This paper introduces the working principle of cathodeprotection in underground metallic pipe, expounds the essential of technique and constructed method .
介绍了埋地管线的阴极保护原理，阐述了埋地管道的阴极保护方法和牺牲阳极保护法选用及布点的技术要求。
2
From the experiment result of metal specimens buried in underground, discussing the influence of AC stray current on cathodeprotection by using galvanic anode method.
根据室外现场埋片试验结果，讨论了杂散电流对牺牲阳极阴极保护性能的影响。
3
The invention discloses a quick anode dismounting method for underwater cathodeprotection.