Experimental study on slender reinforced concrete columns wrapped with CFRP |
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| Authors: | HU Zhongjun NIE Lei PAN Jinglong XU Tian |
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| Institution: | 1. College of Construction Engineering, Jilin University, Changchun 130026, China
2. School of Civil Engineering, Harbin Institute of Technology, Harbin 150090, China |
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| Abstract: | By axial compression tests on 6 reinforced concrete slender columns wrapped with carbon fiber-reinforced plastic (CFRP), with slenderness ratio(SR) from 4.5 to 17.5, the results show that when SR increases the retrofitting effect declines. In the case of same SR, the stability coefficient (SC) for the reinforced concrete(RC) columns with CFRP is much less than that without CFRP. There is 20% increase of stable bearing capacity to the former as compared with the latter when the SR in less than 17.5. The study summarized the simplified formula for SC, which provides a reference for engineering designers. |
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| Keywords: | carbon fiber reinforced plastics reinforced concrete column stability coefficient slenderness ratio |
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