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
图16 不同条件下桩身的最大曲率
Fig. 16 Maximum curvature of pile under different permafrost active layer thickness (a) and different axial compression ratio (b)