龚嘴水电站10号冲沙底孔封水面的水下修复

Underwater repair for sealing surface of the scour outlet No.10 in Gongzui hydropower station

本文叙述了采用PBM-3聚合物混凝土,通过导管在龚嘴水电站10号冲沙底孔水下58m水深范围内,整体修补了一个封水面,使浮体闸门一次性封水成功。

This article introduces the experience on repairing sealing surface whole by duct casting PBM-3 polymer concrete in the scope under water 58m, which made floating gate sealing success only by one effort.