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作者:Qiang Tong, Qingwen Ren, Lei Shen, Linfei Zhang and Yin Yang
来源:[J].CMES: Computer Modeling in Engineering & Sciences(IF 0.849), 2018, Vol.114 (1), pp.33-58
摘要:In this article, the post-peak softening stage of the constitutive relation and the elastic stiffness degradation of concrete are investigated, and a highly reasonable constitutive relation curve is proposed. At the material level, the energy change in the concrete failure proces...

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