某电站地下厂房围岩质量综合分级

SYNTHETICAL QUALITY CLASSIFICATION OF THE SURROUNDING ROCK OF THE UNDERGROUND BUILDING IN A HYDROPOWER STATION

在大量现场调查、统计资料基础上 ,利用国际上通用的 RMR分类、Q系统分类及我国的水电围岩分类方案 ,对某电站地下厂房围岩进行了岩体质量分级。三种围岩分类结果具有良好的一致性 ,围岩质量较好。

Based on the abundant field investigation and statistical data,the rock mass quality classification of the surrounding rock of the underground building in a hydropower station is carried out according to Rock Mass Rating(RMR) and Q System which are very popular in the world and classification system in the Hydroelectric Standard of P.R.C..Same results are obtained from these three kinds of classification systems and indicate that the rock mass quality is rather good.