煤炭工程 ›› 2018, Vol. 50 ›› Issue (9): 88-90.doi: 10.11799/ce201809024

• 研究探讨 • 上一篇    下一篇

大采高综采工作面片帮机理及控制技术研究

张凌云   

  1. 山西能源学院
  • 收稿日期:2017-12-18 修回日期:2018-03-07 出版日期:2018-09-20 发布日期:2018-12-18
  • 通讯作者: 张凌云 E-mail:zhanglingyun9520@163.com

Principle and Control Technology of Coal Wall Spalling of Super Length Working Face Zhang Ling-yun

zhang lingyun   

  • Received:2017-12-18 Revised:2018-03-07 Online:2018-09-20 Published:2018-12-18
  • Contact: zhang lingyun E-mail:zhanglingyun9520@163.com

摘要: 针对三道沟煤矿85201大采高工作面片帮严重的问题,结合工作面实际条件,通过理论分析了煤壁片帮发生的力学机理,通过数值模拟研究了不同采高、支护强度、推进速度对工作面煤壁片帮的影响,研究结果表明,采高越小、支护强度越大、推进速度越快,工作面煤壁越稳定。最后,依据三道沟85201工作面的实际情况,提出了煤壁片帮控制措施,有效的保证了矿井的安全生产。

关键词: 大采高, 综采工作面, 煤壁片帮, 支护强度

Abstract: Abstract: In this paper, three gap 85201 large mining height coal mine as the background, through the theoretical analysis, numerical simulation method, the mechanism of large mining height are broken coal wall slope is analyzed, and the mining height are broken, the strength of the supporting, advancing speed for the impact of large mining height are broken coal wall for numerical simulation research, and puts forward the corresponding countermeasures according to the results of the study to further increase the coal wall stability.

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