| AN EXPERIMENTAL STUDY ON POST-BUCKLING BEHAVIOR OF SLENDER COLUMN WITH FIBER REINFORCED COMPOSITE MATERIAL |
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| 作者姓名： | Fan Qinshan L. H. Yam* Chen Wen Chen Zhengxin |
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| 作者单位： | Fan Qinshan;L. H. Yam*;Chen Wen;Chen Zhengxin，Department of Engineering Mechanics，Tsinghua University，Beijing 100084，*Hong Kong Polytechnic University |
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| 摘 要： | Equilibrium paths of post-buckling are measured for large slenderness column specimensmade of the fiber reinforced composite material. The influence of the initial curvature is investigatedexperimentally and compared with the result of the initial post-buckling theory. Both the theoreticaland experimental results reveal that the column with the initial curvature has stable post-buckling be-haviors and is not sensitive to the imperfection in the form of initial curvature. The experimental re-sults show that when the lateral buckling displacement is less than 20 percent of the column length, theexperimental results agree with the results from the theory of initial post-buckling quite well, whilethey agree with the results from the large deflection theory in a quite large range.
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| 收稿时间： | 20 September 1995 |
AN EXPERIMENTAL STUDY ON POST-BUCKLING BEHAVIOR OF SLENDER COLUMN WITH FIBER REINFORCED COMPOSITE MATERIAL |
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| Fan Qinshan,L. H. Yam*,Chen Wen,Chen Zhengxin,.AN EXPERIMENTAL STUDY ON POST-BUCKLING BEHAVIOR OF SLENDER COLUMN WITH FIBER REINFORCED COMPOSITE MATERIAL[J].Acta Mechanica Solida Sinica,1996,9(2):184-188. |
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| Authors: | Fan Qinshan L H Yam Chen Wen Chen Zhengxin |
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| Institution: | (1) Department of Engineering Mechanics, Tsinghua University, 100084 Beijing;(2) Hong Kong Polytechnic University, Hong Kong |
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| Abstract: | Equilibrium paths of post-buckling are measured for large slenderness column specimens made of the fiber reinforced composite material. The influence of the initial curvature is investigated experimentally and compared with the result of the initial post-buckling theory. Both the theoretical and experimental results reveal that the column with the initial curvature has stable post-buckling be- haviors and is not sensitive to the imperfection in the form of initial curvature. The experimental re- sults show that when the lateral buckling displacement is less than 20 percent of the column length, the experimental results agree with the results from the theory of initial post-buckling quite well, while they agree with the results from the large deflection theory in a quite large range. |
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| Keywords: | post-buckling initial curvature fiber reinforced composite material large deflection |
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