ZHOU Yang-jun,JIANG Shi-lan,XIE Ming,et al.Application of Trenchless Repair Technology in Urban Drainage Pipeline Maintenance[J].China Water & Wastewater,2020,36(20):58-62.
非开挖修复技术在城市排水管道维护中的应用
- Title:
- Application of Trenchless Repair Technology in Urban Drainage Pipeline Maintenance
- 摘要:
- 对排水管道修复过程中常用的整体修复及局部修复等9种类型的工艺进行了综述，分析了各类工艺的适用条件，并对非开挖修复过程中的临时排水及注浆等辅助措施进行了介绍。总结了非开挖修复过程中遇到的管道弯曲、变径及暗井等特殊情况，并给出了解决方法及建议。最后结合南方某排水管道非开挖修复实际工程案例，介绍了非开挖修复工艺在城市排水管道中的具体应用情况。
- Abstract:
- Nine types of technologies commonly used in the repair of drainage pipeline, such as integral repair and localized repair, are summarized. The applicable conditions of various technologies are analyzed, and the auxiliary measures such as temporary drainage and grouting in the process of trenchless repair are introduced. The special cases of pipe bending, diameter changing and underground well encountered in the process of trenchless repair are summarized, also solutions and suggestion are given. Finally, based on a practical case of trenchless repair of a drainage pipeline in South China, the application of trenchless repair technology in urban drainage pipeline is introduced.
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