2、损伤理论并考虑应力比影响的普通混凝土双轴压本构模型。研究结果表明:该模型可以有效地描述双轴压荷载作用下普通混凝土的本构关系。关键词:混凝土;冻融循环;双轴压;损伤理论;本构模型中图分类号:TU375 文献标志码:A文章编号:1672−7207(2013)01−0340−05Constitutive model of damage of concrete underbiaxial compression1, 23SHANGHuaishuai,YANGLusheng (1.SchoolofCivilEngineering,QingdaoTechnologicalUniversity,Qing