关键词: 水泥浆液, 水灰比, 扬压力折减系数, 试验性施工, 水下定位, 水下灌浆

Abstract: Aimed at the leakage at the pier of Zhaoshandu reservoir dam, stages of treatment were carried out, namely the treatment of construction joint, expansion joint and cutoff wall. By application of measures such as rehabilitation, water sealing and underwater grouting, the treatment was completed and good effect was achieved.

Key words: cement slurry, water-cement ratio, uplift reduction coefficient, experiment construction, underwater positioning, underwater grouting