Experimental study of FRP-strengthened RC bridge girders subjected to fatigue loading

被引：36
|
作者：
Wang, Y. C. [1 ]
Lee, M. G.
Chen, B. C.
机构：
[1] Natl Cent Univ, Dept Civil Engn, Tao Yuan 32001, Taiwan
[2] Chaoyang Univ Technol, Dept Construct Engn, Taichung 41349, Taiwan
来源：
COMPOSITE STRUCTURES | 2007年 / 81卷 / 04期
关键词：
experiment; reinforced concrete; retrofit; fibre reinforced polymer; fatigue;
D O I：
10.1016/j.compstruct.2006.09.012
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
The practical application of composite materials for retrofitting of reinforced concrete bridge T-sectional girders was investigated. Carbon and glass fibre-reinforced polymers (CFRP and GFRP) saturated in an epoxy resin matrix were used to enhance the service load-carrying capacity of the bridge. Three 5-m-long simply supported beams were tested under monotonic and cyclic loads for comparison to a beam subjected to more than 10(6) cycles in the service load range. The results show that an FRP-strengthened T-beam subjected to fatigue loading demonstrated excellent behaviour that can be expected from well-detailed retrofit schemes incorporating carbon and glass fibre laminates. (C) 2006 Elsevier Ltd. All rights reserved.
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页码：491 / 498
页数：8
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