混凝土排水管道的柔性ＲＡ带接口试验秦晓春（珠海环卫处）潘大林（广东工业大学）曲祥瑞（深圳长菁环保公司）近几年来，国内外对管道接口工艺和接口材料进行了很多研究，但大多数集中于橡胶圈柔性口的改进，如日本的唇形胶圈、澳大利亚罗克拉公司的椭圆形胶圈、美国罗森... Flexible RA band interface test for concrete drainage pipes Qin Xiaochun (Zhuhai Sanitation Department) Pan Dalin (Guangdong University of Technology) Qu Xiangrui (Shenzhen Changjing Environmental Protection Company) In recent years, a lot of research has been conducted on pipe interface technology and interface materials at home and abroad, but Most of the improvements focused on the rubber ring’s flexible ports, such as Japan’s lip aprons, Australia’s Roach’s oval rubber ring, the United States Rosen ...