煤矿排土场滑坡防治措施--章仁根的blog

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煤矿排土场滑坡防治措施 | 2012-3-24 7:06:00

露天煤矿排土场滑坡防治措施.doc

By:章仁根 | 阅读全文 | 回复(14) | 引用通告 | 编辑

标签：露天煤矿排土场滑坡防治措施

Re:煤矿排土场滑坡防治措施 | 2012-3-24 7:07:19

露天矿开采工艺分为四个作业环节：即穿孔作业、爆破作业、铲装运输作业及排土作业四个环节。排土作业是露天矿开采工艺的最后一个环节，但排土作业的安全问题在露天矿开采过程中也是十分重要的。开采设计中，采用了分区开采、内部排土方案。在不同分区或分区不同部位，内排工作线沿岩层倾向或走向推进。露天开采至一定时期后，分区间将出现二次剥离边坡。二次剥离边坡倾角大，位于倾斜基底上，稳定条件差。而且，露天煤矿的排弃岩石较软，易风化；内排土场排量高大，又有二次剥离边坡。对于此类排土场的稳定性，国内缺乏经验。所以，露天矿排土工程安全主要考虑如下几个方面：

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原创 | 2016-9-6 20:23:24

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原创 | 2016-9-28 20:01:07

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原创 | 2016-9-30 14:41:03

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Re:在漫画中识别身边的违章 | 2016-10-15 12:45:15

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Re:在漫画中识别身边的违章 | 2016-10-17 23:03:54

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Re:在漫画中识别身边的违章 | 2016-10-20 17:30:38

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Re:在漫画中识别身边的违章 | 2016-10-22 3:14:22

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Re:在漫画中识别身边的违章 | 2016-10-23 14:42:34

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Re:在漫画中识别身边的违章 | 2017-2-17 22:53:50

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Re:在漫画中识别身边的违章 | 2017-2-18 0:04:45

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Re:在漫画中识别身边的违章 | 2017-2-20 18:15:15

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