rock mass initial stress field 岩体初始应力场
The optimal algorithm is applied to determine the initial stress field of rock mass according to the stress changes around tunnel after excavation.
根据隧道开挖后其周围地应力变化的观测数据，建立了基于优化算法的岩体初始应力场识别方法。
By means of the least square method, the initial stress field parameters are identified according to the measured data of transformation of the rock when the underground tunnel is excavated.
利用地下隧道开挖后变形收敛观测数据，采用最小二乘法研究了岩体初始应力场识别问题。
This paper presents briefly the theory of grey systems which can be used for analysis of the initial stress field for rock masses.
本文简要介绍灰色系统理论，并将其应用于岩体初始地应力场分析。
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