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综放工作面沿空留巷控制技术研究
发布人:网站管理员 发布时间:2024/2/8 点击次数:7次
  

综放工作面沿空留巷控制技术研究
贺小勇
(山西中钢煤业有限公司,山西 中阳 033400)
摘要: 综放工作面沿空留巷是保证煤矿高效开采的重要途径之一,可以控制沿空巷道的变形。分析了综放工作面沿
空巷道大变形的原因,介绍了充填沿空留巷技术,指出其关键在于控制合适的充填体宽度,结合山西省A 矿具体情况,
采用数值模拟方法分析了充填体宽度的影响规律。研究发现,对于A 矿310 综放工作面,沿空留巷充填体宽度应该控制
在2.4 m 左右。
关键词: 综放工作面;沿空留巷;围岩变形;围岩控制
中图分类号: TD263.1      文献标志码: A       文章编号: 2095-0802-(2023)12-0115-04
Control Technology for Retaining Roadway along Goaf in Fully Mechanized Coal
Caving Face
HE Xiaoyong
(Shanxi Zhonggang Coal Industry Co., Ltd., Zhongyang 033400, Shanxi, China)
Abstract: One of the important ways to ensure efficient coal mining is to retain roadway along goaf in fully mechanized coal
caving face, and it can control the deformation of the roadway along goaf. This paper analyzed the reasons for the large
deformation of the roadway along goaf in fully mechanized coal caving face, and introduced the filling and retaining technology
along goaf, and pointed that the key was to control the appropriate width of the filling body. Based on the specific situation of A
Mine in Shanxi Province, the numerical simulation method was used to analyze the influence law of the filling body width. It was
found that the width of filling body should be controlled around 2.4 m for 310 fully mechanized caving face in A Mine.

Key words: fully mechanized caving face; retaining roadway along goaf; surrounding rock deformation; surrounding rock control