By analyzing the rock stress state around the elliptic borehole, the stability conditions are established for different types of formation.
进而通过对椭圆形井眼周围岩石应力分布的分析，对不同岩性的地层确定了不同的井眼稳定性条件。
The effect of stress-releasing hole and water injection to the face on rock stress state around gateway driving face has been studied in this paper.
本文研究了卸载孔及向掌子面注水对煤巷掘进头岩石应力状态的影响。
Based on the monitoring for expressway tunnel construction and finite element analysis, the paper analyzed the country rock stress state in the process of tunnel construction.
通过高速公路隧道施工监测及有限元数值分析方法，分析隧道施工过程中围岩应力变化情况。
Therefore, this paper start work form opening out the stress state and the method of rock slope degree on expressway.
为此，本文从揭示公路岩石边坡中的应力状态出发，结合公路岩石边坡坡度确定方法的研究。
The stress state reflected by the rock magnetic fabric is mainly manifested by NE compression, which is consistent with the arrangement of the anticlines with axes running NW.
岩石磁组构反映的应力状态总体为以NE向挤压为主，与轴向NW的背斜构造发育相一致。
To the deep rock engineering, stress state of rock mass directly influences the stability of project.
对于深埋岩石工程，岩体的地应力状态直接关系到工程的稳定性。
In civil engineering, hydraulic engineering and nuclear wastes disposal engineering, great attention is focused on the influence of stress state on rock permeability.
在土木、水利及核废料处置工程中，应力状态对岩石渗透性的影响已逐渐成为一个无法回避的问题。
Because the structural response differs with differing tunnel shape, wall rock properties, and initial stress state, the safety of the tunnel in different location should be estimated respectively.
由于隧道的形状、岩性及其初始应力状态的不同，结构不同部位的动态响应有较大的差别，应分别评价其危险性。
The rock deformation and failure tests are performed along various stress paths under true triaxial stress state.
在真三轴应力状态下进行了各种应力途径的岩石变形和破坏实验。
The characteristic stress state of rock structure is keeping constant before its losing steady, and suddenly destroyed with releasing energy, namely creep is losing steady.
岩石工程结构失稳前特征即应力状态保持不变，且是突然破坏释放能量，即蠕变失稳。
Stress of soft rock in deep mining is close to strength limit state, rock is sensitive to outer disturbed loading, research project was put forward in order to study rock rheology disturbed effects.
深井软岩的应力状态接近于岩石强度极限状态，对外部扰动载荷十分敏感，为了研究这种高应力状态下岩石表现出的力学特性，提出了岩石流变扰动效应这一研究课题。
Rock body formed in plate extensional background and a loose stress state.
岩体形成于板内引张的应力松弛环境。
Sandwiched rock between twin closely spaced tunnels is in complicated and three-dimensional stress state.
小净距隧道的中间夹岩处于复杂的三维受力状态。
The spandrel being excavated on a large scale destroyed the initial frame and stress state of the rock in the slope.
拱间槽大规模开挖破坏了边坡的原始结构和应力状态。
One of the important factors taken into account in the tunnel classification is the style of deformation and failure, which is related to initial stress state in wall rock.
隧道按埋深分类应考虑的主要因素之一是围岩的变形破坏方式，而后者与围岩的初始应力状态密切相关。
Software development of rock mass stress state analysis is one of the important problems of the geo-dynamic division team's research.
开发岩体应力状态分析软件是地质动力区划课题研究工作的重要内容之一。
For the stress state in deep zone rock is very complex, the study of earth stress computation needs systemic theory and uniform calculation model, and its deflection is very large.
深层岩石中应力状态复杂，目前对于地应力大小的计算研究还缺乏系统完整的理论，没有统一的计算模式，普遍存在偏差大等问题。
The results indicate that it is essential to revise the bolt stress by using the formulas when rock mass is in plastic state.
结果显示，当岩体进入塑性、变形较大时，用推导公式对锚杆变形、应力进行修正是非常必要的。
Most of the existing models for borehole wall stress are based on plane strain hypothesis. So some errors may be generated as compared with the real stress state of rock.
现有井壁围岩应力求解模型大都基于平面应变假设，相对岩石真实应力状态会有一定的误差。
The constitutive relation of the stratified rock on the high slope of the dam was associated with the damage of rock mass, azimuth Angle of rock Interface, parameter of rock mass, stress state, etc.
大坝高边坡层状岩体本构关系与岩体损伤、层面方位角、岩体参数、受力状态等有关。
The acoustic emission characteristics of sandstone under fracturing are studied by simulating the stress state of the tunnel enclosing rock using the real three axle press.
使用真三轴压机模拟巷道围岩的受力状态，研究了砂岩破坏过程中的声发射特性。
Evolution of rock joints into transfixion is described by the time series from strain-stress curves, and the state of joint system in sandstone is chaotic before its ultimate state.
形成岩石全应力应变曲线的时间序列反映了岩石内部节理裂隙趋向贯通的演化进程，砂岩节理裂隙系统在峰前阶段处于不同程度的混沌状态。
On the basis of analyzing the characteristics of rock mass deformation and general rheological models, a new non linear viscous substance which is related to stress state and time is presented.
在分析岩体变形特点和常用流变模型变形特性的基础上，提出与应力状态和时间相关的非线性黏性体。
The positioning accuracy of the system has been adjusted according to the blasting test, by which the real-time monitoring stress state of rock mass corresponding to mining is realized.
通过对现场定点爆破的测试，校验了系统的定位参数，实现了对采矿活动过程中围岩应力状态的实时监测。
Engineering practice indicates that the stress state of surrounding rock is the basis of support design; and that the timely support is very critical.
工程实践表明，围岩应力状态是支护设计的依据，而适时支护是非常重要的。
We can also use the equation of the stress-strain state to simulate the discrete memory of a rock observing in the experiment.
同时，还可以利用应力–应变状态方程来模拟实验观测到的饱和岩石的滞后现象。
The current state of the research of stress and fluid flow in fractured rock is systematically introduced and studied.
系统综述了裂隙岩体渗流应力耦合的研究情况。
The current state of the research of stress and fluid flow in fractured rock is systematically introduced and studied.
系统综述了裂隙岩体渗流应力耦合的研究情况。
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