本文着重讨论了临涣矿区新生界松散层中第四含水层(以下简称四含)及其下基岩风化带的水文地质条件.

• Based on the discussion of hydrogeological condition of the fouth aquifer of Cenozoic Erath-em and the weathered zone of bedrock in Linhuan mining area, the cause of shaft wall damage is analysed.