中国钼业2026，Vol.50Issue(4)：46-52,7.DOI:10.13384/j.cnki.cmi.1006-2602.2026.04.006
江西某铜矿大断面巷道变形破坏特征及支护控制技术研究
Deformation and failure characteristics and support control technology of large-section chambers in a copper mine in Jiangxi Province
左小华 1刘志华 1叶宝杰 1张琦 1方福平 1张爽 2谢凌琛2
作者信息
- 1. 江西铜业股份有限公司永平铜矿,江西上饶 334000
- 2. 长沙迪迈科技股份有限公司,湖南长沙 410000
- 折叠
摘要
Abstract
Aiming at the problem of surrounding rock deformation and failure in large-section chambers,taking the large-section cham-ber of a copper mine in Jiangxi Province as the research object,a comprehensive research method combining theoretical analysis,nu-merical simulation and on-site industrial tests was adopted to study the deformation and failure law of the surrounding rock in large-sec-tion chambers,and a reasonable support optimization scheme was proposed.The results show that the failure mode of the large-section chamber presents asymmetry,which is"butterfly-like".The maximum depth of the plastic zone of the roof slab is 7 m,and the maxi-mum failure depth on both sides is 2 m.Combined with theoretical calculations,the support parameters of the large-section chamber are obtained.Through the monitoring of surface displacement in large-section chambers,it was found that the optimized support scheme ef-fectively maintained the stability of the surrounding rock of the roadway and achieved good support results.关键词
大断面巷道/数值模拟/塑性破坏/围岩控制/支护参数Key words
large-section chamber/numerical simulation/plastic failure/surrounding rock control/support parameters分类
矿业与冶金引用本文复制引用
左小华,刘志华,叶宝杰,张琦,方福平,张爽,谢凌琛..江西某铜矿大断面巷道变形破坏特征及支护控制技术研究[J].中国钼业,2026,50(4):46-52,7.
