Abstract: The paper introduces the assessment items, basis, methods and standards for gravity dams stipulated in the Guide for safety assessment of hydropower dams in operation. Further, based on the experience ofperiodicalinspections, the main defects and treatment measures are pointed out.

Key words: gravity dam, periodical inspection, assessment, defect, treatment

摘要： 介绍了DL/T5313-2014《水电站大坝运行安全评价导则》中有关重力坝结构安全评价的内容、依据、方法和标准，重力坝在已往定检中的评价结果，发现的主要病症与治理措施。

关键词: 重力坝, 定检, 评价, 病症, 治理