建筑结构

2009, v.39;No.307(07) 104-107

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基于延性的预应力碳纤维板加固混凝土梁设计方法
Study of design method of concrete beams strengthened with prestressed CFRP plates based on ductility

邓朗妮;张鹏;燕柳斌;陈华;韦永乐;
Deng Langni~(1,2),Zhang Peng~1,Yan Liubin~2,Chen Hua~1,Wei Yongle~1(1 Department of Civil Engineering and Architecture,Guangxi University of Technology,Liuzhou 545006,China;2 College of Civil Engineering and Architecture,Guangxi University,Nanning 530004,China)

摘要(Abstract):

在完成2根预应力碳纤维板加固混凝土梁试验研究的基础上,提出了根据确定的目标延性系数反算碳纤维板加固面积或初始张拉控制应力的设计计算方法。通过计算结果与试验结果的比较,说明计算方法具有良好的适用性,可为实际工程设计提供参考。
Based on the experiment of 2 reinforced concrete beams strengthened with prestressed CFRP plates,a design calculation is derived for determining the allowable plate area or initial tension control stress to achieve a target value of ductility.Calculational results are compared with experimental data,comparisons show that the calculation method have good applicability.It can provide a reference for engineering application of strengthening design.

关键词(KeyWords): 预应力;碳纤维板;混凝土梁;延性;试验
prestressed;carbon fiber reinforced plastics plates(CFRP plates);concrete beams;ductility;test

Abstract:

Keywords:

基金项目(Foundation): 广西自然科学基金重点项目(桂科自0832002Z);; 柳州市科学研究与技术开发项目(2008031502);; 广西高校优秀人才资助计划项目(RC2007025);; 广西研究生教育创新计划资助项目

作者(Author): 邓朗妮;张鹏;燕柳斌;陈华;韦永乐;
Deng Langni~(1,2),Zhang Peng~1,Yan Liubin~2,Chen Hua~1,Wei Yongle~1(1 Department of Civil Engineering and Architecture,Guangxi University of Technology,Liuzhou 545006,China;2 College of Civil Engineering and Architecture,Guangxi University,Nanning 530004,China)

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DOI: 10.19701/j.jzjg.2009.07.031

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