1)Roadway stability巷道稳定性
1.Numerical experiment on effect of circular roadway stability by intermittent joint in deep rock mass;深部岩体中断续节理对巷道稳定性影响的数值试验
2.Based on orthogonal design,several numerical simulation schemes of roadway stability controlled by connected fissures were built according to actual status of Lu'an mining district.研究表明:1)贯通裂隙间距(2~4 m)小于巷宽(4 m)时,巷道围岩稳定性受裂隙控制,反之主要受巷道围岩强度的影响;2)单组裂隙间距小于3 m,倾角30°~70°巷道围岩收敛量较大,巷道稳定性较差;3)双组裂隙控制岩体,巷道顶底板稳定性随裂隙倾角(0~70°)增大而提高;裂隙倾角70°时,巷道围岩稳定性相对来说较好;裂隙间距增加使巷道稳定性提高,裂隙间距大于巷宽时,巷道稳定性已趋于恒定,主要受围岩强度的控制;4)双组裂隙切割围岩体巷道比单组裂隙更易失稳破坏;5)巷道围岩内最易出现塑性区部位是巷道顶角、巷帮及巷道顶底板中央,双组裂隙围岩的塑性区远超过单组裂隙围岩;6)裂隙倾角在45°~70°时,塑性屈服的弱面单元数量剧增,巷道围岩体易沿弱面滑动而导致破坏失稳。
3.On the basis of analysis of the 5 underlying roadways,which were bestrided by No 4403 isolated fully mechanized mining face with sublevel caving in Dongtan Coalmine,the influence factors and evaluation method of the over extraction roadway stability are discussed in this paper;the structure theory and control principles of the roadway's internal and external layer strata are also presented in it.在分析东滩煤矿 430 3“孤岛”综放面跨采下部 5条软岩巷道的基础上 ,探讨了跨采巷道稳定性的影响因素及其评价方法 ,研究提出了巷道围岩内外层结构理论及其控制原则 ,为有效控制跨采巷道附加变形 ,保证工作面生产时巷道的正常使用提供了依
英文短句/例句
1.Research on Stability of Gateway under the Condition of Complex Constitution复杂构造条件下回采巷道稳定性研究
2.Numerical Simulation of Roadway Stability in Deep Mining based on Ansys基于ANSYS的深部巷道稳定性数值模拟
3.Research on the roadway stability under closed distance seam group近距离煤层群开采下巷道稳定性研究
4.Study on the affection of roof crevice water to the stability of mining roadways supported by cable bolts顶板裂隙水对锚索支护巷道稳定性的影响研究
5.Stability Evaluation of Coal Laneway and Development of Safety Assessment Software;煤矿巷道稳定性评价与安全评价软件开发
6.Stability Analysis of Fullly-Mechanized Caving Tunnel and Its Valuation in Chaos Dynamic Ways;综放沿空巷道稳定性分析及其混沌动力学评价
7.Intelligent Study on Stability Analysis and Supporting Design of Mining Tunnel;巷道稳定性分析及其支护设计的智能研究
8.The Effect of Mining Protecting Strata to the Stability of Roadway on the Overlying Strata;下保护层开采对上覆巷道稳定性的影响
9.The Crustal Stress Distribution Law and the Roadway Stability Analysis Near the Fault断层附近地应力分布规律及巷道稳定性分析
10.On soft interlayer affecting roadway stabilization in roof顶板中软弱夹层对巷道稳定性影响研究
11.Numerical simulation study on the stability and bolting parameters of roadway in inclined coal倾斜煤层巷道稳定性与锚杆支护数值模拟研究
12.Argillation of a Roof Weak Interlayer due to Water Seepage and Its Influence on Roadway Stability顶板软弱夹层渗水泥化对巷道稳定性的影响
13.The surrounding rocks of arched roadways are much more stable than that of rectangular roadways.圆弧拱巷道围岩稳定性要远大于矩形巷道。
14."Three bolting-anchor" Support Technologies Process Influence on Stability of Soft Rock Roadway Surrounding Rock软岩巷道“三锚”支护过程对巷道围岩稳定性影响
15.Analysis of the Stability of Open Mining SlopeIncluding the Underground Haulage Roadway含运输巷道的露天矿边坡稳定性分析
16.Study on the Stability of Rock Surrounding Gateway with Different Coal-pillar Widths煤柱宽度对巷道围岩稳定性影响分析
17."Three Bolting-anchor" Support Technics Process Influence on Stability of Soft Rock Roadway Surrounding Rock;软岩巷道“三锚”支护过程对巷道围岩稳定性的影响
18.A Study on the Stability of the Supported Development Drift after Underground Flooding in Chengchao Iron Mine程潮铁矿淹井后采准巷道支护的稳定性研究
相关短句/例句
Drift stability巷道稳定性
3)stability of roadway巷道稳定性
1.The Effect of Mining Protecting Strata to the Stability of Roadway on the Overlying Strata;下保护层开采对上覆巷道稳定性的影响
4)laneway stability巷道稳定性
1.The laneway stability can impact on the safety conditions of production and wokers during coal mine production This paper,On the basis of studying influencing factors on laneway safety.在研究分析影响巷道稳定性的地质条件、支护、施工和巷道变形监测等方面因素的基础上,提出了煤矿巷道稳定性模糊综合评价模型及其评价方法,为煤矿巷道稳定性的定性评价奠定了基础。
5)roadways stability巷道稳定
6)the stability classification of roadway surrounding rock巷道围岩稳定性分类
1.The artificial neural network provides us a new theoretical method on the stability classification of roadway surrounding rock.人工神经网络理论的出现为人们研究巷道围岩稳定性分类提供了一种新的理论方法。
延伸阅读
连续性与非连续性(见间断性与不间断性)连续性与非连续性(见间断性与不间断性)continuity and discontinuity 11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
