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- Water-coal mixture burst is a new mine disaster in exploiting steeply inclined thick coal seam mining. 摘要急倾斜厚煤层开采时发生的水煤体溃泄是一种新的矿井灾害。
- Abstract: The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 文摘:分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素,探讨了预防煤层的自燃着火的开采技术措施。
- The influence factor of spontaneous ignition on coal seam mining and protective measures in Yangquan mine No.3 shaft are approached. 分析了阳泉矿区三矿井田煤层开采对自燃着火的影响因素,探讨了预防煤层的自燃着火的开采技术措施。
- This mining technology is innovations in the layout of this kind working face,mining method and technologies act and solves many technological difficult problems for the thin coal seam mining. 该开采技术在工作面巷道布置、开采机械、采煤方法、回采工艺等开采技术上进行综合创新,解决了薄煤层开采的技术难题。
- Through comparing calculation of two plan which are mining overall height in one times and shise mining, the optimum one suitake for thick coal seam mining in Dongrong No.3 Coal Mine is determined. 通过一次采全高和分层开采两个方案的比较计算,功定了适合东荣三矿厚煤层开采的最佳方案。
- Multi - coal seam mining 多煤层开采
- Feasibility analysis of coal seam mining under a certain town 某建筑物下煤层开采可行性分析
- Bolting Used for Thick Coal Seam Mining and Caving Roadway Firstly 特厚煤层放顶煤巷道首次应用锚固支护技术的实践
- Influence of Coal Seam Mining to Water - outburst in Bottom 煤层开采对底板突水的影响
- With the increase of the depth of coal seams mined, rock bursts will easily occur in gateways with fully-mechanized sublevel caving mining. 摘要随着煤矿开采深度增加,综放开采回采巷道易发生冲击地压危害。
- Keywords high-gradl caving coal;coal winning;thick coal seam mining; 高档放顶煤;回采;厚煤层开采;
- contiguous thin coal seams mining 近距离薄煤层开采
- Application of combined supporting in support removing supporters during "three soft" heavy coal seam mining 锚网索支护在"三软"厚煤层综放支架拆除中的应用
- Analysis and control of water hazard impacting No. 3 coal seam mining in tenth mining field of Baodian Coal Mine 鲍店煤矿十采区3煤开采的水害分析预测及防治
- Analysis of Features of Rock Movement and Seepage Mechanism for Shallow-lying Coal Seam Mining 浅埋煤层开采岩移特征与渗水机理分析
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- Study on Failure Laws of Surrounding Rock in the Steep Dip and Extra-thick Coal Seam Mining 急斜特厚煤层开采围岩破坏规律研究
- A Study on No.9 Coal Seam Mining under Safe Water Pressure, Xiyu Coalmine, Taiyuan 太原西峪煤矿9号煤层带压开采问题的研究
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- The Analysis of Utmost Bedrock Ply at Thin Bedrock and Thick Surface Soil Coal Seam Mining 薄基岩厚表土煤层开采的极限基岩厚度分析