层状地层 meaning in English

layered strata

Abstract : in this paper , a method of identifying physical parameters of surrounding rock of underground caverns in stratified layers is presented , based on expansion of small parameters . a feasible numerical algorithm is proposed to obtain mechanical parameters of surrounding rock bodies by measured displacements
文摘:根据小参数展开理论，提出了一种识别层状地层中地下洞室围岩物性参数的方法，为利用测量位移获得围岩岩体的力学参数提供了一种可行的数值算法。