Rehabilitation of cracked and corroded reinforced concrete beams with fiber-reinforced plastic patches

Chung Yue Wang, Chien Chih Shih, Shao Chih Hong, Wei Chih Hwang

研究成果: 雜誌貢獻期刊論文同行評審

22 引文 斯高帕斯(Scopus)

摘要

The behavior under static loading of fiber-reinforced plastic (FRP) retrofitted reinforced concrete beams, possessing a high chloride content and rebar corrosion, was studied both experimentally and analytically. The test beams were characterized as falling into three different groups according to the state of their corrosion damage: (1) natural corrosion, (2) cathodic protection, and (3) accelerated corrosion. The load carrying capacities of the beams, with or without FRP patching, were tested in the laboratory. The experimental results show that the state of corrosion of the steel, the water/cement ratio of the concrete material, and the arrangement and the number of FRP patches all affect the strength as well as the failure mechanisms of retrofitted RC beams. Some simple analytical models and a design concept for retrofitting cracked and corroded RC beams with FRP sheets are also presented and discussed.

原文???core.languages.en_GB???
頁(從 - 到)219-228
頁數10
期刊Journal of Composites for Construction
8
發行號3
DOIs
出版狀態已出版 - 5月 2004

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