Application of Cathodic Protection to Water Supply Pipelines in Tianjin Water Diversion Project from Erwangzhuang Reservoir to Jinbin Water Plant

This paper introduces the application of cathodic protection to large diameter prestressed concrete cylider pipe (PCCP) pipelines which are used in water supplies from Erwangzhuang reservoir to Jinbin Water Plant in Tianjin water diversion project. Several problems in constructions and testing are discussed.