sublevel undercut caving method
分段下部掏槽崩落开采
Mechanism of capping rock collapse by no-pillar sublevel caving
无底柱分段崩落法开采顶板围岩崩落机理
induced block caving
阶段人工崩落开采法
sublevel blast-hole method
深孔分段崩落采矿法
Establishment of the Ventilation System of Sublevel Caving in Polylevel Mining
多中段开采分段崩落法通风系统的建立
Mining design procedures of the deep mining process sublevel caving stoping method
无底柱分段崩落采矿法回采设计方法
A VISCO-ELASTIC MODEL FOR ANALYSIS OF GROUND SUBSIDENCE DUE TO UNDERGROUND MINING BY PILLARLESS SUBLEVEL CAVING METHOD
无底柱分段崩落法开采地表移动分析的粘-弹性力学模型
Experimental Research on Small Segment Caving Mining Method in Qianhe Gold Mine
前河金矿小分段崩落采矿法试验研究
top slicing combined with ore caving
下向水平分层崩落采矿法
The Research of Stope Blasting Parameter in Sublevel Caving Method with Large Space between;
大间距无底柱分段崩落法回采爆破参数的研究
Mining Theoretical Great Breakthrough of Sublevel Caving Method
无底柱分段崩落法采矿理论的重大突破
Increasing of ore recovery rate and decreasing of ore loss & dilution rate in the case of pillarless sublevel caving
浅析无底柱分段崩落法提高矿石回采率
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。
Application of cut blasting in trench digging technique in the middle of the stope
掏槽爆破在采场中部掘沟工艺中的应用
Analysis of Mining Pressure in Sublevel Caving and Its Controlling Methods
无底柱分段崩落法采动地压规律分析及控制方法研究
The results show that the great plastic yield areas and pull failure areas are formed in the base structure with caved area extends.
结果表明,随矿岩崩落开采,崩落区下方岩层出现较大范围的塑性破坏区和拉破坏区。
Control of the Stability of Drift of Non-pillar Sublevel Stoping in Gangli Iron Mine
港里铁矿无底柱分段崩落采矿中巷道稳定性控制
The Geopressure Problem and Controlling Methods in Mining with the Bottomless Pillar's Sublevel Caving in TaoChong's Iron Mine;
桃冲铁矿无底柱分段崩落法采矿的地压问题与控制方法