Bonding Characteristics and Flexural Stiffening Effect of CFRP Strand Sheets Bonded to Steel Beams


Medium: journal article
Language(s): en 
Published in: Procedia Engineering, , v. 40
Conference: Steel Structures and Bridges 2012
Page(s): 137-142
DOI: 10.1016/j.proeng.2012.07.069
Abstract: Corrosion of steel structures is unavoidable and the structural performance decreases dramatically due to the corrosion. As a repairing method for corroded steel members, bonding carbon fiber sheets with resin had been developed. In this study, in order to clarify the stiffening effect and debonding characteristics of CFRP (Carbon Fiber Reinforcement Polymer) strand sheets, the flexural tests using high strength steel reinforced by CFRP strand sheets were performed. As a result, it was clarified that CFRP strand sheets have stiffening effect equivalent to the theoretical value and its debonding property is practically high enough when FRP sheets have an appropriate bonding length.
Keywords: corrosion, CFRP strand sheets, debonding, flexural strengthening, steel members


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