| 钢管纤维混凝土短柱轴压承载力计算分析 |
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| 引用本文： | 李杉,卢亦焱,李娜,陈娟.钢管纤维混凝土短柱轴压承载力计算分析[J].华北水利水电学院学报,2012(6):59-63. |
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| 作者姓名： | 李杉 卢亦焱 李娜 陈娟 |
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| 作者单位： | 武汉大学土木建筑工程学院 |
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| 基金项目： | 湖北省杰出青年人才基金(2004ABB014);湖北省建设科技重点研究项目(K2005112005) |
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| 摘 要： | 钢管钢纤维高强混凝土柱是一种新型的结构.普通钢管混凝土短柱的承载力计算公式不能满足钢管钢纤维高强混凝土短柱的需要.在对7根钢管钢纤维高强混凝土短柱和3根钢管高强混凝土短柱试验的基础上,对其承载力进行了理论分析.推导了钢管钢纤维高强混凝土短柱极限承载力的理论计算公式,对其影响因素进行了分析,给出了钢管钢纤维高强混凝土短柱极限承载力的简化计算公式.公式的计算结果与试验结果吻合较好,可供工程设计参考.
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| 关 键 词： | 钢管混凝土 钢纤维 短柱 极限承载力 |
Bearing Capacity of Steel Fiber Reinforced High Strength Concrete Filled Steel Tube under Axial Compression |
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| LI Shan,LU Yi-yan,LI Na,CHEN Juan.Bearing Capacity of Steel Fiber Reinforced High Strength Concrete Filled Steel Tube under Axial Compression[J].Journal of North China Institute of Water Conservancy and Hydroelectric Power,2012(6):59-63. |
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| Authors: | LI Shan LU Yi-yan LI Na CHEN Juan |
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| Affiliation: | (School of Civil Engineering,Wuhan University,Wuhan 430072,China) |
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| Abstract: | The steel fiber reinforced high strength concrete filled steel tube column is a new composite structure.The existing bearing capacity formula for common concrete filled steel stub doesn't meet the need of calculation of steel fiber reinforced high strength concrete filled steel tube column.The experimental results of 3 short high strength concrete filled steel tube columns and 7 short steel fiber reinforced high strength concrete filled steel tube columns are presented.Based on the results,the bearing capacity of the short steel fiber reinforced high strength concrete filled steel tube columns is analyzed.A simple formula is proposed to calculate ultimate bearing capacity of the short steel fiber reinforced high strength concrete filled steel tube column.The calculated results are good agreement with experimental results.The formula can provide a reference for engineering design. |
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| Keywords: | concrete filled steel tube steel fiber short column ultimate bearing capacity |
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