华苑煤业10号煤层回采巷道围岩支护稳定性研究
李帅
（太原煤气化（集团）有限责任公司，山西 太原 030006）
摘要： 为了解决因非对称力造成的巷道围岩大变形失稳，对原设计方案进行了改进，通过数值模拟的方法验证改进
方案的可行性。结果表明，针对倾斜煤层，采用直墙半圆拱形巷道断面能够消除巷道顶板围岩中的应力集中现象，巷道
顶板围岩破坏和下沉变形较原方案分别降低了42.85%和67.16%。
关键词： 应力集中；数值模拟；围岩稳定
中图分类号： TD353；TD823.81     文献标识码： A     文章编号： 2095-0802-(2020)04-0027-02
Study on Surrounding Rock Support Stability of Mining Roadway in No.10 Coal Seam of
Huayuan Coal Industry Co., Ltd.
LI Shuai
(Taiyuan Coal Gasification (Group) Co., Ltd., Taiyuan 030006, Shanxi, China)
Abstract: In order to solve the large deformation and instability of surrounding rock caused by asymmetric force, this paper
improved the original design scheme, and verified the feasibility of the improved scheme by numerical simulation. The results
showed that for the inclined coal seam, the stress concentration in the surrounding rock of the roadway roof could be eliminated by
adopting the straight wall semi-circular arch tunnel section, and the destruction and subsidence deformation were reduced by
42.85% and 67.16% respectively compared with the original scheme.

Key words: stress concentration; numerical simulation; stability of surrounding rock