弹粘塑性本构模型出发，考虑混凝土材料的损伤，推导提出混凝土弹粘塑性损伤本构模型，适用性强大。本模型能够反映出材料不同的拉压性能、材料的应变率敏感性、静水压力及中间主应力的影响，具有一定的实用价值。-Based on the constitutive model of the elastic viscoplastic constitutive model, the damage of concrete materials is considered, and the constitutive mo