工程爆破

1999, (01) 3-5

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露天矿大块的产出与对策
THE FORM AND SOLUTION OF BOULDER IN OPEN-PIT

张强
Zhang Qiang(Beijing General Research institute of Mining & Metallurgy, Beijing 100044)

摘要(Abstract):

从台阶面、炮孔填塞、后排孔爆破、软硬岩分界、爆破参数不当、爆破器材拒爆和难爆矿岩等几方面详细分析了大块产出的原因,并提出了解决方法和对策。对露天矿爆破及改善爆破效果有一定的参考价值。
The paper analyses in detail the form reasons of boulder from the ledge ofbench, the stemming, blasting of last hole, the face between soft and hard rock mass, the poor blasting parameter, bad blasting detonation and the difficulty fragmentizing rock mass. And the solutions in boulder are proposed Which have good references to improving blasting effeCt for open mine.

关键词(KeyWords): 露天矿爆破;大块
Blasting in open-pit; Boulder

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 张强
Zhang Qiang(Beijing General Research institute of Mining & Metallurgy, Beijing 100044)

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