石泉电站运行多年 ,坝基帷幕存在不同程度的破坏 ,观测显示其帷幕后扬压力较高 ,需进行修补。经生产性灌浆试验 ,采用化学灌浆复合水泥灌浆 ,取得明显效果 ,经济上比较合理 ,为日后类似情况的修补工作积累了可借鉴的经验 Shiquan Power Station has been in operation for many years. There are varying degrees of damage to dam curtains. Observation shows that the pressure behind the curtain is high and needs to be repaired. The production of grouting test, the use of chemical grouting cement grouting, and achieved significant results, the more reasonable economy, for similar situations in the future repair work has accumulated experience can be used for reference