北京地铁复八线工程防水技术

Technique of Waterproof in Constructing Beijing Fu Ba Metro Line

北京地铁复八线工程全长１２．７ｋｍ，在第四纪地层中修建，技术难度大，对防水要求标准高。本文根据近几年地铁复八线工程建设实践，阐述了防水重要性及标准、防水原则、防水方法等。

The engineering works of Beijing Fu Ba (Fu xing men Ba wang fen)Metro Line which has a total length of 12 7km proceed in the stratum of Fourth Period. The technical difficulty is great and the waterproof requirement has high level. Based on engineering practices of constructing the Fu Ba Metro Line, the paper expounds the importance of the waterproof and standards, the principles and the method, etc.