华电技术 ›› 2017, Vol. 39 ›› Issue (11): 13-15.

• 研究与开发 • 上一篇    下一篇

小纪汗煤矿11215综采工作面二次采动影响巷道超前支护方案研究

  

  1. 陕西华电榆横煤电有限责任公司,陕西榆林〓719000
  • 出版日期:2017-11-25 发布日期:2017-12-21

Xiaojihan Coal Mine 11215 fully mechanized working face secondary mining influence roadway advanced support scheme study

  1. Shanxi Huadian Yuheng Coal and Power Company Limited, Yulin 719000, China
  • Online:2017-11-25 Published:2017-12-21

摘要:

小纪汗煤矿11215工作面回风顺槽受二次采动影响,巷道出现不同程度的顶板下沉、底板鼓起、两帮变形情况,严重影响综采工作面的正常推进。通过分析二次采动影响巷道的矿压数据,结合巷道的变形特征,提出适合11215综采工作面回风顺槽巷道超前支护方案。

关键词:

Abstract:

Xiaojihan Coal Mine 11215 fully mechanized working face air return way was affected by the secondary mining. The roadway has different degrees of ceiling plate sank, floor plate plumped, two side wall deformation conditions, serious influence on the normal advance of fully mechanized working face. By analyzing mining pressure data, the advanced support scheme for 11215 fully mechanized working face air return way was indicated.

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