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- This paper summarizes the characters of mining roadway layout adopted in thick coal-seam mining in Xinglongzhuang coal mine . 总结了兴隆庄煤矿厚煤层开采先后所用“采区巷道布置方式”特点与存在的问题。
- Gas accumulation in a mine roadway is a prerequisite condition for the occurrence of gas accidents. 矿井巷道瓦斯积聚是瓦斯灾害事故发生的前提条件。
- This paper introduces a method used to forecast the attitude and character of buried fault and its position and displacement in front of mining roadway. 介绍了一种利用断层影响带参数对掘进巷道前方隐伏断层的产状、性质、断层位置、断距进行超前预测的方法。
- TEM has the advantage of expedition, great efficiency, convenience, which is an effective way for the request of mine roadway leading prospecting. 瞬变电磁法作为一种快速、高效、方便的探测方法，可以很好的满足矿井巷道超前预测、预报的要求。
- Taking the maintenance technology for a mine crosscut roadway under a mining face in above seam in a mine,the paper analyzed the cause of the mine roadway failure. 以某矿石门巷道受上部煤层工作面跨采影响条件下的维护技术为例,对巷道破坏的原因进行了分析,从提高围岩强度的角度出发,提出了在原支护条件下对被保护巷道进行注浆加固的方案。
- The prerequisite of rock burst occurrence is that the elastic energy in coal and rock mass around coal mine roadway and stope has accumulated enough. 冲击地压发生的前提是矿山井巷和采场周围的煤岩体中储存了足够的弹性能。
- Analyses that system mechanization caving mining roadway is the whole coal and was beared stress complex.Discusses the important meaning for studing its roadway surround rock stability. 分析了综采放顶煤回采巷道为全煤巷道,并且所受应力复杂,阐述了对该巷道围岩稳定性研究的重要意义。
- Study was conducted on the roof of No. 3604S4 coal face and the actual mining roadway with fractals, and a few kinds of functional values of subsidence velocity of this face were obtained. 用分形对3604S4工作面和回采巷道顶板进行了研究,得到了该工作面下沉速度的几种分维值。
- mining roadway in fully mechanized caving face 综放回采巷道
- Study on Bolting Support of Coal Side in Actual Mining Roadway 回采巷道煤帮锚杆支护技术研究
- Research on actual mining roadway of roof bolted roadway 锚杆巷道沿空留巷研究
- I think your plans will chime in with mine. 我想你的计划会同我的相吻合。
- Simulation of Tramcar Transportation System in Main Mine Roadway 矿井大巷矿车运输系统模拟
- Floor Heave Control in Mine Roadway with Flying Ash Grouting 控制巷道底鼓的浮渣注浆法
- Bolt support mechanism and practices in mine roadway with rock bump 巷道冲击矿压的锚杆支护机理及实践
- Bolt support technology in mine roadway of special seam roof 特殊岩层顶板煤巷锚杆支护应用研究
- Application of rock milky explosive in coal mine roadway drifting 岩石乳化炸药在煤矿岩巷掘进中的应用
- Broken and analysis on anchor in mine roadway complex roof 复合顶板巷道锚索的破断及其分析
- Using urethane foam coating to treat air leakage in mine roadway 聚氨酯泡沫喷涂堵漏风技术在煤巷的应用
- Test research on ground pressure control for deep mine roadway 深井巷道地压控制的试验研究
