Numerical analysis on ascending mining in coal seam group with shallow burying and near interval;
浅埋近距离煤层群上行开采数值分析
Study and application of ascending mining method in Daming No.1 Coal Mine;
大明一矿上行开采法的研究与应用
Under the instruction of this thought,the surface subsidence law and ascending mining law were analyzed and compared.
地下煤层开采,采场顶板垮落、覆岩沉降和破坏乃至地表沉陷变形是一个整体全过程,是一个统一系统,在此思想的指导下,对地表沉陷规律与上行开采过程中覆岩沉降规律进行了分析和比较,得知垮落带与断裂带高度是否进入到上层煤是煤层能否进行上行开采的关键,同时对影响上行开采的几大因素进行了分析。
Analysis on the damage zone of overlying strata and safety layer distance on the upward mining above the longwall goaf
长壁开采上覆岩层损伤范围及上行开采的层间距分析
Feasibility on the upward mining of the left-over coal above goaf with pillar supporting method
刀柱采空区上方遗弃煤层上行开采可行性判定
According to the actual condition of geology and character parameter of rock mechanics,the feasibility on upward mining of 1-2 seam of yima mine was studied.
在伊吗矿实际地质条件和岩石力学性质参数的基础上,研究1-2煤层上行开采的可行性。
Study on the Theory and Its Application of Upward Mining of Left-Over Coal
残采区上行开采基础理论及应用研究
Feasibility on the upward mining of the left-over coal above goaf with pillar supporting method
刀柱采空区上方遗弃煤层上行开采可行性判定
Feasibility Analysis on Upward Mining for Coal Mining Face of Qianjiaying Mine
钱家营矿采煤工作面上行开采可行性分析
Application of revolving mining in longwalling irregular thin coal seam in upward mining manner
旋转开采技术在上行开采不规则薄煤层综采面的实践
Analysis on the damage zone of overlying strata and safety layer distance on the upward mining above the longwall goaf
长壁开采上覆岩层损伤范围及上行开采的层间距分析
Research of near range overmining of Qinghemen coal mine
清河门矿近距离煤层群上行开采技术
Discussion on Key Technology of Upward Mining for Top Coal Caving Mining in Jining No.3 Coal Mine
济宁三号煤矿放顶煤上行开采关键技术探讨
Mine Water Prevention and Control Technology of Upward Coal Mining Face with Close Distance to Other Seam
近距离煤层上行开采工作面防治水技术
DETERMINATION OF KEY POSITIONS OF STRATA CONTROLLING IN ROCKS BETWEEN COAL SEAMS FOR UPWARD MINING
上行开采层间岩层控制的关键位置判定
Research and Application of Upward Top Coal Caving Mining Technology in Thick Seam
厚煤层上行开采放顶煤技术研究与应用
Research on Rational Time and Technology of Driving Roadway for Upward Mining in Soft Rock
软岩地层上行开采合理送巷时间与技术研究
A Study on Rock Pressure of Ascending Order in Mining Adjacent Gypsum Seams with Long Wall Picking Fill
近距离石膏矿层长壁充填法上行开采的矿压研究
Study of Deformation and Destruction Mechanics and Numerical Simulation on Ascending Strip Mining of Short Distance Coal Seams;
近距离煤层条带上行开采煤岩层变形破坏机理及数值模拟研究
Numerical Simulation Study of Strata Behavior Regularity of Ascending Mining in Close Distance Coal Seams
近距离煤层上行开采矿压显现规律数值模拟研究
overhand cut and fill
上行分层采掘充填开采法
Overhand stoping indicates working from a lower to an upper level; underhand stoping is the opposite, from an upper level to a lower level.
上向回采是指从下往上开采，下向回采则相反，从上往下开采。
With mining downwards, it is an important problem facing Jinchuan Longshou Mine whether the upper filling body can meet require of mining the lower ore.
随着开采的不断向下进行，上部充填体是否能满足下部开采的需要是矿山所面临的重要课题。
Gradually the government began to take action.
政府逐渐开始采取行动。