煤巷顶板,roof of coal roadway
1)roof of coal roadway煤巷顶板
英文短句/例句
1.Study on the Roof Bedding Separation and Anchoring Effect of Extremely Thick Coal Seam Large Section Roadway;特厚煤层大断面煤巷顶板离层及锚固效应研究
2.Analysis on Influence Elements of Coal Roadway Roof Stability in Halagou Coal Mine哈拉沟煤矿煤巷顶板稳定性影响因素分析
3.Safety Evaluation of Roof-bolt Coal Roadway Based on Fault Tree Analysis基于事故树分析法的锚杆支护煤巷顶板安全评价
4.Study on Failure Law and Support Technique of Stratified and Weak Rock Roof of Roadway;煤巷层状软岩顶板破坏规律及支护研究
5.Reserving space for lane along the tunnel under the condition of soft coal bed,compound roof supports and protections;松软煤层复合顶板联合支护 沿空留巷探讨
6.Bolting Feasibility Analysis of compound roof entry in WuFeng coal mine五凤煤矿复合顶板巷道锚杆支护可行性分析
7.Roadway Mechanized Excavation Technology for the Close Distance Seams for the Composite Lay Roof under Goaf近距离煤层采空下复合层顶板巷道综掘技术
8.Research on coal roadway compound roof support with bolt-mesh-anchor复合顶板煤层巷道锚网索支护技术研究
9.Very Thick Coal Roadway Roof Analysis and Design Support System极厚煤层巷道顶板分析及支护方案设计研究
10.On compound support for composite roof in gob-side entry in thin coal seams浅谈薄煤层复合顶板沿空留巷联合支护
11.Study on Complex Active Support System of Seam Gateway with Thick Carbonaceous Mudstone Roof厚层炭质泥岩顶板煤巷复合主动支护系统研究
12.Research on the Tunnel Supporting and Propriate Coal Wedre Preserving under the Provide of the Upper Plate of Qiling Coal Mine;七岭煤矿坚硬顶板条件下巷道支护及合理煤柱留设研究
13.Study on Laws of Surrounding Rock Stress Distribution and Roof-off-strata of the Gate Bolting Support;煤巷锚杆支护围岩应力分布及顶板离层规律的研究
14.Study on the Comprehensive Technique about Surrounding Rock Control and Bolting of Coal Roadway with Broken Roof;全煤巷破碎顶板围岩控制及锚杆支护配套技术研究
15.The Application of the Roof Gas Tunnel on No.145 Coal Face;顶板瓦斯巷在145采面(二采3#层俯二采煤面)的应用
16.EStrengthen the management of roadway roof to reduce the roof accident加强巷道顶板管理 减少顶板事故发生
17.Study on Gateway Top Caving Technology for Steep-inclined Coal Seam急倾斜煤层巷道放顶煤回采工艺研究
18.Study on Technology of Top-coal Caving Mining of Lane Pillar in 3.5～10m Steeply Inclined Coal Seam;3.5～10m急倾斜煤层巷柱式放顶煤开采技术研究
相关短句/例句
roadway roof coal巷道顶煤
1.The deformation mechanism of surrounding rock is analyzed by the energy principle,and the mechanical model ofroadway roof coal is established.根据砌体梁理论 ,老顶以给定变形方式作用于综放沿空巷道围岩 ,应用能量原理分析了巷道围岩的变形机理 ,建立了巷道顶煤的力学模型 ,运用变分法对老顶给定变形下顶煤的变形进行了初步求解 ,并对顶煤下沉量与支护阻力、煤体弹性模量、巷道宽度的关系进行了探讨。
3)top coal drift顶煤巷道
1.This paper researched softtop coal drift stable control technology at the effect of supporting strain.研究了在采动支承应力作用下松软顶煤巷道的稳定控制技术,以山西兰花集团大阳煤矿3100孤岛面的回风巷为研究对象,应用高水速凝材料对松软顶煤预注浆、对巷道两帮煤体滞后注浆,锚杆、锚索联合支护的方式有效控制了松软顶煤动压巷道围岩变形。
4)top heading顶板巷道
1.Application study on the methane drainage frommined area by atop heading;顶板巷道抽放采空区瓦斯的应用研究
5)Tunnel roof巷道顶板
6)roof roadway顶板巷
延伸阅读
综采放顶煤综采放顶煤：厚煤层煤炭开采技术之一。把原来分层开采的煤炭，一次采完。方法是，在煤层底部按传统方法开采，使上面的煤炭在矿压的作用下，自动落下来。
