| 箱形型钢混凝土梁纯扭性能试验 |
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| 引用本文： | 丁海军,梁书亭,朱筱俊,张根俞.箱形型钢混凝土梁纯扭性能试验[J].建筑结构,2011(1). |
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| 作者姓名： | 丁海军 梁书亭 朱筱俊 张根俞 |
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| 作者单位： | 东南大学土木工程学院;东南大学建筑设计研究院;中国建筑设计研究院; |
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| 基金项目： | 国家自然科学基金预研项目(KJ2009253) |
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| 摘 要： | 介绍了7根箱形型钢混凝土梁和1根钢筋混凝土梁的纯扭试验,并对试验现象进行了描述。在此基础上根据混凝土、钢筋和型钢不同位置处的应变情况,详细分析了箱形型钢混凝土梁受扭过程中的力学性能;同时分析了不同型钢截面、不同配筋情况和箱形型钢内是否浇注混凝土等对型钢混凝土梁纯扭性能的影响。结果表明,加载过程中型钢与混凝土能协同工作;箱形型钢抗扭刚度和配箍率对箱形型钢混凝土梁的抗扭承载力有显著影响。
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| 关 键 词： | 箱形型钢混凝土 纯扭 试验研究 力学性能 |
Experimental research on pure torsional behavior of box-shaped steel reinforced concrete beams |
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| Ding Haijun,Liang Shuting,Zhu Xiaojun,Zhang Genyu.Experimental research on pure torsional behavior of box-shaped steel reinforced concrete beams[J].Building Structure,2011(1). |
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| Authors: | Ding Haijun Liang Shuting Zhu Xiaojun Zhang Genyu |
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| Affiliation: | Ding Haijun1,Liang Shuting1,Zhu Xiaojun2,Zhang Genyu3(1 College of Civil Engineering,Southeast University,Nanjing 210096,China,2 Architectural Design & Research Institute,3 China Architectural Design & Research Group,Beijing 100044,China) |
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| Abstract: | Pure torsion tests for 7 box-shaped steel reinforced concrete(BSRC) beams and 1 reinforced concrete beams were introduced,and the test phenomenon was described.The mechanical behavior of beams during the whole loading process was analyzed based on the strain obtained from the strain gauges attached to different positions of concrete,reinforcement bars and steels.At the same time,influence of different section of box-shaped steel,different reinforcement arrangement and whether cast concrete inside box-shaped... |
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| Keywords: | box-shaped steel reinforced concrete pure torsion experimental research mechanical behavior |
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