提高地下管道防腐层破损点定位精度

Improve Underground Pipeline Corrosion Protection Layer Damaged Point Positioning Accuracy

文章叙述了地下管道防腐层破损点检测的意义,分析了地下管道防腐层破损点上方地表电位分布的特点,定位方法及干扰排除技术,难点检测技术与标志技术,并就开挖验证方法进行了叙述。

The article describes the underground pipeline corrosion protection damaged point on the significance of detection, this paper analyzes the underground pipeline corrosion protection damaged point on the surface of the above potential distribution feature, location methods and interference exclude technology, difficulties and the sign technology detecting technology, and the method of excavation verifies narrative.