Suspension arch method of drifting in unstable strata;
不稳定岩层中平巷掘进的悬拱法
In order to improve the blasting effect of drifting in Xinhong Mine, on the basis of a discussion on blasting mechanisms, the reasonable blast parameters have be selected and the proper cutting form has be determined.
为提高新宏煤矿平巷掘进爆破效率,在探讨爆破机理的基础上,选择了合理的爆破参数,并确定了适当的掏槽形式,使新宏煤矿爆破和掘进效率大为提高,取得了较好的经济效益。
Supporting Method for Drifting in Unstable Ore Rock in Jingtieshan Iron Mine;
镜铁山铁矿采用插管法和超前锚杆支护法成功地解决了破碎矿岩中平巷掘进问题，积累了在不稳定矿岩中平巷掘进施工的经验。
The practices showed that the suspension arch method of drifting is an effective way of drifting in unstable strata.
实践证明，悬拱法是不稳定岩层中平巷掘进的有效施工方法。
The Study of the Celerity Single Tunneling Technique of the Horizontal Tunnel in the Second Shizuishan Mining;
石嘴山二矿水平巷道单巷快速掘进技术研究
Discussion on Excavation of Drift Using Medium-to-Long Hole Blasting In Xiangtan Manganese Mine
湘潭锰矿推广应用中深孔爆破掘进平巷的探讨
A level in a mine driven so that it intersects a vein of ore.
石门，横巷矿井内掘出的平巷，它与矿脉相交
Smooth Surface Demolition in Rock Alley Driving the Importance for That Tunnel Becomes Shape
光面爆破在岩巷掘进时对巷道成形的重要性
The Use and Improvement of MK3--the First Stone Drift Driving Machine in China;
国内首台MK3岩巷掘进机的使用与改进
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
Brief Talks of Enhancing the Speed of Rapid Excavation of Comprehensive Bolting Support Tunnel
提高综掘锚杆支护巷道快速掘进速度的探讨
Middle-Deep Bore Blasting Experimental Study on Hard Rock Tunnel Heading
硬岩巷道掘进的中深孔爆破试验研究
Research on Gas Emission Law in Coal Road Heading Face of Driving;
煤巷掘进工作面瓦斯涌出规律的研究
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
Numerical Simulates Studying in roadway construction temperature field simulation
基于CFD技术的掘进巷道温度场模拟
Implemtation and Effect of Roadway Guide-Chamber High-Speed Driving Method at Coal Mines
煤巷导硐法快速掘进实施方法及效果
Technology of Supporting Super High Roadway in Large-height Mining Face
大采高工作面超高巷道掘进支护技术
Rapid Tunneling Technology for Semi-coal Rock Tunnel in Sitai Coal Mine
四台矿半煤岩巷道快速掘进工艺技术
To Open Up the Cave Tunnel Boring Cause of the Accident Analysis and Prevention and Control Measures
掘进巷道冒顶事故的原因及防治措施
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
Support Technology of Roadways Driving in Steep Middle Thick Coal Seam
急倾斜、中厚煤层巷道掘进支护技术