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- Keywords Open stope mining method Disposal of mined-out areas New disposals; 空場(chǎng)采礦法;采空區處理;新型處理方法;
- A rough study on structural parameters for open stope mining method in Zijinshan Copper Mine, Fujian Province 福建紫金山銅礦空場(chǎng)采礦方法結構參數的初步探討
- open stope mining 空場(chǎng)采掘,空場(chǎng)回采法
- open stope mining method 空場(chǎng)法
- This paper introduced the applocation of the open stope method of blast transport with artificial pillars in the mining of inclined and extra-narrow gold vein, and made an evaluation of that method. 本文論述人工柱爆力運搬空場(chǎng)采礦法在傾斜極薄金礦脈的應用，并對該法進(jìn)行評價(jià)。
- Abstract: The cause for blasting toes in open stope of Tiegukeng mine was analyzed, the corresponding modification measures were proposed and the blasting effect of the stope were improved. 文摘:對鐵古坑礦露天采場(chǎng)爆破產(chǎn)生根底的原因進(jìn)行了分析研究,提出了相應的改進(jìn)措施,使采場(chǎng)爆破效果得到了改善。
- Application and Development of Filled Stope Mining Method in Underground Mine of BAIYIN Nonferrous Metals Co. 白銀公司井下礦山充填采礦方法的應用。
- backfill mining method of open stope in one time 空場(chǎng)嗣后一次充填采礦法
- Therefore,different mining methods including sublevel caving,sublevel open stoping with subsequent filling are tried to solve these problems. 采礦方法從充填法改為分段崩落法、階段崩落法及分段空場(chǎng)嗣后充填法，使采礦方法不斷改進(jìn)和完善，提高了礦山生產(chǎn)能力和礦石回收率。
- HU Ji-ping.A case study of modern underground mining methods (IV):sublevel open stoping with draw points on footwall [J].Foreign Metal Mining Magazine,1990(9):40-43. [4]胡際平.;現代地下礦山采礦方法典型實(shí)例 (八)--下盤(pán)漏斗分段空場(chǎng)采礦法[J]
- In open stopes the ground above the stope will support its own weight.So the stope is shaped like a series of rooms divided by walls or supported by pillars of ore. 空場(chǎng)回采工作面利用采場(chǎng)上方的巖層支撐自身的重量，所以采場(chǎng)被切割成一系列的由礦壁分隔或用礦柱支撐的峒室。
- sub-level open stope succeed by fill 分段空場(chǎng)嗣后充填法
- Narrow sublevel open stope method 窄分段分采空場(chǎng)法
- Datuanshan XI #2 orebody at shizishan copper mine is a deep large size orebody,mined by the sub level open stoping method. 獅子山銅礦大團山XI%232礦體系深部厚大礦體，采用分段空場(chǎng)法開(kāi)采。
- The experimental study of sublevel open stoping with tail filling and pre controlling of roof was introduced. 介紹了河東金礦預控頂分段空場(chǎng)尾砂充填采礦法試驗研究。
- The test for the wide span open stoping with subsequent fill in a high stress environment below the opencast pit was made in Deep Copper Mine operated by Baiyin Nonferrous Metals Co. 白銀深部銅礦在露天坑下部高應力環(huán)境下試驗了大跨度空場(chǎng)嗣后充填采礦法。
- The Practise of Blast Technique of Sublevel Drilling and Stope Mining 分段鑿巖階段礦房法爆破工藝的實(shí)踐
- Elimination methods of blasting toes in open stope of Tiegukeng mine 鐵古坑礦露天采場(chǎng)爆破根底的消除方法
- Pea pods burst open when overripe. 豌豆過(guò)熟就會(huì )爆裂。
- Open tender for purchasing power transformer. 公開(kāi)招標購買(mǎi)電力運輸設備。
