| Bearing capacity analysis of reinforced concrete L-shaped cross-section under biaxial eccentric compression |
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| 作者姓名： | JIAO Junting YE Yinghu DIAO Bo |
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| 作者单位： | Department of Civil Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China,Department of Civil Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China,Department of Civil Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| 基金项目： | Supported by the National Natural Science Foundation of China (Grant. Nos. 50178008 and 59978004) |
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| 摘 要： | The ultimate capacity of short L-shaped reinforced concrete (RC) members subjected to biaxial eccentric compression is investigated to provide a new tool for structure engineers. On the basis of nonlinear analysis of RC arbitrary cross-section, a new simplified cross-section numerical integration method is suggested. The cross-section is divided into several triangles, and each one is integrated with Gauss integration method. And L-shaped cross-sections subjected to biaxial eccentric compression are analyzed. The interaction curves of (N-M) and (My-Mz) for L-shaped sections are derived. The analytical results are well consistent with the experimental data and other analytical results.
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| 关 键 词： | nonlinear analysis L-shaped cross-section biaxial eccentric compression bearing capacity |
Bearing capacity analysis of reinforced concrete L-shaped cross-section under biaxial eccentric compression |
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| JIAO Junting,YE Yinghu,DIAO Bo.Bearing capacity analysis of reinforced concrete L-shaped cross-section under biaxial eccentric compression[J].Progress in Natural Science,2003,13(6):429-433. |
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| Authors: | JIAO Junting YE Yinghua DIAO Bo |
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| Institution: | Department of Civil Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | The ultimate capacity of short L-shaped reinforced concrete (RC) members subjected to biaxial eccentric compression is investigated to provide a new tool for structure engineers. On the basis of nonlinear analysis of RC arbitrary cross-section, a new simplified cross-section numerical integration method is suggested. The cross-section is divided into several triangles, and each one is integrated with Gauss integration method. And L-shaped cross-sections subjected to biaxial eccentric compression are analyzed. The interaction curves of (N-M) and (My-Mz) for L-shaped sections are derived. The analytical results are well consistent with the experimental data and other analytical results. |
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| Keywords: | nonlinear analysis L-shaped cross-section biaxial eccentric compression bearing capacity |
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