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首页> 外文期刊>Advances in Structural Engineering >Behavior and Strength of Circular Tubed Steel-Reinforced-Concrete Short Columns under Eccentric Loading
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Behavior and Strength of Circular Tubed Steel-Reinforced-Concrete Short Columns under Eccentric Loading

机译：圆形钢管混凝土短柱的受力性能

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摘要

This paper presents the results of experimental studies on circular tubed steel-reinforced-concrete (TSRC) short columns subjected to axial and eccentric loading. A total of 12 columns with the key parameters of eccentricity ratio and diameter-to-thickness ratio of the steel tube were tested. The effect of shear studs on the co-work behavior of concrete and shaped steel was studied. The test results indicated that the shear studs affected little on the failure mode, bearing capacity and ductility of the eccentrically loaded circular TSRC short columns. Elastic-plastic analysis for the steel tube showed that the tubes at the compression side began to yield when the load approximately reached 90% of the peak load. Fiber-based numerical models for circular TSRC short columns were established and the results accorded well with the experimental results. Furthermore, the whole section plastic assumption in EC4 was adopted to determine the section capacity interaction diagram for circular TSRC columns.
机译：本文介绍了承受轴向和偏心荷载的圆形钢管混凝土短柱（TSRC）的实验研究结果。总共测试了12根钢管的偏心率和直径厚度比的关键参数。研究了抗剪栓钉对混凝土和型钢共同工作行为的影响。测试结果表明，剪力钉对偏心加载的圆形TSRC短柱的破坏模式，承载力和延性的影响很小。钢管的弹塑性分析表明，当载荷大约达到峰值载荷的90％时，压缩侧的管开始屈服。建立了圆形TSRC短柱基于纤维的数值模型，其结果与实验结果吻合良好。此外，采用EC4中的整个截面塑性假设来确定圆形TSRC柱的截面承载力相互作用图。

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  • 来源
    《Advances in Structural Engineering》 |2015年第10期|1587-1595|共9页
  • 作者

    Liu Jiepeng; Wang Xuanding; Qi Hongtuo; Zhang Sumei;

  • 作者单位

    Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China;

    Harbin Inst Technol, Minist Educ, Key Lab Struct Dynam Behav & Control, Harbin 150090, Heilongjiang, Peoples R China|Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Minist Educ, Key Lab Struct Dynam Behav & Control, Harbin 150090, Heilongjiang, Peoples R China|Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Minist Educ, Key Lab Struct Dynam Behav & Control, Harbin 150090, Heilongjiang, Peoples R China|Harbin Inst Technol, Sch Civil Engn, Harbin 150090, Heilongjiang, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    circular TSRC; short column; eccentric loading; fiber-based numerical model; capacity interaction diagrams;

    机译：圆形TSRC;短柱;偏心载荷;基于纤维的数值模型;容量相互作用图;

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