| 全面留矿法采场顶板支护和落矿爆破工艺的研究 |
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| 引用本文： | 沈元伟,何益民.全面留矿法采场顶板支护和落矿爆破工艺的研究[J].黄金,1994,15(1):19-24,27. |
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| 作者姓名： | 沈元伟 何益民 |
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| 作者单位： | 冶金工业部马鞍山矿山研究院，浙江省遂昌金矿 |
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| 摘 要： | 本文介绍的接杆锚杆护顶技术和上向眼大孔距多排微差爆破落矿技术，解决了逐昌金矿全面留矿法采矿工艺中存在的采场顶盘围在面积冒落和采场落矿爆破效果差、效率低这两个问题。
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| 关 键 词： | 留矿采矿法 顶板支护 控制爆矿落矿 |
Study of roof support and ore blasting in the stope where the breasting-shrinkage method is employed |
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| Shen Yuanwei.Study of roof support and ore blasting in the stope where the breasting-shrinkage method is employed[J].Gold,1994,15(1):19-24,27. |
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| Authors: | Shen Yuanwei |
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| Abstract: | Technology of roof support with connected bolt and the employment of multirow of upward and broad spaced holes for slight time-differenceblasting are introduced in this paper,through which the problems of roof andcountry rock fall in big way and the poor efficiency and effectivsness of oreblasting in the stope of Sui-Chang Gold Mine are solved in the application ofbreasting-shrinkage method. |
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| Keywords: | breasting-shrinkage method roof support controlled ore blasting |
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