Abstract: Online monitoring of dam safety is an important means to ensure dam safety. It′s beneficial for strengthening the analysis and evaluation of dam operation performance, and enhancing the risk clas ⁃ sification and control, which can provide intelligent decision support for dam safety management. This study summarizes the construction ideas, implementation paths, key links and technical points of the group-level online monitoring system for dam safety, and demonstrates the system application effective ⁃ ness, which can be used as a reference for other dam management groups in the industry.

Key words: dam safety, online monitoring system, automatic early warning systern

摘要： 大坝安全在线监控是保障大坝安全的重要手段，有利于加强大坝运行性态分析研判，强化大坝风险分级 管控，能够为大坝安全管理提供智能决策支持。笔者总结了集团级水电站大坝安全在线监控系统的建设思路、实 施路径、关键环节和技术要点，展示了系统应用成效，可供行业内其他集团参考。

关键词: 大坝安全, 在线监控系统, 自动预警体系