多年冻土退化对青藏铁路桥梁桩基础地震易损性的影响
张益舶, 张熙胤, 刘有乾, 于生生, 马华军, 王万平, 管嘉达

Effect of permafrost degradation on seismic vulnerability of bridge pile foundations along Qinghai-Tibet Railway
Yibo ZHANG, Xiyin ZHANG, Youqian LIU, Shengsheng YU, Huajun MA, Wanping WANG, Jiada GUAN
表2 钢筋材料的模型参数
Table 2 Model parameters of the reinforcement material
材料弹性模量Es/MPa屈服强度fy/MPa应变硬化系数b
钢筋2×1053350.001