特高土石坝超长距离变形监测技术研究  

Study on ultra-long distance deformation monitoring technology of extra-high earth-rock dam

作　　者：汤洪洁 李俊 TANG Hongjie;LI Jun(Water Resources and Hydropower Planning and Design General Institute,Ministry of Water Resources,Beijing 100120,China;Powerchina Northwest Engineering Corporation Limited,Xi an 710000,China)

机构地区：[1]水利部水利水电规划设计总院,北京100120 [2]中国电建集团西北勘测设计研究院有限公司,陕西西安710000

出　　处：《水利水电快报》2023年第2期66-72,共7页Express Water Resources & Hydropower Information

摘　　要：为研究适用于特高土石坝坝体内部的超长距离变形监测技术手段,分析了现有200 m级高混凝土面板堆石坝变形监测技术存在的问题,研究了水管式沉降仪、杆式位移计、管道机器人、柔性测斜仪等内部变形监测仪器的改进发展方向与应用实践。结果表明:所研究的监测技术可以适应特高土石坝超长距离变形监测需求。研究成果为250 m级至300 m级特高混凝土面板堆石坝的安全监测研究和改进方向提供技术参考。In order to study the ultra-long distance deformation monitoring technical means that suitable for the interior of extra-high earth rockfill dam,the existing problems in the deformation monitoring technology for 200 m grade high concrete face rockfill dam are analyzed,and the improvement methods and application of internal deformation monitoring instruments such as water pipe subsidence meter,rod displacement meter,pipeline robot and flexible inclinometer are studied.The results show that the aboved monitoring technologies meet the requirements for ultra-long distance deformation monitoring of extra-high rockfill dam.The research results provide a technical reference for the safety monitoring research and improvement of extra-high rockfill dams with 250 m grade to 300 m grade.

关 键 词：特高土石坝 超长距离 变形监测 水管式沉降仪 杆式位移计 管道机器人 柔性测斜仪 

分 类 号：TV698.1[水利工程—水利水电工程]