矿山开采常见顶板事故--qsf999的安全生产小屋

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矿山开采常见顶板事故 | 2011-8-6 10:27:00

矿山开采常见顶板事故

    回采工作面常见顶板事故是冒顶事故。按一次冒落的顶板范围及伤亡人数多少，一般可分为局部冒顶和大面积切顶事故共六大类：
    （1）顶板事故；
    （2)压垮型冒顶；
    （3）复合顶板推垮型冒顶；
    （4）金属网下推垮型冒顶；
    （5）漏垮型冒顶；
    （6）冲击推垮型（砸垮型）冒顶。

By:qsf999 | 阅读全文 | 回复(12) | 引用通告 | 编辑

Re:在漫画中识别身边的违章 | 2016-10-22 18:53:15

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By:ycgko(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 2:12:38

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Re:在漫画中识别身边的违章 | 2016-10-18 4:21:50

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Re:在漫画中识别身边的违章 | 2016-10-18 1:23:44

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By:njbyb(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 0:58:13

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Re:在漫画中识别身边的违章 | 2016-10-10 14:03:25

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原创 | 2016-9-30 16:05:10

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原创 | 2016-9-28 21:22:01

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原创 | 2016-9-6 21:47:27

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By:原创(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

Re:矿山开采常见顶板事故 | 2011-8-10 14:11:01

By:蓝天白云(游客) | 个人主页 | 引用 | 返回 | 删除 | 回复

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