• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>2007采矿科学与安全技术国际学术会议 >Analysis of the Safety of Longwall Mining under Water Body——Case Study
【24h】

Analysis of the Safety of Longwall Mining under Water Body——Case Study

机译：水体下长壁开采安全性分析-案例研究

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Coal mining under water bodies needs to ensure the safety of the underground coal mine from flooding. On the other hand, the surface or ground water resources also need to be protected from damage. Based on field reconnaissance and data collection, the fractured zone in overburden strata and surface movement and deformation after longwall mining were predicted according to the specific mining and geologic conditions in Micun Coal Mine, China. Then the safety of longwall mining under the water body was analyzed and evaluated in this paper. The results show that there are very thick overburden strata between the top of the fractured zone and the bottom of the water body after undermining it. So the fractured zone in the overburden strata cannot reach the bottom of the water body. The effects of longwall mining on the dam were also analyzed based on the predicting results of surface movement and deformation. At last, the technically protective measures are put forward.
机译：水体下的煤矿开采需要确保地下煤矿免受洪水的安全。另一方面，还需要保护地表或地下水资源免受损害。在野外勘察和数据采集的基础上，根据中国米村煤矿的具体开采情况和地质条件，预测了长壁开采后覆岩地层的裂隙带和地表运动变形。然后对水体下长壁开采的安全性进行了分析和评价。结果表明，破坏后，裂缝带顶部与水体底部之间有很厚的覆盖层。因此，上覆岩层的断裂带无法到达水体底部。基于地表运动和变形的预测结果，还分析了长壁开采对大坝的影响。最后提出了技术保护措施。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号