Experimental study on compressive behavior of damaged normal- and high-strength concrete confined with CFRP laminates
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- 作者：Yongchang Guoa ; Jianhe Xiea ; Jhxie@gdut.edu.cn" class="auth_mail" title="E-mail the corresponding author ; J.Xie@qub.ac.uk" class="auth_mail" title="E-mail the corresponding author ; Zhihong Xieb ; Jian Zhonga
- 关键词：Carbon fibre reinforced polymer (CFRP) ; Confined concrete ; Pre-existing damage ; High strength concrete ; Axial compression
- 刊名：Construction and Building Materials
- 出版年：2016
- 出版时间：15 March 2016
- 年：2016
- 卷：107
- 期：Complete
- 页码：411-425
- 全文大小：3847 K
文摘
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The effect of pre-existing damage is significant on the compressive performance of confined NSC with small amounts of CFRP.
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The effect of pre-existing damage is smaller on CFRP-confined HSC than on CFRP-confined NSC.
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Pre-existing damage causes higher lateral strain for CFRP-confined NSC and HSC resulting in earlier failure.
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Increasing confinement pressure can eliminate the negative effect of pre-existing damage.