地表水治理措施--qsf999的安全生产小屋

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地表水治理措施 | 2011-9-24 18:50:00

地表水治理措施

    （1）合理确定井口位置。井口标高必须高于当地历史最高洪水位，或修筑坚实的高台，或在井口附近修筑可靠的排水沟和拦洪坝，防止地表水经井筒灌人井下。
    （2）填堵通道。为防雨雪水渗人井下，在矿区内采取填坑、补凹、整平地表或建不透水层等措施。
    （3）整治河流。①整铺河床。河流的某一段经过矿区，而河床渗透性强，可导致大量河水渗人井下，在漏失地段用黏土、料石或水泥修筑不透水的人工河床，以制止或减少河水渗人井下。②河流改道。如河流流人矿区附近，可选择合适地点修筑水坝，将原河道截断，用人工河道将河水引出矿区以外。
    （4）修筑排（截）水沟。山区降水后以地表水或潜水的形式流人矿区，地表有塌陷裂缝时，会使矿区涌水量大大增加。在这种情况下，可在井田外缘或漏水区的上方迎水流方向修筑排水沟，将水排至影响范围之外。

By:qsf999 | 阅读全文 | 回复(13) | 引用通告 | 编辑

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Re:在漫画中识别身边的违章 | 2017-2-20 15:30:19

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Re:在漫画中识别身边的违章 | 2017-2-20 0:17:57

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Re:在漫画中识别身边的违章 | 2016-10-19 17:45:59

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Re:在漫画中识别身边的违章 | 2016-10-10 20:38:48

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