华电技术 ›› 2017, Vol. 39 ›› Issue (11): 52-53.

• 技术交流 • 上一篇    下一篇

巨厚煤层巷道沿底掘进工作面过构造支护技术

  

  1. 1.内蒙古蒙泰不连沟煤业有限责任公司,内蒙古鄂尔多斯〓010303; 2.华电煤业集团有限公司,北京〓100035
  • 出版日期:2017-11-25 发布日期:2017-12-21

Super high seam roadway bottom driving working surface through geological structure support technology

  1. 1.Inner Mongolia Buliangou Coal Industry Company Limited, Erdos 010303, China; 2.Huadian Coal Industry Group Company Limited, Beijing 100035, China
  • Online:2017-11-25 Published:2017-12-21

摘要:

不连沟煤矿浅埋深巨厚煤层且层理发育,遇到构造时顶板及两帮破碎严重,围岩难以控制。通过采用W型钢带改变围岩表面受力分布,缩小锚索间距,提高围岩支护刚度,有效控制了围岩,顺利通过构造区。

关键词:

Abstract:

Due to super high seam located at shallow mining depth and bedding development, Buliangou Coal Mine’s ceiling plate and side wall cracked seriously. Surrounding rock is hard to control. After applied Wshape steel trip to change surrounding rock surface stress distribution, and shorten anchor cable interval, support rigidity was increased. Tectonic region was successfully passed.

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