隧道平行导坑水压爆破掘进

Engineering Blasting(2006)

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Abstract
通过一个爆破实例介绍了隧道平行导坑水压爆破掘进炮孔装药结构,以及该工艺与隧道平行导坑常规爆破效果的对比。对比结果显示,水压爆破较常规爆破法节省炸药35%;在不延长作业时间条件下,平均每循环进尺提高了0.35m;每延米节省成本170多元;洞内粉尘浓度降低了67%。本文以客观数据证明了水压爆破具有显著的节能环保作用,进一步说明推广此工艺的必要性和重要性。
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Key words
Charging structure,Water pressure blast,Tunnel excavation,Vibration monitoring,Parallel leading tunnel
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