无底柱浅孔留矿采矿法60%。
Short-hole shrinkage method without sill pillar occupies 60%.
根据铧厂沟金矿矿体的开采技术条件,选用了浅孔留矿采矿法回采。
According to the technical mining condition in Hua Changgou Gold Mine, the short hole shrinkage mining was chosen.
叙述了堡子湾金矿多年来应用浅孔留矿采矿法的生产实践以及对采切工程的改进。
The paper introduced shallow hole shrinkage stoping method that has been used in Baoziwan Gold Mine for many years.
详述了宝丰山铅锌矿的矿床开采技术条件,介绍了浅孔留矿法在应用中存在的问题。
The technical mining conditions of mineral deposit of Baofengshan Lead-Zinc Mine are stated in detail, some problems in application of shorthole shrinkage stoping introduced.
大冶铁矿露天采场挂帮矿是该矿山露天转地下项目的重要工程,采用浅孔留矿法进行开采。
The hanging wall ore of the open-pit is one of important projects in transition from open pit to underground in Daye iron mine, and the shallow hole shrinkage mining method is adopted in the project.
对极破碎薄矿体的开采,采用了将常规的留矿法中分选废石改为分选富矿石留贫矿石的采矿方法。
In mining the extremely fractured thin ore body, the separation of waste rock in the conventional shrinkage stoping was replaced by the separation of the rich ore and retaining the lean ore.
浅孔留矿法对急倾斜薄矿脉的矿体开采是一种有效的采矿方法,具有高效低耗与工艺简单等优点。
Short-hole shrinkage mining is an effective method for mining steep-thin veins, and it has advantages of high-efficiency and low-waste and simple technology.
平度市金矿利用现有的条件,因地制宜采用“三无”即无底、间、顶矿柱浅扎留矿法,收到了好效果。
Based on the existing conditions, Pindu Municipal Gold Mine preferred short-hole shrinkage stoping without sill, intermediate and crown pillar to other mining methods and obtained excellent result.
留矿采矿法是我国使用最早、应用范围很广的采矿方法之一,是一种适应性强、灵活性大的采矿方法。
Shrinkage mining method is China's earliest use and widely applied methods of mining, is a strong adaptability and extreme flexibility mining method.
对于急倾斜极薄矿脉的开采国内外最常用的采矿方法是浅孔留矿法,实践表明,该法存在人工劳动强度大、矿石贫化率高等缺点。
Through an exploratory survey of residual deposit in the sourthern zone of a copper ore mine, inclined thin veins with difficult occurrence and complicated mining conditions were discovered.
本文探讨了浅孔留矿祛新型变形方案:留矿全面法、静态留矿法、削壁留矿法,以及这些方法的矿岩开采条件,采场主动支护,矿柱回收等。
The paper discusses the new options of short-hole shrinkage: all-over mining, static shrinkage, precipice shrinkage, rock mining conditions, active supporting and ore pillar recovery.
研究表明,综放沿空留巷受采场矿压影响时间和程度随留巷煤柱宽度的增加表现出明显滞后现象以及位移和压力增长的不同步现象。
The study indicates that with the increase of the coal pillar width the peak mining stress delays its appearance and the increase of the displacement and stress are not synchronous.
地质和地球化学研究结果认为,铝土矿的成矿物质来源于下志留统韩家店群的水云母泥、页岩。
The geological and geochemical study results indicate that the metallogenetic materials came from the hydromica mudstones and shales of the Hanjiadian Group of Lower Silurian System.
地质和地球化学研究结果认为,铝土矿的成矿物质来源于下志留统韩家店群的水云母泥、页岩。
The geological and geochemical study results indicate that the metallogenetic materials came from the hydromica mudstones and shales of the Hanjiadian Group of Lower Silurian System.
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