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- Test research on ground pressure control for deep mine roadway 深井巷道地压控制的试验研究
- deep mine roadway 深部巷道
- Combined support system with bolt, steel mesh and anchor applied in mining roadway of fully mechanized caving mining face retained for next sublevel in deep mine 锚网索联合支护在深井综放沿空巷道中的应用
- Application of combined support system with bolt, steel mesh and anchor in mining roadway of fully mechanized caving mining face retained for next sublevel in deep mine。 例三:“锚网索联合支护在深井综放沿空巷道中的应用”,抓住中心词“联合支护”,翻译成:
- 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。
- 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。
- 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。
- Deep mining first blighted the West Virginia landscape. 深挖矿井首先使弗吉尼亚州的风景遭到破坏。
- The extraction of coal from these deep mines is expensive. 从这些深矿中取得煤是很昂贵的。
- The characters of deep mine are larger raw rock pressure,larger ore body plasticize,mine pressure severe appearance. 深矿井的特征是原岩压力大、矿体塑性大及矿山压力显现剧烈。
- 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。
- Underground test showed that this system can control large do formation of deep mine to keep stability of its surrounding cock. 井下试验表明,高预应力、强力锚杆支护系统能有效控制深部巷道强烈变形,保持围岩稳定。
- RESEARCH ON FLOOR HEAVE OF ROADWAY IN DEEP MINING 深部开采中巷道底鼓问题的研究
- 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。
- 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。
- Research on the Mechanism of Floor Heave of Roadway in Deep Mining 深部开采条件下巷道底鼓机理的研究
- After entering deep mining in Fujia mine, the orebody becomed small, stope layer transition increased, and productive capacity decreased. 富家矿转入深部开采以后,矿体变小,采场转层次数频繁,生产能力降低。
- 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。
- Most of large and middle scale open-pit mines in China have reached deep mining. 摘要我国的大多数大中型露天矿山已经或即将进入深部开采。
- The rock in the fault zones in mine roadways are generally fractured and difficult to support.As they often connect with the water containing layer, water inrush is apt to occcur. 矿山巷道中的断层带岩石一般比较破碎,难以支护,而且常常与含水层导通,易发生涌水。