
Estimated H-index: 34
(CCNY: City College of New York)
Sources
Abstract
The purpose of this paper is to provide a review of and observations on progressive failure and ductility of fiber-reinforced polymer (FRP) composites of interest to civil and infrastructure construction applications. The primary reason for this is that although FRP composites have over the last 25 years successfully penetrated niche markets in civil engineering applications, one of the most frequently heard concerns from designers is their discomfort with the ductility of these composites and the structures built or reinforced with them, and that if the market for FRP applications in construction is to be expanded, the community must address this issue in greater depth. One approach is to use systemwide, structural, progressive failure behavior of the composite material itself to dissipate internal strain energy in lieu of the elastoplastic behavior of metallic materials. Specific applications of FRP composites in construction where progressive failure mechanisms have been considered are reviewed. These include FRP profiles, FRP frame connections, FRP reinforcing bars, externally bonded FRP or mechanically fastened FRP strengthening strips, and FRP column wraps. DOI: 10.1061/(ASCE)CC.1943-5614.0000355. 漏 2013 American Society of Civil Engineers. CE Database subject headings: Ductility; Energy dissipation; Progressive collapse; Pultrusion; Structure reinforcement; Composite materials; Construction. Author keywords: Crashworthiness; Ductility; Energy dissipation; Progressive failure; Pultruded profiles; Rebars; Strengthening; Wrapping.
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