the mutual effects of the structure, initial anisotropy and complex stress path make it complicated and difficult to determine the progressive destructive strength and parameters of natural soils.
由于结构性、初始各向异性和复杂的应力路径的共同影响,往往使极限状态设计如何确定天然土体渐进破损的强度及参数变得复杂而困难。