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- Keywords gently inclined coal seams;stability of wall rock;rockbolt shoring design; 缓倾斜煤层;围岩稳定性;锚杆支护设计;
- gently inclined coal seams 缓倾斜煤层
- gently inclined coal seam 缓倾斜煤层
- Strata behavior and its control of inclined coal seam face 倾斜煤层长壁开采岩层运动特征及顶板控制
- Application of improved single prop in great inclined coal seam 在大倾角煤层中单体支柱的改造
- Study of Geological and Technologic Evaluation for Steeply Inclined Coal Seams 急倾斜煤层可采工艺性评价及应用研究
- Mechanism Analysis and Preventive Measures of Blasting Face Rib Fall in Gently Inclined Coal 缓倾斜煤层炮采工作面片帮机理分析及预防措施
- Gas emission law and control of gently inclined coal mining face with gateway retained for next sublevel 缓倾斜沿空留巷采煤工作面瓦斯涌出规律及治理
- Roadways Layout of Slope Mining Method in Steeply Inclined Coal Seam 急倾斜煤层斜坡采煤法巷道布置方式探析
- Analysis on Apparent Dip Caving Technology in Steeply Inclined Coal Seam 急倾斜工作面伪俯斜放顶煤工艺探析
- Coal Pillar Design of Strip Mining in Deeply Inclined Coal Seam under Buildings 建筑物下急倾斜煤层条带开采的煤柱设计
- Coal miners; coal seams; coal haulers. 煤矿工; 煤层; 运煤工
- Kang T H, Jin Z M.Laws of Coal-Rock Movement and the Technical Parameters on the Fully Mechanized Sub-Level Caving Face of the Gently Inclined Seam [J]. the Ming Engineer, 1995. 康天合;宋选民.;煤层条件对顶煤可放性的影响研究[J]
- Experimental Research of the Application of Anthracitic Column Mining Technology in the Inclined Coal Seams 急倾斜煤层群应用无煤柱开采技术的试验研究
- Coal seams intermixed with iron ore. 煤层和铁矿混杂在一起。
- Mining Technology without Pillar in Raise Direction of Close and Overlapping Inclined Coal Seams 上山近距离压覆倾斜煤层无煤柱开采技术
- Keywords inclined coal seams;pressure appearance;simulative experiment;anthracitic column mining; 急倾斜煤层群;矿压显现;模拟试验;无煤柱开采;
- Technology of Positive Cutting Through Coal Seam in Gentle Inclined, Unstable, "Three-soft" and Outburst Coal Seam under Slide Tectonics 滑动构造下"三软"不稳定高突小倾角煤层正向揭煤技术
- Non-pillar sublevel caving may be used in the mining of gently inclined medium thick orebody when footwall cutting technology is adopted. 在采用下盘切岩工艺后,无底柱分段崩落法可以在缓倾斜中厚矿体中应用。
- Coal seams intermixed with iron ore . 煤层和铁矿混杂在一起。
