substoping and caving

用法例句

In accordance with the geological conditon of 5's mineral lode of Hao chang mine field of Guyi Iron ore, raising the sublevel caving design scheme and some suggestions in using the mining method.

针对故驿铁矿蒿场矿区5号矿体的地质特征,提出无底柱分段崩落采矿法的设计方案,并就该采矿方法的具体使用提出几点建议。

In addition, sublevel caving without sill pillar fit for the few orebody which are thick enough and multi layered.

分段空场法主要用于开采厚度大于5m的矿体,盘区房柱法主要用于开采厚度小于5m的矿体,对于有覆岩条件的局部多层位矿体采用无底柱分段崩落采矿法。

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

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

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

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

Application of Non-pillar Sublevel Caving Method in Pillar Recovery

无底柱分段崩落法在矿柱回收中的应用

Optimization Discussion of Non-pinar Sublevel Caving Production Unit Series

无底柱分段崩落法采矿的生产单元系列优化研究

Improved way of sublevel caving without sill pillar of Chambish main orebody

谦比希铜矿主矿体无底柱分段崩落法改进途径

Study on Reasonable Cut-off Grade for Ore Drawing in Sublevel Caving Method;

无底柱分段崩落法合理放矿截止品位的研究

Application of Non-sill Pillar Little Segment Caving Method in Yunnan Lancang Lead Mine

无底柱小分段崩落法在云南澜沧铅矿的应用

Application of Big Parameter of No-Pillar Sublevel Caving in Dahongshan Iron Mine

大参数无底柱分段崩落法在大红山铁矿的运用

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

Development of MCAI Courseware for Sublevel Caving;

无底柱崩落采矿法的MCAI课件的开发

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

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。

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

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

STUDY ON STRUCTURE PARAMETER OPTIMIZATION OF SUBLEVEL CAVING FOR HIGH-DIPPING MIDDLE THICKNESS ORE BODY

急倾斜中厚矿体无底柱分段崩落法结构参数优化研究