Application of DY-150 type single-drum shearer at inclined seam;
DY—150型单滚筒采煤机在倾斜煤层中的使用
The production forecasting model about multi-branch wells in inclined seam in different tendencies;
倾斜煤层中不同倾向多分支井产能预测模型
This paper introduces that tilting prevention support group is developed and applied result in inclined seam workface.
介绍专为倾斜煤层采煤工作面研制的单体防倒组合支架及其应用效果。
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
In order to recognize the characteristic and regularity of underground coal gasification(UCG) in inclined coal seams, the model test was conducted with the help of a multi function model test platform.
为了认识倾斜煤层煤炭地下气化特征和规律性 ,藉助多功能模型试验台 ,对倾斜煤层进行了模型试验研究 。
A typical gateway in inclined coal seam is analyzed using fully-deformablediscrete element method.
采用可充分变形的离散无法，对一个倾斜煤层回采巷道的稳定性进行了分析，并进行了围岩松动范围的测试。
Repetitive mining subsidence with thick soil layers and steep seam;
厚冲积层急倾斜煤层群开采重复采动下的开采沉陷
Similar material simulation study on the mining overburden movement law in steep seam;
急倾斜煤层开采上覆岩层运动规律模拟研究
Model and its application on the evaluation of degree of difficulty of top coal caving in steep seam;
急倾斜煤层顶煤可放性评价模型及应用
Based on the analysis of problems in slope mining in steeply inclined coal seam in Datai Mine, 3 improvement projects were put forward according to on-the-spot application status.
分析了大台矿急倾斜煤层斜坡式开采存在的问题,结合现场应用情况,提出3种改进方案,条件适宜时,配合机械化水平的提高,可提高生产效率和经济效益。
Aimed at the steeply inclined coal seam of Datai Mine,practicable prevention measures are put forward and better effective is obtained.
结合大台井急倾斜煤层提出了相应的切合实际的防治措施,如防治冲击矿压的钻孔布置、注水设备的选择、注水工艺参数的确定等,收到了较好的实效。
Based on the #403 face entry of Guandi coal mine,the characters of steeply inclined coal seam entry maintenance is introduced.
以官地矿403工作面回采巷道为工程背景,介绍了急倾斜煤层巷道的维护特点,分析了该巷道的支护难题。
Determination of local caving rule in steep coal seam repeated mining and safe mining height;
急倾斜煤层复采抽冒规律与安全开采高度确定
In order to predict the mining effect and choice the technical decision,the comprehensive evaluation on steep coal seams was taken.
为了预测急倾斜煤层开采的效果和决策辅助技术,对急倾斜煤层可采工艺性进行综合评价。
The paper summarised technology for guick-equiping and withdrawing powered support is suitable for steep coal seam and is ripe experience.
总结了液压支架快速安装与回撤技术,该技术适用于急倾斜煤层,且已日趋成熟。
Longwall mining along the dip of the unstable coal seam and strata control
不稳定煤层倾斜长壁开采及矿压控制
Analysis and technological measures for longwall topple mining process at the big inclined angle seam
大倾角煤层倾斜长壁仰斜开采工艺分析及技术措施
rill cut and fill method
倾斜分层充填采煤法
Study on Gateway Top Caving Technology for Steep-inclined Coal Seam
急倾斜煤层巷道放顶煤回采工艺研究
Analysis of Mining Steeply Inclined Coal Seam with Bursting Risk in Small Colliery
小煤矿急倾斜突出煤层开采方法探析
Application of inchined longwall and overhead mining technology in large tilt angle coal seam mining
倾斜长壁仰斜开采技术在大倾角煤层中的应用
Application of air holders in gentle dip and thin seam
气垛支架在缓倾斜薄煤层中应用分析
Study of Overburden Water Flowing Fractured Zone Height of Steep Seam Mining
急倾斜煤层覆岩导水裂隙带高度研究
Support Technology of Roadways Driving in Steep Middle Thick Coal Seam
急倾斜、中厚煤层巷道掘进支护技术
Safety top-coal-caving of heavy and steep coal seams under complex environment
复杂环境下急倾斜特厚煤层安全开采
Study on assorted technique of full-mechanized equipments for high-dipping thick Layer
急倾斜厚煤层综放设备配套技术研究
Study on Technology of Top-coal Caving Mining of Lane Pillar in 3.5～10m Steeply Inclined Coal Seam;
3.5～10m急倾斜煤层巷柱式放顶煤开采技术研究
Study the Laws about Steep Soft Coal Seam Coal and Gas Outburst;
急倾斜松软煤层煤与瓦斯突出规律研究
Research on Reasonable Dimension of Protective Pillar for Cross-cutin Steeply Inclined Coal Seam
急倾斜煤层石门保护煤柱合理尺寸研究
Combin gateway and pillar with fully mechanized top cawing mining technology in steep inclined special thick seam
急倾斜较薄特厚煤层巷柱-综采放顶煤开采技术
Three Anti-Measures for Strike Longwall Retreating Mining In Sloping Coal Seam
倾斜煤层走向长壁后退式采煤法的三防措施
Mechanism of Water-Coal Mixture Burst in Exploiting Steeply-Inclined Thick Coal Seam
急倾斜厚煤层开采水煤体溃泄机理研究
Exploration and Application of Support Methods in Half Coal Rock Roadway in Steep Coal Seam
急倾斜煤层半煤岩巷支护方法的探索与应用