The authors present the main methods and results of in situ stress measurements.
本文简要介绍了地应力测量的主要方法和成果。
Also visible is the effect of the in situ stress condition on the rock load height (RLH).
也可见的影响是就地胁迫条件下在岩石上负荷高(RLH)。
In situ stress measurement result indicates that both magnitude and orientation of stress vary greatly.
实测地应力结果表明，应力的大小和方位变化较为复杂。
The relationship between in situ stress and stability of dam foundation rock is less considered in dam construction.
地应力与坝基岩体稳定的关系是坝工建设中研究得较少的一个课题。
In situ stress is one of the basic parameters for the stability of surrounding rock and design of support structures.
初始地应力是地下工程围岩稳定与支护结构设计的一个基本参数。
In situ stress is one of the basic parameters for the stability of surrounding rock and the design of support structure.
初始地应力是地下工程围岩稳定与支护结构设计的一个基本参数。
This paper mainly introduces the method, the procedure and the result of the in situ stress measurement of Yanbei coal mine.
本文介绍了砚北煤矿地应力测量的方法、过程和结果。
Due to high in situ stress in the powerhouse area, important deformation of local surrounding rock, rock burst, shotcrete spalling occur during excavation.
由于场区地应力比较高，在开挖期间出现了局部围岩的大变形及岩爆、喷混凝土层剥落等不良现象。
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 in situ stress distribution, test technique in laboratory and in filed, calculation and applications in petroleum exploration and development are the key concerned aspects.
论述了地应力的分布规律、地应力的矿场和岩心测试方法、地应力的计算及其在油气勘探开发中的应用等。
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.
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 principle and characteristics of stress measurement with the CSIRO method and the main procedures of in situ stress measurement carried in 4 coal mines of Xingtai mining area are introduced.
介绍了空心包体法地应力测量的原理、特点及在邢台矿区4个矿井进行三维地应力测量的主要过程，并且对测量结果进行了分析。
The testing results are listed, and the obtained parameters can be widely used in hydraulic fracturing optimization design of coal bed, calculation of in situ stress and other engineering problems.
研究范围覆盖面广，所得到的力学参数有一定代表性，可广泛应用在煤层裂缝优化设计、地应力计算以及解决其它工程问题。
The developing of dangerous rock is due to release of in-situ stress in rock, aeolation, water erosion and root flerry.
地应力卸荷、风化、流水侵蚀、植物根劈是危岩发育的主要原因。
This paper introduces the method, process and results of the in-situ stress measurement.
本文介绍了地应力测量所使用的测量方法、测量过程和测量结果。
To studied four Jurassic series main natural gas fields nearly 100 Wells to carry on processing, has established the in-situ stress section plane, divided five kind of stresses section planes type.
对研究四个侏罗系主要气田近100余口井进行了处理，建立了地应力剖面，划分出五类应力剖面类型。
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.
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。
This paper proposes that Poisson's ratio of rock mass and in-situ stress are directly determined using optimization method according to measured strains obtained from bore hole stress relief process.
本文根据孔壁应力解除法获得的量测应变，提出了采用最优化方法直接确定岩体的泊松比和原始地应力。
In the present paper, the influences of overburden and cavern sectional shape as well as in-situ stress condition on the characteristics of rock cavern under earthquake are analyzed by using FLAC 3 d.
本文利用FLAC3D软件，初步分析了地震荷载作用下埋深、洞室形状、地应力特征对地下岩体洞室响应特征的影响。
In-situ stress measurements were made in a survey tunnel using the hollow inclusion stress gauge in order to gain knowledge of the present stress state of the Pushihe hydropower station.
为了解浦石河抽水蓄能电站枢纽区现今应力状态，采用空心包体应力计在探洞内进行了地应力测量。
The fracturing pressure is dependent on in-situ stress, well deviation and the anisotropy of tensile strength.
井壁的破裂压力不仅取决于地应力，还与井眼形态和地层的强度各向异性有关。
The active tectonic pattern and recent stress state in the seismic region of NW Yunnan province are discussed on the basis of field observation and in-situ stress measurements.
本文根据野外调查和原地应力测量资料，讨论了滇西北地震活动区的活动构造型式和现今应力状态。
Because the different orientation fractures endures different in-situ stress, several models have been obtained to estimate normal stress and efficient stress.
不同方位的裂缝所处的地应力状态不同，本文建立了不同方位裂缝所受的法向应力和有效应力的模型。
And the variation law of the hole collapse pressure of extended reach well along with hole Angle and azimuth mostly decided by the status of the stratigraphic in-situ stress.
大位移井井壁坍塌压力随井斜角与井斜方位角的变化规律主要由地层的原地应力状态决定。
There are many kinds of in-situ stress measurement methods at present, which can be classified into mechanical, geophysical and geological structure information methods.
目前地应力测量方法有很多种，可分为力学法、地球物理法及地质构造信息法等。
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 group identification of elastic modulus, in-situ stress and damage parameters is processed respectively according to the different number of crack group contained in the rock mass.
讨论了含一组裂隙和两组裂隙情况下弹性模量与损伤参数共同辨识、地应力与损伤参数共同辨识以及三者同时辨识时的可靠性问题。
The results show that the internal friction Angle of rock has importance affect on the displacement of surrounding rock for deep roadway when in-situ stress and support resistance all are certain.
分析结果表明，在地应力和支护阻力一定时，岩石的内摩擦角对深埋巷道围岩位移的影响最为明显。
The direction and magnitude of in-situ stress greatly affect the stability of cavern.
地应力场的大小与方向，对溶腔稳定性影响较大。
A convenient and reliable technique being used for studying the in-situ stress orientation is a key problem concerned by petroleum engineers.
因此，通过较简便、可靠的方法确定地应力方向是石油工作者关注的重要问题之一。
应用推荐