关键词: 水电站, 门槽, 二期混凝土, 缺陷

Abstract: The frequent occurrence of second stage concrete defects at the gate slot of a hydropower station poses a serious threat to the safe operation of the project. Based on the second stage concrete defects at gate slot of Tankeng hydropower station, this study analyzes the causes of the defects at gate slot and its impact on the safe production of the hydropower station. As well, it puts forward the counter measures to prevent the second stage concrete defects at gate slot alone with the preliminary ideas of defect treatment.

Key words: hydropower station, gate slot, second stage concrete, defect