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- Steep coal seam mining 急倾斜
- Mining Practice in Steep Coal Seam under "Grey Hat" "灰帽"下急倾斜煤层采煤的实践
- 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。
- Study on pressure behavior laws of blasting mining face in steep coal seam 大倾角炮采面矿压显现规律研究
- steep coal seam with large inclined angle 大倾角急倾斜煤层
- 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。
- Research on strata behavior about hard roof steep coal seam 急倾斜硬顶中厚煤层开采矿压显现规律的研究
- 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
- NUMERICAL SIMUL ATION ON THE STABILITY OF OPENING IN STEEP COAL SEAM 急斜煤层巷道稳定性数值模拟
- Keywords steep coal seam;exploitability;fuzzy comprehensive evaluation; 急倾斜煤层;可采性;模糊综合评价;
- Ground pressure of top-coal caving face in difficult mining steep coal seams 急斜难采煤层水平分层放顶煤开采矿压研究
- Feasibility analysis of coal seam mining under a certain town 某建筑物下煤层开采可行性分析
- 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。
- Analysis for support-surrounding rock system structure of longwall face on the strike for steep coal seam 大倾角煤层走向长壁采面支架与围岩系统分析
- 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
- Study on Application of Bolting With Wire Mesh in Steep Coal Seam Roadway with Comprehensive Roof and Large Tilt Angle 锚索网支护在大倾角复合顶板煤巷的应用实践与分析
- Influence of Coal Seam Mining to Water - outburst in Bottom 煤层开采对底板突水的影响
