鄂北水资源配置工程PCCP管道阴极保护方案选择与设计

Selection and Design of the Cathodic Protection Scheme for PCCP Pipes in the North Hubei Water Resources Deployment Project

介绍了长距离、大口径PCCP输水管实施阴极保护的必要性,结合鄂北水资源配置工程自身的特点,提出了阴极保护方案,进行了比选,确定选用棒状锌合金阳极作为牺牲阳极对PCCP管道实施阴极保护方案,可供同类输水工程参考。

In the North Hubei water transfer project, long distance and large diameter prestressed concrete pipes with steel casing （ PCCP） are adopted.The necessity of cathodic protection for the PCCP pipes is introduced.Then, accord-ing to the specific characteristics of the project, different cathodic protection schemes are compared and a clavate zinc-al-loy galvanic anode scheme is chosen.It could be a useful reference to similar water diversion projects.