地应力场

非均匀地应力场中套管载荷的理论解

Theoretical solution of casing loading in non-uniform ground stress field

三峡水利枢纽船闸区地应力场初步分析

Preliminary Analysis of Ground Stress Field for the lock Area of Three-Gorge Project

基于BP神经网络的三维地应力场反演分析

Three-dimensional inversion analysis of ground stress field based on BP neural network

三维地应力场BP反分析的改进

Modified BP back analysis of 3D in - situ stresses

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 to3D stress field treatment in geotechnical engineering .

某矿区基于ANSYS的初始地应力场回归分析

Initial geo-stress regressive analysis based on ANSYS for a mining area

ANSYS曲壳模型计算复杂断块现今地应力场

Determining the crustal stress field using ANSYS curved shell model

基于VB与Matlab的BP神经网络在地应力场分析中的应用

Application of BP Network Based on VB and Matlab in Analysis of In-situ Stress Field

三维初始地应力场反演以及SPSS软件的应用

Back analysis of 3D initial geostress and the application of SPSS

基于ν-SVR和GA的初始地应力场位移反分析方法研究

Study on ν - SVR and modified GA in back analysis of initial stress fields from displacements

基于ANSYS和小波神经网络的初始地应力场反演及围岩流变分析

Back-analysis of Initial Ground Stress Based on ANSYS and Wavelet Neural Network and Rheology Analysis of Surrounding Rock of Cave

岩石声发射的Kaiser效应及其在地应力场测试中的应用

Application of Kaiser effect of acoustic emission in monitoring ground stress

岩石Kaiser效应测定地应力场的试验研究

Experimental research on measurement of in-situ stress field by Kaiser effect

地应力场的结构分析在声发射Kaiser效应中的应用

An Application of Structure Analysis of In-situ Stress to Acoustic Emission Kaiser Effect

将地应力场参数识别反问题转化为优化问题，然后采用BFGS方法求解。

The inverse problem of parameter identification is formulated as optimal problem , which is solved with BFGS algorithm .

基于一种改进的支持向量机（ν-SVR）和改进的遗传算法（GA），提出一种初始地应力场位移反分析方法。

A method of back analysis of initial stress fields from displacement is presented based on a kind of modified support vector machine named ν - SVR and a kind of modified genetic algorithms .

根据煤层瓦斯在地应力场、地温场和地电场中的渗流特性，确定了在地球物理场中的煤层瓦斯渗透率k（σT，E）；

According to the seepage properties of coalbed gas affected by in-situ stress field , geothermal temperature field and geo-electric field , the coalbed gas permeability k (σ, T , E ) is investigated and obtained in geophysical field .

运用CAE技术建立研究区三维非线性有限元模型，对现今地应力场进行研究。

The model also considers the actual distribution and features of the main faults . ( 2 ) The present ground stress field was studied by a three-dimensional finite element model established using the CAE technology .

用3D-Sigma分析岩盐溶腔围岩地应力场

Analysis on Ground Stress of Rock Salt Cavern 's Surrounding Rock with 3D-Sigma

本文根据弹性断裂力学的叠加原理，建立了地应力场和流体压力作用下水力压裂中孔边轴对称裂纹尖端应力强度因子K1的近似解析表达式。

Based on the principle of superposition of linear elastic fracture mechanics , this paper derives the approximate analytical expressions of stress intersity factors ( KI ) at the crack tips of axisymmetric fractures emanating from cylindrical holes with hydraulic fracturing under in - situ stress field and fluid pressure .

其结论是：富水的是EW向张性断裂构造，断裂构造的富水程度固有多种原因，但主要是于现今地应力场作用下所形成的断裂力学性质及其活动性，至关重要。

The findings are : EW tensional faulted structures are water-rich , there are diversified reasons of the conclusion , but the most important main reason is mechanical property and activity of faulted structures formed under earth stress field on the stage .

利用求解线性粘弹性问题的弹性粘弹性对应性原理，利用已有的弹性解，求得了考虑地层符合Kelvin流变规律的情况下，地应力场中套管载荷的理论解，并给出了松弛时间的解析表达式。

Based on the elasticity viscoelasticity correspondence theory and the acquired elastic solution , assuming the formation obey the Kelvin viscoelastic constitutive relation , the theoretical solution of casing loads in rheological formation in tectonic field and the analytic expression of relaxation time are obtained .

某水电站地下厂房区初始地应力场回归分析

Regression analysis of initial geostress for an underground power plant region

复杂岩体地应力场的随机反演及遗传优化

Stochastic Back Analysis of Initial Stress Field in Complex Rock Mass

地下洞室群有限元分析的地应力场计算方法

New method for calculating GEOSTRESSES IN FEM analysis of underground houses

应用灰色代数曲线模型分析初始地应力场

Analysis of initial in-situ stress field using grey algebraic curve model

区域初始地应力场的回归计算方法

A Method of Regression Analysis for Determining the Regional Initial Geo-Stress

油气井工程中地应力场反演研究的发展

Development of inversion study on in-situ stress field in petroleum engineering

基于区间神经网络方法的初始地应力场的反分析

Back Analysis on Initial Geostress Field Based on Interval Neural Network

地应力场研究与油气勘探&以张强凹陷为例

Study the tectonic stress field and its applications in oil field