基于 Q系统的山后金矿矿岩稳定性分级

摘要

所有岩土工程都在岩体中进行，岩体的稳定性受到岩体质量好坏的制约，进行岩土工程设计与施工要根据岩体的质量评价和其结构特征。山后金矿主矿体赋存于招平断裂带下盘，上盘断层泥极容易冒落，目前没有巷道穿过上盘断层泥；通过钻孔岩心调查与现场节理调查相结合的方式，分析钻孔、现场节理调查数据和节理产状，依据Q系统方法对山后金矿岩体稳定性进行了分级，并对采场的安全性进行了评价，为山后金矿采矿工程设计提供参考。%All geotechnical engineering activities are carried out in the rock mass and the stability of rock mass is restricted by the its quality,so the design and construction of geotechnical engineering should be implemented accord-ing to the quality evaluation of rock mass and its structure characteristics.Shanhou Gold Deposit occurs in the footwall of Zhao-Ping fault,and because the dirt in the hanging wall of the fault is extremely prone to fall,there is no tunnel through the hanging wall for now.Drill holes,field fissure investigation and shape of fissures are analyzed by means of combined drill core survey and field fissure survey,and according to the Q system,rock mass stability of Shanhou Gold Mine is classified and an evaluation for the stope safety is made,providing basis for the design of mining engineering for the gold mine.