接着就是材料定义部分。这部分我尝试过四个混凝土本构因为还是在试算阶段，我将钢筋设置为弹性材料，混凝土为损伤塑性。第一个混凝土的本构是abaqus提供的。如下：*Concrete Damaged Plasticity15., 0.1, 1.16, 0.6667, 0.*Concrete Compression Hardening2.598e+07, 0.3.1593e+07, 0.00043.4298e+07, 0.0008 3.5e+07, 0.00123.4362e+07, 0.00163.2859e+07,0.0023.0835e+07, 0.00242.3696e+07, 0.00361.6113e+07,0.0053.194e+06, 0.01*Concrete Tension Stiffening3.291e+06, 0.2.693e+06, 0.00012.058e+06, 0.00031.775e+06, 0.00041.479e+06, 0.0005 9910
