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混凝土轴拉加卸载随机损伤模型的建立与试验验证

胡少伟 黄逸群

胡少伟, 黄逸群. 混凝土轴拉加卸载随机损伤模型的建立与试验验证[J]. 应用数学和力学, 2017, 38(6): 652-662. doi: 10.21656/1000-0887.370254
引用本文: 胡少伟, 黄逸群. 混凝土轴拉加卸载随机损伤模型的建立与试验验证[J]. 应用数学和力学, 2017, 38(6): 652-662. doi: 10.21656/1000-0887.370254
HU Shao-wei, HUANG Yi-qun. A Stochastic Tensile Damage Model for Loading/Unloading of Concrete and Experimental Validation[J]. Applied Mathematics and Mechanics, 2017, 38(6): 652-662. doi: 10.21656/1000-0887.370254
Citation: HU Shao-wei, HUANG Yi-qun. A Stochastic Tensile Damage Model for Loading/Unloading of Concrete and Experimental Validation[J]. Applied Mathematics and Mechanics, 2017, 38(6): 652-662. doi: 10.21656/1000-0887.370254

混凝土轴拉加卸载随机损伤模型的建立与试验验证

doi: 10.21656/1000-0887.370254
基金项目: 国家杰出青年科学基金(51325904);国家自然科学基金(51279111)
详细信息
    作者简介:

    胡少伟(1969—),教授,博士生导师(通讯作者. E-mail: hushaowei@nhri.cn).

  • 中图分类号: O344.3

A Stochastic Tensile Damage Model for Loading/Unloading of Concrete and Experimental Validation

Funds: The National Science Fund for Distinguished Young Scholars of China (51325904); The National Natural Science Foundation of China (51279111)
  • 摘要: 为了分析及深入探讨混凝土在受拉加载及卸载情况下的力学特性,基于随机损伤本构关系提出了一种混凝土轴拉加卸载模型,推导出了混凝土加卸载的应力应变关系表达式.为了印证理论表达式,进行了混凝土轴向拉伸及加卸载的试验研究,测得了混凝土的材料参数及其相应的轴拉加卸载应力-应变曲线.结合模型的计算结果,对混凝土的轴拉加卸载试验结果进行了对比分析,结果表明:混凝土轴拉加卸载模型能够预测混凝土的极限强度,同时能描述混凝土的强度软化、加载过程中的弹模折减及卸载后的塑性变形.
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出版历程
  • 收稿日期:  2016-08-16
  • 修回日期:  2017-04-10
  • 刊出日期:  2017-06-15

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