盾构隧洞内输水管道渗漏监测系统开发及应用  

Development and Practical Application of a Leakage Monitoring System for Water Pipeline in Shield Tunnel

作　　者：陈一靓 何伟 何杰逊 张路蔚 CHEN Yi-jing;HE Wei;HE Jie-xun;ZHANG Lu-wei(Zhejiang Design Institute of Water Conservancy and Dydro‑electric Power Co.Ltd.,Hangzhou 310002,China;The 715 Research Institute of CSSC,Hangzhou 310023,China)

机构地区：[1]浙江省水利水电勘测设计院有限责任公司,浙江杭州310002 [2]中国船舶集团有限公司第七一五研究所,浙江杭州310023

出　　处：《中国给水排水》2024年第22期84-89,共6页China Water & Wastewater

基　　金：浙江省水利厅科技项目(RC1905、RC2231)。

摘　　要：地下管道在长距离输水工程中应用广泛,输水管道的渗漏安全监控及预警已成为行业研究的重点。针对这一重大行业需求,以嘉兴市域外配水工程为依托,引入分布式光纤传感技术和准分布式水声侦听技术,搭建了实时在线渗漏监测系统。应用结果表明,采用这两种监测技术可以精准定位30 s内渗漏水量>20 L的渗漏点,定位误差在10 m之内。Underground pipeline has been extensively utilized for long-distance water transmission,and the safety monitoring and early warning of water transmission pipeline leakage has been concerned.Based on the extraterritorial water distribution project in Jiaxing,a real-time online leakage monitoring system is built by introducing distributed optical fiber sensing and quasi-distributed underwater acoustic detection methods.The application results demonstrate that these two monitoring techniques can accurately located leakage points with a volume exceeding 20 L within 30 seconds,and the positioning error is no more than 10 m.

关 键 词：长距离输水管道 渗漏监测 分布式光纤传感技术 准分布式水声侦听技术 盾构隧洞 

分 类 号：TU991[建筑科学—市政工程]