煤炭与化工2025，Vol.48Issue(11)：8-13,6.DOI:10.19286/j.cnki.cci.2025.11.002
大断面软岩巷道稳定性分析与支护参数优化
Stability analysis and support parameter optimization for the large section soft rock roadway
邱玉铭 1杨杰2
作者信息
- 1. 山西潞安集团左权阜生煤业有限公司,山西晋中 032600
- 2. 太原科技大学安全与应急管理工程学院,山西太原 030024
- 折叠
摘要
Abstract
In order to solve the problem of difficult support of the large section soft rock open-off cut in No.1208 Face of Fusheng Mine,the geological occurrence conditions of the roadway were comprehensively analyzed.The stability characteristics of the surrounding rock of No.1208 Face were systematically studied by using geomechanical analysis and numerical simulation methods,and a reasonable support design scheme and support parameters were proposed.The simulation results showed that the stability of the surrounding rock of No.1208 working face open-off cut was between unstable and extremely unstable.Under unsupported conditions,the maximum subsidence of the roof was 725mm,the maximum floor heave was 156mm,and the two sides moved closer by 322mm.After optimizing the support conditions,the stress conditions of the surrounding rock were improved.The maximum subsidence of the roof was 25mm,the maximum floor heave was 13mm,and the two sides moved closer by 32mm.The on-site monitoring showed that the displacement of the top and bottom plates was 220mm,and the displacement of the two sides was 473mm.The surrounding rock had been effectively controlled.关键词
大断面/软岩/围岩稳定性/巷道支护/数值模拟/支护参数优化Key words
large section/soft rock/surrounding rock stability/roadway support/numerical simulation/support parameter optimization分类
矿业与冶金引用本文复制引用
邱玉铭,杨杰..大断面软岩巷道稳定性分析与支护参数优化[J].煤炭与化工,2025,48(11):8-13,6.
