coal roadway

用法例句

New development of rock bolting technology for coal roadway in China;

我国煤巷锚杆支护技术的新发展

Dynamic and informational rock bolting design method for coal roadway and its application;

煤巷锚杆支护动态信息设计法及其应用

The theory and technology of enclosure dust-laying model in speeded advance of coal road

煤巷锚掘快速施工的封闭控尘理论与技术工艺

Through the comparison with the traditional shed supporting technique adopted in the coal mine,this paper points out that the construction results prove that the use of the resin anchor-mesh supporting technique in the tunneling of the coal road is feasible technically,reliable safely and rational economically.

通过对煤矿传统架棚支护工艺的比较,指出在煤巷掘进中运用树脂锚网支护技术,施工结果证明其在技术上是可行的,安全上是可靠的,经济上是合理的。

Besides,the evaluation of the stability of coal road starting cut with Software FLAC is done.

根据彬长矿区大佛寺煤矿煤巷大断面开切眼的地质条件、几何特征及煤层的物理力学指标,完成了锚网支护设计,给出了支护参数,利用FLAC软件对煤巷开切眼的稳定性进行了评价。

Numeric analysis of the gas emission lengths of coalwall in the coal drift;

煤巷瓦斯预排深度数值模拟分析

The practice of bolt support in reserved coal drift in mining pressure area is introduced,helpful conclusion is obtained through observation and analyse.

介绍了煤巷锚杆支护在动压区留巷的实践,并通过观测及数据分析,得出了有借鉴意义的结论。

In the drivage of the coal drift in the Zhangji coal mine, most of the coal drift is revealed to be composite roof.

张集煤矿在煤巷掘进中,多数巷道揭露为复合顶板,岩性为泥岩,厚度为0。

Study on Roadway Bolting in Xishan Mine Area of Shanxi Coking Coal Group;

西山矿区的煤巷锚杆支护技术

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

Discernment and optimization on the key parameters of bolt-mesh support in the crushed soft roadway

松软破碎煤巷锚网支护关键参数识别与优化

Numerical simulation and industrial test of boreholes destressing technology in deep coal tunnel;

深井煤巷钻孔卸压技术的数值模拟与工业试验

After summarizing the working experiences and study results,this article has proposed a plate supporting technique with anchor bars in coal tunnels.

阳方口矿业集团公司下设程家沟矿、石湖矿,石湖矿主采2#煤层为复合顶板,程家沟矿主采煤层5#层为典型的“三软”煤层,均为困难条件下的煤巷锚杆支护。

The research shows that there are great difference in permeability coefficent with the flow method of one way and radius way in coal tunnel.

以平煤集团公司一矿为例,探讨了煤巷中煤层透气性系数的测定,研究结果表明:在煤巷中采用单向流量法测定煤层透气性系数与采用径向流量法测定煤层透气性系数两者相差甚大。

Study on observations on underground pressure of special thick seam at full seam gateway in high stress area;

特厚煤层高应力区全煤巷道矿压显现规律研究

Bolt Roadway Combined Support Technology in Large Section Coal Drift

大断面煤巷全锚杆巷道联合支护技术

Coal Roadway Bolt-Mesh Support Optimization Study of Jinyuan Colliery;

金源煤矿煤巷锚网支护方案优化研究

Popularization and Application of Thickening Torque Nut in the Coal Road Full Bolding

加厚型扭矩螺母在煤巷全锚杆巷道的推广使用

Application of Anchored Bolt Supporting Technology for Coal Roadway in Driving Roadway along Gob

全煤巷道锚杆支护技术在沿空送巷中的应用

Study on Cable Bolt Support and Its Application in Large Span Coal Entry of Daning

大宁煤矿大跨度煤巷锚索支护研究与应用

Light Drills Digs "Three soft" Coal Bed Coal Lane Tunneling Application

轻型钻掘机在“三软”煤层煤巷掘进中的应用

Research on Technology of Pre-stressed Anchor in Big Cross Section Coal Lane of Zaoquan Coal Mine;

枣泉煤矿大断面煤巷预应力锚固技术的研究

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

The Study on the Mechanism of the Outburst of Coal and Gas in the Process of Drivage;

煤巷掘进过程中煤与瓦斯突出机理的研究

pillar of ground

运输平巷上方的煤柱

Outburst Prevention Technology Incoal Exposure in the Driving of the Open Seam Roadway

浅谈掘进穿煤层巷道的揭煤防突技术

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

Gateway Layout Technology of High Gassy Thick Seam in Tunliu Mine

屯留煤矿高瓦斯厚煤层巷道布置技术

Mechanism of Narrow Pillar Protecting Roadway and Support Technology of Gob-Side Entry in Deep Mine

深井沿空巷道小煤柱护巷机理及支护技术

Practice of gob-side entry reatined under coal face in Fuqiang Coal Mine

富强矿采煤工作面下巷沿空留巷的实践

Roadway Supporting Technology Influenced by Mining and Protective Pillar Design

多次动压影响巷道支护技术及护巷煤柱留设

Application of High Location Drainage Roadway in Coal Uncovering in Large Inclined Angle Mine

高位抽放巷在大倾角井巷揭煤防突中的应用

Handicraft Study about Caozhuang Coal Mine-480 m Big Drift,Subsidiary Drift Water Sluice Gate Construction

曹庄煤矿-480m大巷、副巷水闸门施工工艺研究