The visualization techniques of 3D tensor field in geostress were analyzed and studied.
分析和研究地应力弹性二阶张量场的可视化技术。
The fundamental principle of hydrofracturing method for measuring geostress is reviewed.
回顾了应用水力压裂法测量地应力的基本原理。
The results of macro geostress field are very important for dynamic design and construction.
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。
They can all be regarded as the results from rapid unloading under the high geostress conditions.
不论天然或是人工高边坡，均可视为高地应力环境下快速卸荷过程的产物。
Geostress distribution is used to guide drill track, offering a new method to optimize well track.
应用地应力分布指导钻井轨迹，为井眼轨迹优化提供了新的研究方法。
A method for analysing the three dimensions geostress field in the surrounding rock by the three dimensions no...
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。
The in-situ stress test results show that the geostress is very high even if the embedded depth is not too large.
地应力测试结果表明，虽然隧洞埋深不大，但由于构造应力的存在，仍属于高地应力区。
The hydrofracturing technique is the most effective measuring method in the geostress measurement in deep stratum.
在深层地应力测量中， 水压致裂法是最有效的测量方法。
Under the effect of geostress, the coal-seam permeability decreases sharply and the fissure gradually tends closed.
在地应力的作用下，煤储层渗透率急剧下降，裂缝逐渐趋于闭合。
Initial geostress is one of the most important factors in the design and construction of the geotechnical engineering.
初始地应力是岩土工程设计与施工所要考虑的重要因素之一。
According to the measured geostress data, there are many methods of calculating initial geostress field with different advantages.
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。
F7 fault of Wushaoling tunnel, which lies in lanzhou-wuwei section of Lanxin railway line, is a large regional fault with high geostress.
兰新复线兰武段乌鞘岭隧道F 7断层，为区域性大断层，地应力高。
This paper discusses the distribution of initial stresses due to the high geostress on the block shear surface in the in-situ shear tests.
本文研究由于高地应力的存在引起现场直剪试验试体剪切面上初始应力的分布规律。
The study results show that the stresses in elastic zone are related with the vertical geostress, but the stresses in plastic zone are opposite.
研究结果表明，弹性区内任一点的应力大小与垂直地应力有关，而塑性区内任一点的应力与原始垂直地应力无关；
The high-pressure loading system consisting of loading plates and the large-tonnage jacks is used to apply 3D high geostress for the test model.
高压加载系统用于给试验模型施加三维高地应力荷载，主要包括加载板和大吨位液压千斤顶。
In order to show the influence of area coverage on initial geostress, a large and small model in the engineering region were separately calculated.
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。
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.
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。
A study is made for the influence of the factors, such as tectonic geostress, excavation sequences, and reinforcement, on stability of underground opening.
研究地应力、洞室开挖和加固等因素对地下洞室围岩稳定的影响，以验证地下洞室长轴选向的正确性。
The results have a referential value for using geostress field draining gas in coal bed and predicting deformations and failure of coal through gas emission.
研究结果对于利用地应力场抽采瓦斯、通过瓦斯涌出量预测煤岩的变形破坏具有现实指导意义。
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。
The geostress regression analysis results of a highway tunnel indicate that the calculated results are in a good agreement with the in situ measured data and...
对某高速公路隧道的地应力回归分析结果表明，计算结果与实测值吻合较好，可作为工程设计与施工的依据。
The method and process to back analyze the above initial geostress in linear elasticity material with finite element method is discussed, followed by an example.
讨论了在线弹性介质中，通过有限元计算求解这种地应力的方法、过程，并给出算例。
The groundwater is developed in part of a tunnel under construction, which lies in high initial geostress area, and is easy to suffer soft-rock large deformation.
修建中的某隧道位于高地应力区，局部地段地下水发育，易产生软岩大变形。
By nonlinear regression analysis the change law is found that with the increase of geostress the permeability coefficient will decrease with negative exponential trend.
然后通过回归分析，可以发现该地区渗透系数随地应力值的增大呈负指数递减的变化规律。
The theory about stress wave and its propagation is employed to analyze the effect of dynamic unloading during excavation of jointed rock mass slope under high geostress.
利用应力波理论分析高地应力条件下节理岩体边坡开挖过程中的动态卸荷效应，探讨卸荷松动后节理岩体渗透特性的变化规律。
The relation between seismic activity, geostress, and their present situation of study have been recounted. The geostress measurements in deep boreholes should be strengthened;
据此，叙述了该地区地震活动与地应力的关系及其研究的现况，主张加强深钻孔地应力测量。
When the construction of underground projects in alpine and gorge region is being conducted, different mountain slopes will have important effects on initial geostress distribution.
在高山峡谷地区修建地下工程，山体坡度不同时会对初始地应力有十分重要的影响。
As the methods have supplied the deficiency of traditional geostress measurement, which can only measure 2d cross-sectional stress of a borehole, its applicable scope is thus widened.
从而弥补了以往传统的水压致裂法地应力测量只能测量钻孔横截面上的二维地应力状态的缺陷，扩大了这种测量方法的应用范围。
After the comparison, it can be known that the calculated values of the vertical geostress which were obtained from direct depth of the mountains varied from the actual values greatly.
经比较后认为，若在山体中取其直接埋深算出的垂直向地应力数值与实际值相差很大。
After the comparison, it can be known that the calculated values of the vertical geostress which were obtained from direct depth of the mountains varied from the actual values greatly.
经比较后认为，若在山体中取其直接埋深算出的垂直向地应力数值与实际值相差很大。
应用推荐