龟石水库灌区仁岩渡槽渗漏加固处理

Anti-seepage reinforcement and treatment for Renyan flume in irrigation area of Guishi reservoir

贺州市龟石水库灌区仁岩渡槽经过30多年的运行,槽身渗漏造成钢筋锈蚀、槽壳外侧钢筋保护层混凝土脱落,伸缩缝防渗材料老化失效。介绍了防渗漏处理过程中,浆液及其配合比,对槽身伸缩缝等不同部位采取的各种施工工艺。

After 30 years of operation, the Renyan flume in the irrigation area of Guishi reservoir of Hezhou city had seen steel bar rust due to flume seepage, fall of bar_protective concrete, aging and abatement of anti_seepage material at expansion joint. A detailed introduction is made on the anti_seepage treatment that had been conducted for this flume, including the slurry and mix proportion, different construction technique for different positions such as flume body, flume shell, expansion joint water stop.