sublevel undercut caving method

用法例句

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