电流衰减法在半沙漠环境中三层聚丙烯防腐层检测中的应用  

Application of Current Attenuation Inspection Method for 3PP Pipeline Coating in Semi-desert

作　　者：肖勇[1] 何仁洋[1] 

机构地区：[1]中国特种设备检测研究中心管道部,北京100013

出　　处：《管道技术与设备》2006年第5期40-41,共2页Pipeline Technique and Equipment

摘　　要：在土壤电阻率高的半沙漠环境下,采用质量比较好的三层聚丙烯防腐层作为管道防腐材料。介绍了如何采用电流衰减法在此类环境中进行三层聚丙烯防腐层缺陷非开挖应用检测,技术实施难度比较大,检测数据比较珍贵。在整个技术应用过程中取得了不错的效果。Presents a method of current attenuation, which is used for underground pipeline inspection , and discusses how put it into application for 3PP pipeline coating in semi-desert with the characteristics of high soil resistance. This application is difficult, and the inspection data are very important. A good result is achieved in the use of the method.

关 键 词：电流衰减法 3PP 防腐层 检测 

分 类 号：TM154.2[电气工程—电工理论与新技术]