提出了复杂初始地应力场的力学模型。
A mechanical model for complex initial geostress field is put forward.
地应力场的非平衡性使井眼产生崩落现象。
The unbalance of the formation stress causes collapses of a borehole wall.
本文介绍新城金矿地应力场测量的方法和结果。
In this paper, the method and result of the measurement of ground stress field of Xin-Cheny Gold Mine are introduced.
地应力场的大小与方向，对溶腔稳定性影响较大。
The direction and magnitude of in-situ stress greatly affect the stability of cavern.
本文讨论了井眼崩落及其方位与地应力场的关系。
The relationship between borehole wall collapses, their directions and the formation stress field is discussed.
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.
在初始地应力场分析问题中，采用了多方程回归方法。
Initial in-situ stress field is analyzed with multiple variables and equations regression.
因此地应力场的研究是钻井工程设计的基础工作之一。
So in-situ stress field is also one of base works about drilling engineering design.
研究了矿区地应力场分布规律及其与地质构造的关系。
The regularity of in-situ stress distribution in the mine and the relationship between in-situ stress field and geological tectonism are studied.
介绍了滑动最小二乘法对地应力场的模拟分析与现场应用。
The application of moving least square method to simulation of in-situ stresses with large depth is presented in this paper.
由实测地应力资料反演初始地应力场的方法很多，且各有优势。
According to the measured geostress data, there are many methods of calculating initial geostress field with different advantages.
为研究岩盐溶腔围岩地应力场规律和岩盐溶腔稳定性打下了基础。
It is advantage to the studying of the crustal stress field′s distribution in the rocksalt cavity′s surrounding rock and the stability of rocksalt cavity.
通过对深圳地区地应力场的算例，表明这种方法是简单而有效的。
The practical application of this method to Shenzhen area shows that it is simple and effective.
模拟方法对有关岩土工程中3d地应力场的处理有重要参考价值。
This simulation method is of important reference value to 3d stress field treatment in geotechnical engineering.
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。
This paper presents briefly the theory of grey systems which can be used for analysis of the initial stress field for rock masses.
本文还提出了用三维非线性有限元法分析岩体的三维地应力场的方法。
A method for analysing the three dimensions geostress field in the surrounding rock by the three dimensions nonlinear finite element method is also presented.
本文还提出了用三维非线性有限元法分析岩体的三维地应力场的方法。
A method for analysing the three dimensions geostress field in the surrounding rock by the three dimensions no...
宏观地应力场的分析结果对工程的动态设计与施工具有重要参考价值。
The results of macro geostress field are very important for dynamic design and construction.
本文主要是对解放沟现今河谷地应力场进行分析，研究地应力场的分布特征。
The paper testified rationality of the established model to analyze nowadays stress of Jiefang valley model and to study distributing character of the stress.
信息部分明确、部分不明确的系统为灰色系统，地应力场则是典型的灰色系统。
The grey system is the system in which some information is defined and some undefined. The in-situ stress field is a typical grey system.
为了说明计算范围对初始地应力场的影响，对工程区域分别取大小模型进行计算。
In order to show the influence of area coverage on initial geostress, a large and small model in the engineering region were separately calculated.
应用实例表明，套管径向压力载荷图形的长轴指向地应力场的最小主压应力方向。
An example shows that the long axis of the casing pressure figure directs to the minimum principal compression stress.
根据深圳地区地应力的实测资料，通过最优化算法，模拟整个深圳区域的地应力场。
Based on the actually measured nature stress data of Shenzhen region, nature stress field of entire Shenzhen region was simulated by using optimization algorithms method.
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。
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.
针对不同地应力场，用FLAC差分程序进行求解，得出相应的30个神经网络分析样本。
For different ground stress fields, the solution is obtained by FLAC differential program and 30 neural network samples have been gained.
因此，利用的初始地应力场是否可靠，将直接影响到地下工程设计与施工的可靠性与安全性。
So, whether the initial geo-stress is credible will decide the safety and reliability of the design and operation of underground projects.
人工裂隙的方向受地应力场中两个相互垂直的主应力分量—最大主应力和最小主应力的制约。
The orientation of the induced hydrofractures arc controlled by the mutually perpendicular orientations of the maximum and minimum principal stress components of in situ stress field.
然后讨论了影响设计的各项因素和必需测定的参数—尤其是原始地应力场和围岩的力学特性。
Then different factors that affect the design and the necessary parameters that must be determined are discussed.
对工程实例地应力场的回归拟合计算表明，该方法回归拟合精度高，可广泛用于工程实践中。
The computation of practical engineering example shows this method is highly accurate, and can be used widely in practical engineering.
岩体总是赋存于一定的渗流场与应力场中的，研究地应力场对渗流场的影响具有重要的意义。
Rock mass always exists in the fields of geostress and seepage, so it is important to study the effect of geostress on the permeability of rock mass.
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