[1]王清湘,赵大洲,关萍.轴心受压钢骨-钢管高强混凝土组合柱力学性能的研究[J].东南大学学报(自然科学版),2002,32(5):710-714.[doi:10.3969/j.issn.1001-0505.2002.05.007]
 Wang Qingxiang,Zhao Dazhou,Guan Ping.Research on the mechanical behavior of axially loaded circular steel tube columns filled with steel-reinforced high-strength concrete[J].Journal of Southeast University (Natural Science Edition),2002,32(5):710-714.[doi:10.3969/j.issn.1001-0505.2002.05.007]
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轴心受压钢骨-钢管高强混凝土组合柱力学性能的研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
32
期数:
2002年第5期
页码:
710-714
栏目:
土木工程
出版日期:
2002-09-20

文章信息/Info

Title:
Research on the mechanical behavior of axially loaded circular steel tube columns filled with steel-reinforced high-strength concrete
作者:
王清湘1 赵大洲1关萍2
1 大连理工大学土木工程系, 大连 116024; 2 大连大学土木建筑工程系, 大连 116622
Author(s):
Wang Qingxiang1 Zhao Dazhou1 Guan Ping2
1 Department of Civil Engineering, Dalian University of Technology, Dalian 116024, China
2 Department of Civil Engineering, Dalian University, Dalian 116622, China
关键词:
组合柱 极限承载力 延性 高强混凝土 长细比
Keywords:
composite column ultimate bearing capacity ductility high-strength concrete slenderness ratio
分类号:
TU398.9
DOI:
10.3969/j.issn.1001-0505.2002.05.007
摘要:
提出了一种重载柱设计的新模式,即钢骨-钢管混凝土组合柱.该组合柱是将钢骨插入钢管中,然后内填混凝土形成.通过13根组合柱的轴心受压试验,研究了钢骨-钢管高强混凝土组合柱的工作机理、延性和极限承载力,讨论了影响这种组合柱性能的主要因素,包括套箍指标、配骨指标和长细比等.研究结果表明,这种新型组合柱具有较高的承载力和良好的延性,可减小柱截面尺寸,增大建筑物使用空间.根据试验结果,给出了适用于这种组合柱的承载力计算公式.
Abstract:
A new design model for steel-concrete composite columns, circular steel tube column filled with steel-reinforced concrete, is established in this paper. In this kind of steel-concrete composite column, section steel is inserted into steel tube and concrete is filled into the gap between them. The test results of 13 axially loaded high-strength concrete composite columns are presented. The working mechanisms, ductility and ultimate bearing capacity are studied. The effects of the confinement index, the section steel index and the slenderness ratio on the mechanical properties of the composite column are discussed. The results show that this composite column has advantages of higher load-carrying capacity, excellent ductility and significant increase of inner floor space. Based on the test results, formulas for predicting the ultimate bearing capacity of the composite column are proposed.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目: 国家自然科学基金资助项目(50078008).
作者简介: 王清湘(1945—),男,教授,博士生导师,whb-home@sohu.com.
更新日期/Last Update: 2002-09-20