With the experience in RPM pipe research and preparation of the specification for construction and acceptance of RPM pipeworks, the author hereby talks about the technical performance, computation of the circular deformation and measures to control such deformation. 作者根据参加RPM管的研究课题及编制RPM管的施工及验收规程的体会,简述了该管的技术性能、管道环向变形的计算方法、控制环向变形应采取的技术措施等。