A Review on Strengthening Steel Beams Using FRP under Fatigue

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ID: 54308
2014
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Abstract
In recent decades, the application of fibre-reinforced polymer (FRP) composites for strengthening structural elements has become an efficient option to meet the increased cyclic loads or repair due to corrosion or fatigue cracking. Hence, the objective of this study is to explore the existing FRP reinforcing techniques to care for fatigue damaged structural steel elements. This study covers the surface treatment techniques, adhesive curing, and support conditions under cyclic loading including fatigue performance, crack propagation, and failure modes with finite element (FE) simulation of the steel bridge girders and structural elements. FRP strengthening composites delay initial cracking, reduce the crack growth rate, extend the fatigue life, and decrease the stiffness decay with residual deflection. Prestressed carbon fibre-reinforced polymer (CFRP) is the best strengthening option. End anchorage prevents debonding of the CRRP strips at the beam ends by reducing the local interfacial shear and peel stresses. Hybrid-joint, nanoadhesive, and carbon-flex can also be attractive for strengthening systems.
Reference Key
kamruzzaman2014athe Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Kamruzzaman, Mohamed;Jumaat, Mohd Zamin;Sulong, N. H. Ramli;Islam, A. B. M. Saiful;
Journal the scientific world journal
Year 2014
DOI
DOI not found
URL
http://dx.doi.org/10.1155/2014/702537
Keywords
Organic Chemistry Medicine Engineering (General). Civil engineering (General) Technology Science environmental engineering electronic computers. computer science mining engineering. metallurgy

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