Ami - sliding safety factors are attained when total sliding force and total anti - sliding force are calculated through normal stress and shear stress acting on the element interfaces 其次,利用刚体弹簧元法求解单元交界面上的正应力和剪应力,从而积分求得滑移路径上的总滑动力和总阻滑力,进而求得各滑动面的抗滑安全系数。