Abstract: The safety of hydraulic metal structures is crucial for flood periods and reservoir operation. Safety inspection and evaluation of hydraulic metal structure may help to reveal the problems immediately and ensure the safety and economic benefit of the hydropower station. In this paper, the author introduced the inspection range, content, method, results and safety evaluation for hydraulic metal structures of Ertan hydropower station, and put forward the suggestions to ensure the safety  operation of hydraulic metal structure.

Key words: Ertan hydropower station, metal structures, safety inspection, evaluation

摘要： 水工金属结构安全关系到水电站安全度汛和水库的正常运行调度。对水工金属结构进行安全检测和评估是及时发现问题和隐患、保障水电站运行安全和经济效益的重要手段。笔者介绍了二滩水电站水工金属结构安全检测范围选择、检测内容及方法、检测和计算成果、安全评估等内容，提出了保障水工金属结构安全运行的建议。

关键词: 二滩水电站, 金属结构, 安全检测, 评估