列车荷载下冻土路基非平稳随机振动分析的时域显式法
陈智锋1(
), 李颖雄2, 赖远明3(), 苏成1,4
), 李颖雄2, 赖远明3(), 苏成1,4
Non-stationary random vibration analysis of railway embankments in permafrost regions under train loads using the explicit time-domain method
Zhifeng CHEN1(), Yingxiong LI2, Yuanming LAI3(), Cheng SU1,4
), Yingxiong LI2, Yuanming LAI3(), Cheng SU1,4
图7. 不同样本数下路基1#点2#点竖向动力响应统计矩时程（夏季）
Fig. 7. Statistical moment time histories of dynamic responses at point 1# and point 2# with different numbers of samples （Summer）： mean value time histories of vertical displacements at point 1# and point 2# （a）， mean value time histories of vertical velocities at point 1# and point 2# （b）， mean value time histories of vertical normal stresses at point 1# and point 2# （c）， stadnard deviation time histories of vertical displacements at point 1# and point 2# （d）， standard deviation time histories of vertical velocities at point 1# and point 2# （e）， standard deviation time histories of vertical normal stresses at point 1# and point 2# （f）
