Abstract: The third grade shiplock in Wuqiangxi Hydropower Station is one of the largest shiplocks in China at present. Since it has put into operation, concrete structure of discharge section in its shiplock was badly damaged.In this paper the author has analyzed the destructive reasons and studied some repair methods, especially introduced mix proportion and properties of steel fiber silicic concrete in detail.

摘要： 五强溪水电厂三级船闸是目前国内最大的三级船闸之一，工程投运以来，船闸泄水段混凝土结构发生了严重的破坏。本文对泄水段破损的原因进行了认真分析，对修补的方法进行了一定的研究，特别是对钢纤维硅粉混凝土的性能及配合比的实验情况进行了详细介绍。