Stope pillar recovery in overall mining method;
全面采礦法采場的礦柱回采
open-end method
(采礦) 敞開進路式礦柱回采法
Mine Pillars Mining with Small-scale Coal Mining Approach in Small Coal Mine
小型煤礦采用小進路采礦法的礦柱回采
When the ore is particularly valuable, the walls and pillars are often removed at a later stage and the roof of the chamber is allowed to cave in. This technique is known as robbing.
如果礦石特別寶貴，礦壁和礦柱常在最后回采，讓采場頂板冒落。這一技術(shù)叫礦柱回采。
Integrated Technology of Middle Pillar Stoping Under Dry Filling Materials
干式充填體下中段礦柱回采綜合技術(shù)研究
Optimize of Ore Pillar Mining Methods Based on Fuzzy Synthetical Judgment
基于模糊綜合評判法的礦柱回采方案優(yōu)選
The Application of Heterogenous Interface Control-blasting Techniques in the Mining of High-level Pillars at Anqing Copper Mine
異質(zhì)界面控制爆破技術(shù)在安慶銅礦高階段礦柱回采中的應(yīng)用
pillar robbing
【采礦】回收礦柱法
Mining design procedures of the deep mining process sublevel caving stoping method
無底柱分段崩落采礦法回采設(shè)計方法
The Technology and Practice of the Safe Pillar Stoping in the Mined Area of Shizishan Copper Mine
獅子山銅礦采空區(qū)礦柱安全回采技術(shù)與實踐
Study on the Reclimaning of Fault Waterproof Coal Pillar in Mafang Mine;
馬坊煤礦斷層防水煤柱開采回收研究
Research of Extraction Quality Evaluation of a Stope and Safety and High-efficiency Extraction of Ore Pillar Based on a Cavity Monitoring System
基于空區(qū)實測的采場回采質(zhì)量評價與礦柱安全高效回采研究
A new method for the mining of gentle dip and mediun thickness orebody
緩傾斜中厚礦體的一種新的采礦方法——深孔放頂連續(xù)回采房柱法
Ground Pressure Monitor and Pillar Robbing Technology in Dangping Baoshan Mining Region
蕩坪鎢礦寶山礦區(qū)水平礦柱地壓監(jiān)測與回采技術(shù)研究
Increasing of ore recovery rate and decreasing of ore loss & dilution rate in the case of pillarless sublevel caving
淺析無底柱分段崩落法提高礦石回采率
Research on the Pillar Extraction in Erxiashan Mining Area of Suhaitu Coal Mine
蘇海圖煤礦二下山采區(qū)煤柱回收方法研究
triple-entry room-and-pillar mining
三進路房柱式采礦法
It is a key for a high level pillar mining's success to prevent backfill from being destroyed.
充填體不產(chǎn)生大規(guī)模破壞是高階段礦柱成功回采的關(guān)鍵。
Spontaneous Combution and Firing Study on Air Return Workface of Steep Coal Seam with Pillar Mining Method in Shitun Coal Mine;
拾屯煤礦急傾斜煤層巷柱式回采面發(fā)火規(guī)律研究