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FRP抗震加固混凝土梁柱节点的受剪承载力分析
引用本文:彭亚萍,王铁成,刘增夕,黄博升.FRP抗震加固混凝土梁柱节点的受剪承载力分析[J].地震工程与工程振动,2006,26(1):116-121.
作者姓名:彭亚萍  王铁成  刘增夕  黄博升
作者单位:1. 天津大学,建筑工程学院,天津,300072;济南大学,土木建筑学院,山东,济南,250022
2. 天津大学,建筑工程学院,天津,300072
3. 济南大学,土木建筑学院,山东,济南,250022
摘    要:通过采用SGFRP、HFRP加固的四个混凝土梁柱节点在低周反复荷载作用下的抗震性能对比试验研究,提出了FRP加固节点受剪承载力的计算公式,并基于分析给出了相关计算参数的工程设计建议取值,并对加固方式、纤维品种、纤维粘贴角度等主要因素对节点抗剪承载能力的影响机理进行了分析,结果表明:在节点核心区和梁柱端头粘贴纤维可以有效的提高节点的受剪承载能力;加固方式直接影响节点受剪承载能力的大小。

关 键 词:纤维增强复合材料  加固  混凝土梁柱节点  受剪承载力
文章编号:1000-1301(2006)01-0116-06
收稿时间:2005-03-01
修稿时间:2005-03-012005-06-25

Shear strength analysis of concrete beam-column joints reinforced with FRP
Peng Yaping,Wang Tiecheng,Liu Zengxi,Huang Bosheng.Shear strength analysis of concrete beam-column joints reinforced with FRP[J].Earthquake Engineering and Engineering Vibration,2006,26(1):116-121.
Authors:Peng Yaping  Wang Tiecheng  Liu Zengxi  Huang Bosheng
Institution:1. Department of Civil Engineering, Tianjin University, Tianjin 300072, China; 2. School of Civil Engineering and Architecture, Jinan University, Jinan 250022, China
Abstract:Based on the experiment research contrasted to the seismic capacity of four concrete beam-column joints reinforced with SGFRP and HFRP under cycle loads,the calculating formulas of shear strength of beam-column joints reinforced with FRP are presented,and the suggesting values of calculating parameters for engineering designing are introduced.This paper also makes the analysis of the influence mechanism of shear strength of beam-column joints with different reinforced methods,different fibers and different angles of sticking fibers.The results indicate that the shear strength of the core of joints and beam-column ends reinforced with fibers is efficiently improved,and the reinforcing methods directly influence the value of sheer strength.
Keywords:FRP  reinforced  concrete beam-column joints  shear strength
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