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井巷稳固性 Mine workings firmness英语短句 例句大全

时间:2023-08-12 10:08:54

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井巷稳固性 Mine workings firmness英语短句 例句大全

井巷稳固性,Mine workings firmness

1)Mine workings firmness井巷稳固性

英文短句/例句

1.Study of Relation Between Ground Stress and Rock cap and Mine Workings Firmness of Gold Mine某岩金矿山地应力、覆盖岩层与井巷稳固性的关系研究

2.Analysis of Deep-well Dynamic Pressure Drift Rock Grouting Reinforcement Experiment and Stability Control深井动压巷道岩石注浆加固实验与稳定性控制研究

3.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

4.Change in Air Flow and Stability Based on Mine Ventilation Network of Dynamics基于通风网络动态的井巷风流变化与稳定性

5.Study on the Stability Classification of Entry Roof and the Support Principle of the Bolting Structure;巷道顶板稳定性分类及锚固支护机理研究

6.Safety and Stability Analysis for Oil-well-solidifying Cement Truck with Dual-engines and Dual-pumps双机双泵固井水泥车安全稳定性分析

7.Classification on the Stability of Rock around Deep Gateway under Dynamic Pressure and Its Supporting Design in Pansan Mining Area;潘三矿深井动压回采巷道围岩稳定性分类及其支护设计

8.Study on Stability of Deep Joint Rock Roadway and Prestressed Anchor Support Design深井节理岩体巷道稳定性及预应力锚杆支护设计研究

9.The Nondestructive Detection in Anchorage Quality of Rock Bolts and Mechanism Research on the Prediction of Laneway Surrounding Rock Stability锚杆锚固质量无损检测与巷道围岩稳定性预测机理研究

10.The soft soil shield driving top wall bottom pit reinforce stability number analysis软土盾构端头井基坑加固稳定性数值分析

11.Practices of Laneway Driving and Supporting in Unstable Terrane不稳固岩层中的巷道掘进与支护实践

12.Analysis on the Depreciation Method of the Shaft-Tunnel Fixed Assets of the Coal Enterprises;浅析煤炭企业井巷固定资产的折旧方法

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.Through numerical analysis, the stability of surrounding rock in two sides of deep roadway under the conditions of supporting and grouting in the floor was studied.通过数值计算,研究了底板支护和注浆加固底板后深部软岩巷道两帮围岩的稳定性。

16.Application of Smooth Wall Blasting Technique in Unstable Developing Drift光面爆破技术在不稳固采准巷道中的应用

17.Smooth Blasting Used in the Infirmness Preparatory Workings光面爆破技术对不稳固采准巷道的应用

18.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

相关短句/例句

Unstable drift不稳固巷道

3)fixed assets in shaft and tunnel井巷固定资产

4)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

5)laneway stability巷道稳定性

1.Thelaneway 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。

6)stability of the country rock煤巷稳定性

延伸阅读

稳固①安稳坚牢:基础稳固|阵地稳固|政权稳固|地位稳固。②巩固:稳固政权|稳固地基。

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