DA Yue-wu,SHEN Hai-jun,YUAN Jun,et al.Emergency Repair and Safeguard Measures of Leakage Points in Large Diameter Water Supply Jacking Pipe[J].China Water & Wastewater,2020,36(24 24):140-144.
Emergency Repair and Safeguard Measures of Leakage Points in Large Diameter Water Supply Jacking Pipe
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第36卷
Number:
24 24
Page:
140-144
Column:
Date of publication:
2020-12-17
- Keywords:
- water main pipe; leakage; relay well of jacking pipe; emergency repair
- Abstract:
- Leakage point was found in DN2 400 jacking pipe of water main pipe in W city. The leakage point is located under the urban expressway, with a buried depth of 10 m, without long time water cut-off and excavation conditions. In order to avoid other secondary safety problems caused by continuous pipeline leakage, the location and emergency repair work needs to be carried out immediately. The Sahara Ⅱ detection technology was applied in the real case for analysis and location, and the leakage emergency repair as well as safeguard measures could provide reference for others.
Last Update:
2020-12-17