| 钢管钢纤维高强混凝土短柱轴心受压试验研究 |
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| 引用本文： | 卢亦焱,陈娟,李杉.钢管钢纤维高强混凝土短柱轴心受压试验研究[J].建筑结构学报,2011,32(10):166-172. |
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| 作者姓名： | 卢亦焱 陈娟 李杉 |
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| 作者单位： | 武汉大学 土木建筑工程学院， 湖北武汉 430072 |
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| 基金项目： | 湖北省杰出青年人才基金项目(2004ABB014); 湖北省建设科技重点研究项目(K2005112005) |
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| 摘 要： | 对7根圆钢管钢纤维高强混凝土短柱和3根圆钢管高强混凝土短柱进行了轴心受压试验，研究钢纤维掺量、含钢率和混凝土强度等级对钢管钢纤维高强混凝土短柱受力性能的影响。研究结果表明：随着钢纤维体积掺量的增加，钢管钢纤维高强混凝土短柱的延性逐渐增大，承载力略有提高；随着含钢率的增加，钢管钢纤维高强混凝土短柱的承载力和延性均增大；随着混凝土强度等级的增加，钢管钢纤维高强混凝土短柱的承载力增大，延性逐渐降低；掺入钢纤维对钢管高强混凝土短柱的破坏模式几乎没有影响。最后给出了钢管钢纤维高强混凝土短柱承载力计算式。
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| 关 键 词： | 钢管钢纤维高强混凝土短柱 静力试验 力学性能 轴心受压 |
Experimental research on steel fiber reinforced high strength concrete filled steel tubular short columns subjected to axial compression load |
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| LU Yiyan,CHEN Juan,LI Shan.Experimental research on steel fiber reinforced high strength concrete filled steel tubular short columns subjected to axial compression load[J].Journal of Building Structures,2011,32(10):166-172. |
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| Authors: | LU Yiyan CHEN Juan LI Shan |
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| Affiliation: | School of Civil Engineering, Wuhan University, Wuhan 430072, China |
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| Abstract: | A total of 7 steel fiber reinforced high strength concrete filled steel tubular(SFRCFST) short column specimens and 3 high strength concrete filled steel tubular(CFST) short column specimens were tested under axial compression load.The influences of the volumetric content of steel fiber,concrete strength and steel ratio on the compression behavior of the concrete filled steel tubular short columns were investigated.The results indicate that,with the increasing of the volumetric content of steel fiber,SFRCFS... |
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| Keywords: | steel fiber reinforced high strength concrete filled steel tubular column axial compression static test mechanical behavior |
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