| FRP加筋混凝土梁受弯性能有限元分析 |
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| 引用本文： | 王勃,付德成,尹新生. FRP加筋混凝土梁受弯性能有限元分析[J]. 混凝土, 2008, 0(5): 13-15 |
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| 作者姓名： | 王勃 付德成 尹新生 |
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| 作者单位： | 1. 吉林建筑工程学院,土木工程学院,吉林,长春,130021;哈尔滨工业大学,土木工程学院,黑龙江,哈尔滨,150090
2. 吉林建筑工程学院,土木工程学院,吉林,长春,130021 |
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| 基金项目： | 建设部研究开发基金 , 中国博士后科学基金 , 黑龙江省博士后科研启动基金 , 吉林建筑工程学院博士科研启动基金 |
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| 摘 要： | 建立了FRP加筋混凝土梁的有限元模型,对GFRP和CFRP加筋混凝土梁受弯性能进行非线性有限元分析,GFRP和CFRP加筋混凝土梁的开裂荷载计算值比试验值分别低15.4%和4.2%;极限荷载计算值比试验值分别高12.7%和4.0%;最大变形计算值比试验值分别高4.0%和低19.2%.荷载-变形计算曲线和试验曲线吻合较好,并能模拟混凝土受压裂缝出现后的延性性能.
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| 关 键 词： | FRP筋 混凝土梁 有限元模型 非线性 荷载-变形 |
| 文章编号： | 1002-3550(2008)05-0013-03 |
| 修稿时间： | 2007-12-26 |
Finite element analysis of flexural behavior of concrete beam reinforced with FRP bar |
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| WANG Bo,FU De-cheng,YIN Xin-sheng. Finite element analysis of flexural behavior of concrete beam reinforced with FRP bar[J]. Concrete, 2008, 0(5): 13-15 |
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| Authors: | WANG Bo FU De-cheng YIN Xin-sheng |
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| Affiliation: | WANG Bo1.2,FU De-cheng1,YIN Xin-sheng1(1.School of Civil Engineering,Jilin Architecture , Civil Engineering Institute,Changchun 130021,China,2.School of Civil Engineering,Harbin Institute of Technology,Harbin 150090,China) |
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| Abstract: | The finite element model of concrete beam reinforced with FRP bar is presented.The calculated crack load was 15.4% and 4.2%,the ultimate load was 12.7% and 4.0% larger,the maximum deflection was 4.0% larger and 19.2% lower compared with experimental value for the concrete beam reinforced with GFRP and CFRP bar,respectively.The calculating curves of load-deflection relationship agree well with the experimental curves,the ductile behavior can be simulated after the concrete crash,based on nonlinear finite ele... |
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| Keywords: | FRP bars concrete beam finite element model nonlinear load-deflection relationship |
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