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根据近年来的设计资料,论述了钢质套管对阴极保护系统的影响及其产生原因,并对目前普遍采用的套管内安装牺牲阳极的做法的局限性进行了分析,就取消套管穿越措施的可行性和套管穿越段腐蚀控制工程的设计要点进行了探讨。
According to the design data in recent years, the influence of the steel casing on the cathodic protection system and its causes are discussed, and the limitations of the commonly used method of installing sacrificial anode in the casing are analyzed. The feasibility of casing design and the design of casing crossing section corrosion control project are discussed.