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本文在对桁架模型及软化砼本构关系作了简要的回顾后,着重介绍了软化变角桁架模型的国内外应用现况。结合国内近年的研究,还对某些问题展开了讨论或评述。
In this paper, after a brief review of the truss model and the softening enthalpy constitutive relation, the application status of the softening truss truss model at home and abroad is emphatically introduced. Combining domestic research in recent years, some issues have also been discussed or reviewed.