| 带约束拉杆T形钢管混凝土短柱轴压性能的试验研究 |
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| 引用本文： | 左志亮,蔡健,钱泉,张吉嘉,陈庆军. 带约束拉杆T形钢管混凝土短柱轴压性能的试验研究[J]. 土木工程学报, 2011, 0(11): 43-51 |
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| 作者姓名： | 左志亮 蔡健 钱泉 张吉嘉 陈庆军 |
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| 作者单位： | 华南理工大学;华南理工大学亚热带建筑科学国家重点实验室; |
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| 基金项目： | 国家自然科学基金(50878087); 广东省自然科学基金(9451064101002910); 中央高校基本科研业务费专项资金(2011ZM0112) |
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| 摘 要： | 介绍11个带约束拉杆和5个不带约束拉杆的T形钢管混凝土轴压短柱试件的试验研究,讨论在不同约束拉杆间距与直径、钢板厚度与屈服强度、截面尺寸下带约束拉杆T形钢管混凝土短柱的破坏特点、承载力、拉杆与钢管的应变特点等轴压性能。结果表明:约束拉杆的设置改变了钢管的屈曲模态,延迟钢管局部屈曲的发生,有助于T形钢管混凝土轴压短柱的承载力和延性的提高。采用现有规范或规程的计算公式对试件轴压承载力进行计算,对不同计算方法的适用性进行探讨。
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| 关 键 词： | T形 钢管混凝土 短柱 约束拉杆 轴压 试验研究 |
Experimental study on T-shaped CFT stub columns with binding bars subjected to axial compression |
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| Zuo Zhiliang Cai Jian, Qian Quan Zhang Jijia Chen Qingjun. Experimental study on T-shaped CFT stub columns with binding bars subjected to axial compression[J]. China Civil Engineering Journal, 2011, 0(11): 43-51 |
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| Authors: | Zuo Zhiliang Cai Jian Qian Quan Zhang Jijia Chen Qingjun |
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| Affiliation: | Zuo Zhiliang1 Cai Jian1,2 Qian Quan1 Zhang Jijia1 Chen Qingjun1(1.South China University of Technology,Guangzhou 510641,China,2.State Key Laboratory of Subtropical Building Science,South China University of Technology,China) |
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| Abstract: | The behavior of T-shaped concrete-filled steel tubular(T-CFT) stub columns subjected to axial compression was experimentally investigated,using 11 specimens with binding bars and 5 specimens without binding bars.The parameters under study are the spacing and diameter of binding bars,thickness and strength of steel plates,and section size.The axial bearing properties such as characteristics of failure,bearing capacity,characteristics of strain of the binding bars and the steel tube are discussed.The results ... |
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| Keywords: | T-shaped concrete-filled steel tube stub column binding bars axial compression experimental study |
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