Abstract: Due to kinds of reasons, surface defects are frequently found in mass concrete. Thus, rehabilitation is of great importance for safety operation and the service age of the dam. This paper introduces the experience of rehabilitation construction of the defects on concrete surface of the cushion pool of a hydropower station. Further, the treatment measures for surface defects on concrete hydraulic structures are presented, for reference.

Key words: hydraulic structures, concrete defect, rehabilitation

摘要： 水电站大坝混凝土体积大、外露面广，由于各种原因，混凝土表面产生缺陷的几率高。做好混凝土表面缺陷修补对于水电站大坝安全运行和使用寿命至关重要。通过对某水电站大坝下游水垫塘混凝土表面缺陷进行修补，浅谈水工建筑物混凝土表面缺陷的处理措施。

关键词: 水工建筑物, 混凝土缺陷, 修补处理