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- The Computer Numerical Simulation of the Original Rock Stress and Laneway Wall Rock Stress 原岩应力及巷道围岩应力的计算机数值模拟
- wall rock stress 围岩压力
- Secondly, simulation elicits wall rock transmogrification under the different coal pillar and different stress. 其次模拟研究分析了留设煤柱宽度不同时以及地应力大小不一时沿空巷道围岩变形情况，得到了一些认识；
- In the test of the large diameter longhole mining of No.91 orebody at Tongkeng mine,the stress and the displacement of wall rock at the stope drilling chamber were monitored. 在铜坑矿91号矿体大直径深孔采矿法试验过程中，对采场凿岩硐室围岩的应力状态和岩移进行了监测。
- As we can conclude from practical experiences, the stability of tunnel wall rock is determined by geologic quality, ground stress and timbering technology. 实践证明：巷道围岩稳定性是由围岩的工程地质特征、地应力和支护控制技术决定的。
- Then get the wall rock' s deformation, stress,and rockbolt' s axial stress.At the same time, analyse thedevelopment process and dispersion range of plastic region. 得到了各工况下洞室开挖后围岩的变形、应力和锚杆的轴向应力，同时分析了塑性区的发展过程和分布范围。
- Thickness of coal-bed, depth of imbedding, quantity of resource, gas content, permeability, stress of reservoir and wall rock conditions are defined as the seven indexes in this study. 选取煤层厚度、埋藏深度、资源量、含气量、渗透率、煤储层压力、围岩条件等7项指标作为盆地煤层气地质条件模糊评判的评价指标，构成模糊评价因素集。将其分为好、较好、一般、较差和差5个级别。
- In combination with the radial deformation equation of brittle wall rock in circular tunnel,the computing model for the axial stress of the grouted rock bolt in ideal brittle wall rock and ... 分析了锚杆应力的分布特征以及影响其应力分布趋势和大小的因素,其中重点对围岩体的剪涨角进行了分析。
- The Relations Between Rockburst and Surrounding Rock Stress in Underground Chambers. 地下洞室中岩爆与围岩应力的关系。
- Using the elastic theory,the au-thor attempts to calculate approximately the relative change of rock stress after coalextraction. 本文试图利用弹性理论近似地计算采动后的应力相对变化。
- Wall rock is a special medium of underground engineering and its stability affects directly production and safety. 摘要围岩是地下工程类特殊的介质，其稳定性直接影响到生产和安全。
- BQ method is suggested as one of favourable ways for evaluation and classification of rockmass quality in the low rock stress region. 采用岩体力学介质属性分级方法(即BQ法)对研究区引水洞、溢洪洞以及泄洪洞进口段围岩进行了岩体质量分级与评价。
- The paper carefully analyzes bolt supporting system, and measures the parameters of coal wall rock in Fuxin diggings. 本文对锚杆支护理论进行了系统分析，并对阜新矿区煤巷围岩的参数进行了实验测定。
- In this paper,by the monitoring of rock stress behavior around mine opening and the monitory of anchoring force,the monitoring of the bolt is realized. 本文通过对巷道围岩的变形监测、锚杆锚固力监测达到对锚杆支护质量的监测。
- The results show that both ore body and wall rock have weak or strong rockburst proneness. 结果表明,该矿矿体和围岩均具有发生弱或强烈岩爆的倾向性。
- Abstract: Rock stress state in situ is determined by the hydrofracturing method for rock stress measurement in a railway tunnel in northwestern Yunnan. 摘 要： 通过地应力测量，确定出工程区隧道围岩现今地壳应力状态，即原地应力的大小和方向。
- The main wall rock alterations of the Kangshan goldfield are silication,sericitization,carbonicacidation and pyritization. 康山金矿田围岩蚀变主要为硅化、绢云母化、碳酸盐化及黄铁矿化。
- Some distribution rules of surrounding rock stress of the tunnel are summarized to provide the reasonable references to design and construction of this tunnel. 总结了该断层地段隧道围岩应力的一些分布规律，为该工程的设计和施工提供了合理的参考依据。
- In flat dip layer, the seam thickness control the stability of the wall rock, the thick-bedded hard rock is stable than the thin-bedded hard rock. 岩层厚度在缓倾斜时对围岩稳定起控制作用，厚层硬岩整体稳定性好于薄层状硬岩。
- The in situ rock stress prevents the rise of confined water and water inrush for thick floor aquifuge,but for thin floor aquifuge the in situ rock stress wo... 指出对于厚底板隔水层,原岩应力起着阻止底板承压水上升和突出的作用,对于薄底板隔水层,原岩应力起着破坏底板、导致承压水突出的作用。
