崩落采矿法

海底成组更换采油法无底柱分段崩落采矿法回采设计方法

Mining design procedures of the deep mining process sublevel caving stoping method

基于DDEM的自然崩落采矿法崩落规律的数值模拟

Numerical simulation of caving law in natural caving mining method based on deformable discrete element method

崩落采矿法放矿的离散元仿真

Discrete Element Simulation of Ore Drawing by Caving Method in Mining

邯邢矿山崩落采矿法空区下的安全回采

Safe recovery beneath empty zone of caving mining in Hanxing mines

振动放矿在阶段崩落采矿法中的应用

The Utilization of Oscillating Release Ore in Sublevel Caving Method

某锡矿难采矿体分层崩落采矿法试验研究

Study on mining experiment of layer falling in one difficult tin orebody

西石门铁矿采用无底柱分段崩落采矿法开采。

Sublevel caving without sill pillar is used in Xishimen Iron Mine .

自然崩落采矿法计算机放矿控制技术

The ore - drawing computer control in caving method s

大间距无底柱分段崩落采矿法的研究和应用

Research and Application of Large Interval Non-pillar Sublevel Caving Method

崩落采矿法放出体移动基本规律与计算

Main rules and calculations of drawing movement in caving method

崩落采矿法覆盖层合理保有厚度的探讨

Optimum Thickness of Covering Layer in Sublevel Caving Stopping

高阶段大直径深孔爆破技术在安庆铜矿的应用深孔分段崩落采矿法

Application of High Bench Large Diameter Longhole Blasting Technology in Anqing Copper Mine

震动会引起矿顶塌落。深孔分段崩落采矿法

Vibrations will cause the roof of the mine to collapse . sublevel blast-hole method

大姚崩落采矿法借计算机模拟优选采场参数

Optimization of Stope Parameters of Dayao Caving Mining With the Help of Computer Simulation

地下金属矿山崩落采矿法岩层移动规律分析

Analysis of the Rock Stratum Displacement Law in Caving Mining of Underground Metal Mines

组合式崩落采矿法试验研究

An Experimental Research in Composite Caving Mining

分段崩落采矿法的稳定性分析

Stability analysis of the sublevel caving method

深孔分段崩落采矿法大冶铁矿东露天采场高陡岩质边坡典型地段稳定性分析

Sublevel blast-hole method Stability Analysis of the Typical Slope Area in Hubei Daye Iron Mine

山坡地形下崩落采矿法开采引起大范围地表开裂的数值分析

The numerical analysis of large-scale surface fracture resulted from caving mining in the slope terrain

采用高分段大间距是无底柱分段崩落采矿法在世界各国的发展方向。

The adoption of pillarless sublevel caving with high sublevel and large drive interval is a world development orientation .

林歹铝矿崩落采矿法借模拟试验优选采场结构与参数

Optimization of the Stope Structure and the parameters of Lin Dai Bauxite Mine Caving Mining by Means of Simulation Experiment

随着地下矿山进入深部开采，充填采矿法取代崩落采矿法回采矿石势在必行。

With the development of deep mining , it is imperative to adopt filling mining method instead of caving mining method .

采用无底柱分段崩落采矿法，国内外一直采用截止品位放矿法来控制出矿。

Cut-off grade method has been used to control the ore drawing in non-pillar sublevel caving mining both in and outside China .

即束状孔有底柱崩落采矿法，并概括论述了该方法与其类似的垂直平行密集束状孔落矿的有底柱崩落采矿法的区别和各自的特点。

And the contrast is made between the method and another method-caving mining with bottom column and parallel vertical concentrated filamentary hole .

无底柱分段崩落采矿法是否适用于松软破碎矿体，一直是采矿界争论的焦点。

Whether the sill-free sublevel caving mining method is suitable to break and broken orebody has been being discussed for a long time .

在无底柱分段崩落采矿法中，铲运机由于其具有出矿效率高、机动灵活、多用性等优点而被广泛采用。

Scraper is widely used in pillar-less sublevel caving due to its high ore drawing efficiency , mobility , flexibility and general , purpose application .

无底柱分段崩落采矿法开采深埋软破缓倾斜矿体采场地压显现规律

The regularity of ground pressure occurrence during the excavation of deep-buried , gentle dipping orebody embedded in weak and fractured surrounding rock by sublevel caving

无底柱分段崩落采矿法存在损失贫化大和损失贫化难以控制的缺点。

Disadvantages of sublevel caving without sill pillar lie in high ore loss and dilution as well as difficult control of ore loss and dilution .

针对前河金矿地质及开采技术条件和生产现状，进行了小分段崩落采矿法试验研究。

Aiming at the geological and mining conditions in Qianhe gold mine , the experimental research on small segment caving mining method is carried out .

无底柱分段崩落采矿法通风问题的探讨综放采场自然发火规律及注氮防灭火技术研究

The research on the ventilation problem of sub - level caving rules of spontaneous ignition and injection of nitrogen for fire control in sub level caving workings