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Concrete filled circular hollow sections under cyclic axial loading

机译:循环轴向载荷下的空心圆形空心截面混凝土

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摘要

This paper describes investigations into the structural response of concrete-filled Circular HollowrnSections (CHSs) under cyclic axial loading. The research is based primarily upon laboratory testing. A seriesrnof tests on both hot-formed and cold formed concrete-filled CHSs with a non-dimensional global slendernessrnin the region of 1 were conducted to investigate key structural responses including first cycle peak load, postrnbuckling resistance, reserve strength, ductility level and energy dissipation. Measurements were taken of crosssectionrngeometry, geometric imperfections and material properties.Key test results and sample load-deformationrnhistories are presented. The generated structural performance data will be exploited to calibrate the numericalrnfinite element models which will be used for further parametric studies.
机译:本文描述了循环轴向荷载作用下混凝土空心圆截面(CHS)结构响应的研究。该研究主要基于实验室测试。进行了一系列热变形和冷成型的CHS的连续rnof测试,这些CHS的整体尺寸都在1范围内无因次。研究了主要的结构响应,包括第一周期峰值载荷,抗屈曲后强度,储备强度,延性水平和能量耗散。测量了横截面的几何形状,几何缺陷和材料特性,并给出了关键的测试结果和样品的载荷-变形历史。生成的结构性能数据将用于校准有限元数值模型,这些模型将用于进一步的参数研究。

著录项

  • 来源
    《Tubular structures XIV》|2012年|43-50|共8页
  • 会议地点 London(GB)
  • 作者

    T. Sheehan; T.M. Chan;

  • 作者单位

    University ofWarwick, UK;

    University ofWarwick, UK;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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