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首页 > 过刊浏览>2017年第45卷第08期 >1099-1107. DOI:10.11908/j.issn.0253-374x.2017.08.001
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混凝土随机损伤本构关系工程参数标定与应用
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作者:
作者单位:

同济大学,东南大学,同济大学,同济大学

中图分类号:

TU375

基金项目:

国家自然科学基金项目（91315301，51261120374）


Calibration and Application of Concrete Stochastic Damage Model
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    摘要:

    介绍了混凝土随机损伤本构关系.利用我国混凝土设计规范规定的混凝土本构关系，标定了混凝土随机损伤本构模型的基本参数.通过考虑钢筋与混凝土之间相互作用，对素混凝土随机损伤本构模型进行了合理修正，使之可以应用于钢筋混凝土结构分析.通过自主研发，将混凝土随机损伤模型嵌入到结构分析软件ABAQUS以及OpenSees之中，对不同类型的结构试验进行了模拟.结果表明：混凝土随机损伤本构模型可以理想地模拟混凝土结构和钢筋混凝土结构的受力力学行为，为工程结构的非线性分析提供有效的手段.

    Abstract:

    The stochastic damage model for concrete is introduced in the paper. The fundamental parameters of the model are calibrated through the concrete constitutive model in the Chinese design code. In order to make the model convenient for engineering applications, some modifications are made to account for the complicated interaction effects between reinforcement steels and concrete in realistic structures. Then the model is implemented into the structural analysis software ABAQUS and OpenSees through user subroutines, and used to simulate different kinds of structural member experiments. The results indicate that the proposed model can reflect the mechanical behaviors of concrete and reinforced concrete members and structures, and it offers an effective way for nonlinear analysis of structures in engineering.

    参考文献
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李杰,冯德成,任晓丹,万增勇.混凝土随机损伤本构关系工程参数标定与应用[J].同济大学学报(自然科学版),2017,45(08):1099~1107

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  • 收稿日期:2016-08-10
  • 最后修改日期:2017-06-22
  • 录用日期:2017-06-02
  • 在线发布日期: 2017-09-07
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