混凝土应力应变曲线采用的10规范，损伤因子的计算采用的是sidiroff能量等价原理。初始损伤拉压均取在0.4*屈服强度位置。(The concrete stress-strain curve adopts the 10 specification, and the damage factor is calculated according to the Sidiroff energy equivalence principle.The initial damage tension and co