ground stress

In addition, through numerical calculation it was indicated that, under inhomogeneous ground stress, the influence of casing eccentricity on casing load was unnoticeable, but it is still necessary to keep the casing string at the center of the hole as far as possible.

另外，数值计算结果表明，在非均匀地应力条件下，套管偏心对套管应力载荷的影响并不大，但尽量保持套管居中仍是必要的。

Study on Relation between Distribution Laws of Ground Stress Field and Tectonic Characteristics in Jurassic Layer of West-Sichuan-Depression

川西坳陷侏罗系应力场分布规律与构造特征关系研究

Based on the measured ground stress data, a 3D non-linear finite element back analysis numerical model for ground stress is set up and the fault and fissure concentrated zone is simulated.

结合实测地应力资料，建立了三维非线性有限元地应力反演分析数值模型，模拟了断层及裂隙密集带。

According to the comprehensive analysis on the results of engineering ground stress measurement and test hole deformation monitoring, general geological model, test hole excavation model and ground stress field distribution model are established.

在工程地应力测试和试验洞变形监测结果综合分析的基础上，建立地质概化模型，试验洞施工开挖模型、地应力场分布模型。

Several regularity of strongly pressed underground cavern caused by high ground stress

略论由于较强地应力引发的强挤压地下洞室的一些规律

Current Research Situation of Problems Related to High Ground Stress and Rock Blasting

高地应力与岩爆有关问题的研究现状

Tectonic Stress is an important constituent of ground stress.

构造应力是地应力的重要组成部分.

Application of Kaiser effect of acoustic emission in monitoring ground stress

岩石声发射的Kaiser效应及其在地应力场测试中的应用

Finally, the application of ground stress field in mining planning and design has been briefly discussed.

研究了地应力在矿山巷道及开采设计中的应用.

This test lists the problems and prediction methods for deep ground stress testing.

提出推测深部地应力应注意的问题和推测方法。

Principle and Practice of Process Control over Soft Broken Roadway with High Ground Stress

高地应力破碎软岩巷道过程控制原理与实践

Ground stress gradient in well test correlation with permeability and reservoir pressure, but it disperses widely.

试井地应力梯度尽管与渗透率、储层压力之间存在相关关系, 但离散性较大.