Retrofitting reinforced concrete bridge frames using externally bonded FRP sheets

Pandey, G.R., Mutsuyoshi, H., and Aravinthan, T. (2007) Retrofitting reinforced concrete bridge frames using externally bonded FRP sheets. In: Proceedings of the First Asia Pacific Conference on FRP in Structures (1), pp. 79-86. From: Asia-Pacific Conference on FRP in Structures, 12-14 December 2007, Hong Kong, China.

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Abstract

An experimental study was conducted to study the application of extemally bonded FRP (Fiber Reinforced Polymer) sheets on the transverse beani of RC (Reinforced Concrete) bridge frames. In shear strengthening beams using FRP sheets, full wrapping is not always possible and in U-wrapping, debonding failure of FRP sheet limits the proper utilization of its strength. Therefore, in this research FRP sheets were mechanically anchored. A total number of six specimens with different wrap configurations and mechanical anchorage schemes were tested. Experimental results showed that a proper selection of mechanical anchorage scheme for FRP sheet in V-wrap portion is necessary for the significant enhancement of shear strength of RC beam close to that of a fully wrapped beam.

Item ID: 3075
Item Type: Conference Item (Refereed Research Paper - E1)
Keywords: FRP; RC beams; sheer strengthening; debonding; mechanical anchorage
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ISBN: 978-962-8014-14-9
Date Deposited: 25 Sep 2009 03:11
FoR Codes: 09 ENGINEERING > 0905 Civil Engineering > 090506 Structural Engineering @ 80%
09 ENGINEERING > 0905 Civil Engineering > 090502 Construction Engineering @ 20%
SEO Codes: 87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870301 Cement and Concrete Materials @ 60%
87 CONSTRUCTION > 8703 Construction Materials Performance and Processes > 870303 Polymeric Materials (e.g. Paints) @ 30%
87 CONSTRUCTION > 8704 Construction Processes > 870401 Civil Construction Processes @ 10%
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