| 平面K型圆钢管混凝土桁架节点力学性能分析 |
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| 引用本文： | 郑莲琼.平面K型圆钢管混凝土桁架节点力学性能分析[J].钢结构,2011(11):20-23. |
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| 作者姓名： | 郑莲琼 |
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| 作者单位： | 福建工程学院土木工程系,福州,350108 |
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| 基金项目： | 福建省自然科学基金，福建工程学院科研发展青年基金 |
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| 摘 要： | 采用有限元分析软件ABAQUS对K型圆钢管混凝土节点与空钢管节点进行计算分析,比较两者破坏形态的差别,并对K型圆钢管混凝土节点各种可能的破坏模式进行分析.在此基础上,分析支管外径与主管外径比β、支主管夹角θ、弦杆轴向压力等参数对圆钢管混凝土K型节点极限承载力的影响.
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| 关 键 词： | 钢管混凝土 K型节点 破坏形态 极限承载力 |
MECHANICAL PROPERTY ANALYSIS OF CONCRETE-FILLED CIRCULAR STEEL TUBULAR K-JOINTS OF TRUSS |
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| Zheng Lianqiong.MECHANICAL PROPERTY ANALYSIS OF CONCRETE-FILLED CIRCULAR STEEL TUBULAR K-JOINTS OF TRUSS[J].Steel Construction,2011(11):20-23. |
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| Authors: | Zheng Lianqiong |
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| Affiliation: | Zheng Lianqiong (Department of Civil Engineering, Fujian University of Technology, Fuzhou 350108, China) |
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| Abstract: | The failure mode of K-joints of concrete-filled circular steel tubular (CFST) truss is compared with that of circular hollow section(CHS) by ABAQUS. The various conceivable failure modes are analysed for K-joints of CFST. The results of a parametric study to examine the influences of parameters on bearing capacities of K-joints of CFST, such as the diameter ratio of diagonal tube and chord tube β, angle between diagonal and chord, axial load level of chord are presented. |
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| Keywords: | concrete-filled steel tubes K-joint failure mode ultimate bearing capacity |
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