矿山深孔爆破--qsf999的安全生产小屋

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矿山深孔爆破 | 2011-9-29 9:41:00

矿山深孔爆破

    深孔爆破的孔深一般为8m—15 m，孔径75mm—350mm，是露天矿山主要的爆破方法。露天深孔布置形式按孔排列方向分为垂直深孔和倾斜深孔两种。
    台阶开采时，相比之下倾斜孔比垂直孔应用更广泛，只是倾斜孔增加了炮孔的长度。露天深孔分为单排布置和多排布置，爆破参数包括炮孔的孔径、孔深、孔距、底盘抵抗线、炮孔邻近系数、炮孔充填长度及炸药单耗等。
    井下深孔爆破的深孔布置方式有平行深孔和扇形深孔两种。
    根据采矿方法的要求，深孔可布置成水平、垂直和倾斜。井下深孔爆破参数主要是孔径、最小抵抗线、空间距和单位炸药消耗量等。

By:qsf999 | 阅读全文 | 回复(15) | 引用通告 | 编辑

Re:在漫画中识别身边的违章 | 2016-10-23 15:48:21

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By:gkosw(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-21 20:12:02

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By:hgvyc(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-21 16:50:46

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Re:在漫画中识别身边的违章 | 2016-10-19 22:00:58

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By:rgkor(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-18 3:33:22

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By:prvzd(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-16 2:01:27

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Re:在漫画中识别身边的违章 | 2016-10-15 3:25:22

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Re:在漫画中识别身边的违章 | 2016-10-14 16:29:17

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By:rglnq(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-12 21:00:49

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By:rbrsw(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:在漫画中识别身边的违章 | 2016-10-12 6:56:37

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原创 | 2016-9-30 16:01:43

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原创 | 2016-9-28 21:18:24

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原创 | 2016-9-6 21:44:08

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