【摘要】 根据岩层物理力学性质、岩体结构和构造、岩体质量指标RQD、水文地质条件等因素 ,采用CSIR分类法、Q系统分类法 ,将新桥硫铁矿顶板岩层划分为三个安全等级 ,对矿山安全生产有重要指导作用 ,可为其它矿山提供借鉴更多还原

【Abstract】 Three levels roof rock masses are determined by both CSIR and Q classification methods according to their physical mechanical properties,structural features,rock quality data (RQD) and hydrogeologic conditions in Xinqiao Pyrite Mine,which is important to its stoping operation and can be used for reference by other related mines.更多还原