常用埋地管道检测技术Pearson法与PCM法适用性研究

摘要

分析了常用埋地管道外防腐层非开挖检测技术，阐述了非开挖检测技术在实践中使用的效果，通过案例分析Pearson法和PCM法的缺点和适用性。%The general no -dig coating detection technology of the underground pipeline was analyzed. The no-dig detection technology used in practice effect was introduced.The drawbacks and applicability of PCM and Pearson method were analyzed by cases.