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混凝土SHPB试验的数值模拟及应力均匀性

曹吉星 陈虬 张吉萍

曹吉星, 陈虬, 张吉萍. 混凝土SHPB试验的数值模拟及应力均匀性[J]. 西南交通大学学报, 2008, 21(1): 67-70.
引用本文: 曹吉星, 陈虬, 张吉萍. 混凝土SHPB试验的数值模拟及应力均匀性[J]. 西南交通大学学报, 2008, 21(1): 67-70.
CAO Jixing, CHEN Qiu, ZHANG Jiping. Simulation of SHPB Test on Concrete and Uniformity of Stresses[J]. Journal of Southwest Jiaotong University, 2008, 21(1): 67-70.
Citation: CAO Jixing, CHEN Qiu, ZHANG Jiping. Simulation of SHPB Test on Concrete and Uniformity of Stresses[J]. Journal of Southwest Jiaotong University, 2008, 21(1): 67-70.

混凝土SHPB试验的数值模拟及应力均匀性

详细信息
    作者简介:

    曹吉星(1981- ),男,博士研究生,研究方向为计算固体力学,电话:13281484062,E-mail:cjxhqh@163.com

Simulation of SHPB Test on Concrete and Uniformity of Stresses

  • 摘要: 用显式动力有限元软件LS-DYNA,模拟C100与C80高强混凝土SHPB试验过程.混凝土采用H-J-C本构模型.得到了与试验结果比较吻合的应力-应变关系曲线.根据模拟结果分析了SHPB试验中C100混凝土试件的应力均匀性.结果表明,混凝土试件在破坏前一段时间内,应力有一定的不均匀性,因此会造成试验结果的误差.

     

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出版历程
  • 收稿日期:  2007-07-04
  • 刊出日期:  2008-02-25

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