Abstract: Dam decommissioning project includes stages such as planning, design and implementation. Combined with cases in USA, this paper introduces the key points in design of dam decommissioning projects, namely determination of the limits of structure removal, design data collection and special design requirements, for reference.

Key words: dam decommissioning, aging, removal, data collection

摘要： 大坝退役工程包括规划、设计和实施等阶段。结合美国多个大坝退役和拆除案例，介绍了大坝退役设计中的关键点，包括确定结构物拆除范围、设计数据的采集和特殊设计要求等，供参考。

关键词: 大坝退役, 老化, 拆除, 数据采集