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含孔隙混凝土二维细观建模方法研究

陈青青 张煜航 张杰 王志勇 王志华

陈青青, 张煜航, 张杰, 王志勇, 王志华. 含孔隙混凝土二维细观建模方法研究[J]. 应用数学和力学, 2020, 41(2): 182-194. doi: 10.21656/1000-0887.400058
引用本文: 陈青青, 张煜航, 张杰, 王志勇, 王志华. 含孔隙混凝土二维细观建模方法研究[J]. 应用数学和力学, 2020, 41(2): 182-194. doi: 10.21656/1000-0887.400058
CHEN Qingqing, ZHANG Yuhang, ZHANG Jie, WANG Zhiyong, WANG Zhihua. Study on a 2D Mesoscopic Modeling Method for Concrete With Voids[J]. Applied Mathematics and Mechanics, 2020, 41(2): 182-194. doi: 10.21656/1000-0887.400058
Citation: CHEN Qingqing, ZHANG Yuhang, ZHANG Jie, WANG Zhiyong, WANG Zhihua. Study on a 2D Mesoscopic Modeling Method for Concrete With Voids[J]. Applied Mathematics and Mechanics, 2020, 41(2): 182-194. doi: 10.21656/1000-0887.400058

含孔隙混凝土二维细观建模方法研究

doi: 10.21656/1000-0887.400058
基金项目: 国家自然科学基金(11702186;11390361;11390362)
详细信息
    作者简介:

    陈青青(1993—),女,硕士生(E-mail: chenqingqing_5@163.com);王志勇(1982—),男,博士(通讯作者. E-mail: wangzhiyong@tyut.edu.cn).

  • 中图分类号: TU37|TU528

Study on a 2D Mesoscopic Modeling Method for Concrete With Voids

Funds: The National Natural Science Foundation of China(11702186;11390361;11390362)
  • 摘要: 根据混凝土的细观组成和结构特点,对传统二维建模方法加以继承与改进,提出了一种高效的分步入侵判定算法.将孔隙直观地反映在模型中,建立了不同的含孔隙混凝土细观模型.对含圆形、椭圆形、多边形骨料与圆形、椭圆形孔隙的混凝土标准试件分别进行了建模研究,结果表明本文的算法具有较强适用性.同时,通过对不同面积率与多种形状骨料/孔隙混凝土的大量建模进一步验证了该算法的效率.模拟了混凝土试件在单轴压缩下的准静态力学性能,分析了混凝土内部孔隙对其裂纹扩展的主要路径、破坏模式以及宏观力学性能的显著影响.
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出版历程
  • 收稿日期:  2019-02-25
  • 修回日期:  2019-04-18
  • 刊出日期:  2020-02-01

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