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。
Initial in-situ stress field is analyzed with multiple variables and equations regression.
在初始地应力场分析问题中，采用了多方程回归方法。
The initial stress field is very important in the finite element analysis of geotechnical engineering structure.
岩土工程问题的有限元分析一般需要考虑初始应力场。
The small deformation dynamics on the initial stress configuration is the field theory on small-deformation of solid with static initial stress field existing in the reference configuration.
初应力位形上的小变形动力学讨论参考位形上存在静态初应力场的固体的小变形场论。
In this study, the rock stress around the tunnel is discussed based on the initial stress measurements obtained in the rock burst field, and safety control based on AE monitoring is explained.
在这项研究中，在隧道附近的岩石重音被谈论根据在岩石爆炸领域得到的最初的重音测量，并且根据AE监视的安全控制解释。
The results in change of in-situ temperature field and the influences of induced stress due to thermal stress field on the initial fracture condition are analyzed.
据此，分析了这些变化导致的热应力引起的附近应力对注水井井壁开裂条件的影响，并建立了常注水量条件下注水井的井壁开裂准则。
Then, the initial stress field of the slope is simulated by means of elastic-plastic finite element.
采用弹塑性有限元法对斜坡的初始应力场特征进行模拟研究。
For high in situ stress occurred in Ertan dam area, combined action of initial in situ stress field, time and space effect during excavation and external loads arch thrust etc.
笔者针对二滩电站坝区存在的高地应力现象，从初始地应力场的建立、施工开挖的时空效应，直到与拱推力等外荷载共同作用下对坝基岩体稳定的影响全过程进行了分析和计算。
The specific work includes:(1) At the first, the finite element inversion analysis method of the initial crustal stress field and the measuring method of hydrofracturing crustal stress were expounded.
首先阐述了初始地应力场的有限元反演分析方法和水压致裂法地应力测量方法给出了对小孤山工程适当的地应力场。
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。
The basic agreement of result of the back analysis with the testing data indicates that the mechanical parameters and initial stress field obtained from the proposed back analysis are reasonable.
反演位移计算值与实测值较为吻合，表明反演得到的力学参数和地应力场基本合理。
Determining t'he field of initial stress of rock masses, available for the engineering practice, is an urgent problem at home and abroad.
可供工程使用的岩体初始应力场，是岩土工程中一个急需解决的实际课题。
This review deals with constructed, under-construction, and awaiting construction pumped storage power station in China, and measurement and application of their rock mass initial stress field.
综述了我国已建、在建和拟建的抽水蓄能电站与岩体初始应力场测试、应用资讯；
The application to Xinchang gas field shows that the initial differential stress and production time are the key factors to determine the stress reorientation in refracturing gas well.
新场气田的实际运用结果也表明，重复压裂气井中的初始应力差和生产时间是决定应力重新定向的关键因素。
Jinchuan No. 2 mining area lies in a complex initial stress field, which is composed of gravity field and bidirectional construction stress field.
金川二矿区处于复杂初始应力场中，该初始应力场由重力场和两个方向的构造应力场组成。
The initial stress field is the basic data for the design and construction of large underground hydropower house.
初始地应力场是大型地下厂房设计施工的基础资料。
The initial stress field is the basic data for the design and construction of large underground hydropower house.
初始地应力场是大型地下厂房设计施工的基础资料。
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