管道防腐补口用热缩带固定片应力开裂探讨

Discussion on Stress Crack of Hot Shrinkalbe Belt Stator Used for Coating Repair of Pipeline

通过现场观察和分析,探讨了管道防腐补口施工中经常出现的热缩带固定片边缘开裂问题,对固定片开裂的形式及参数进行了较为详细的介绍,对管道防腐补口施工有一定的借鉴意义。

By means of observation and analysis in site,this article discusses edge cracking of hot shrink belt stator which frequently occurred in field construction of pipeline coating repair,and also introduce in detail the form and parameters of stator cracking,and provide reference to coating repair of pipeline.