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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。
According to the theory of small parameter expansion, a method to identify the physical parameters of surrounding rock in underground stratum is proposed, which provides a feasible numerical algorithm for obtaining the mechanical parameters of surrounding rock mass by measuring displacement.