摘要
本文从分析无底柱分段崩落法采矿进路的受力特点出发，通过现场的调查与测试，找出了进路失稳的原因，提出了支护形式及其支护方案的选择。
Abstract Starting from the analysis of the stress characteristics of the sub-level caving mining drifts and through the on-site inspection and testing,the paper has found out the causes for drift unstability and suggested the selection of the support form and support option.
出处
《金属矿山》
CAS
北大核心
1994年第12期22-25,共4页
Metal Mine
