Research on Application of Waterproof Construction Technology in Underground Excavation Station of Metro

Taking the waterproofing project of Beijing Metro Line 17 as an example, this paper analyzes the waterproof construction technology of the main structure of the underground excavated station, construction joints and other special parts, and measures to strengthen the waterproof construction quality of the subway station, hoping to improve the waterproof construction level of the subway station. Extend its service life.