SHIDong-you,YE Jian-zhou,LIJing,et al.Engineering Application of Formed-in-Place Pipe Rehabilitation Technology for Urban Drainage Pipeline[J].China Water & Wastewater,2022,38(10):153-159.
城镇排水管道原位热塑成型修复技术的工程应用
- Title:
- Engineering Application of Formed-in-Place Pipe Rehabilitation Technology for Urban Drainage Pipeline
- 摘要:
- 原位热塑成型修复技术（FIPP）采用热塑性材质内衬管，可反复加热、韧性好、耐腐蚀性强，紧密贴合，造价低，施工风险低，是目前竞争力较强的一种管道整体非开挖修复技术。结合重庆市永川区某雨污排水管道清淤检测修复工程案例，详细介绍了FIPP技术原理、施工工艺流程、适用范围、技术特点、内衬管壁厚设计、管道缺陷预处理、施工过程质量控制及修复费用分析，以期为类似非开挖修复工程应用和造价分析提供参考。
- Abstract:
- The formed-in-place pipe (FIPP) rehabilitation technology utilizes thermoplastic polymer as liner. It can be softened repeatedly with hot vapor, and has good toughness, strong corrosion resistance, tight fitting, low cost and construction risk, thus it is a competitive trenchless repair technology nowadays. FIPP technology was implemented in a stormwater and sewer pipeline dredging, inspection and rehabilitation project in Yongchuan District of Chongqing. The technical principles, construction process, applicable scope, technical characteristics, liner thickness design, pipeline defect pretreatment, quality control and cost analysis were systematically introduced, so as to provide reference for application and cost analysis of similar trenchless rehabilitation work.
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