新能托海水电站大坝、发电洞、排砂洞冻融混凝土修复处理

Freezing-thaw concrete treatment of dam, power tunnel and sediment releasing tunnel at Tuohai hydropower station

托海水电站大坝运行20多年,迎水面部分出现了严重冻融损坏。本文对新能托海水电站及时修补消除大坝及附属建筑物的缺陷,提高其安全性,延长使用寿命方面所做的工作进行了全面介绍。

The dam at Tuohai hydropower station has been in operation for more than 20 years, and the concrete damage by freezing -thaw at water face is serious. This paper introduced the measures in aspects such as disease elimination, safety enhancement and life prolongation of dam and hydraulic structures.