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高填方引调水工程渗漏连续监测方法研究
 田苡菲1,尚海龙1,杨璐菲2,朱新民2
(1.北京江河中基工程咨询有限公司,北京 100073;2.中国水利水电科学研究院,北京 100038)
收稿日期: 修回日期: 接受日期:
Study on Continuous Monitoring Method of High Fill Leakage in Water Diversion Project
Received: Revised: Accepted:

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人民黄河
  2024,Vol. 46(6): 157
  水文泥沙
高填方引调水工程渗漏连续监测方法研究
 田苡菲1,尚海龙1,杨璐菲2,朱新民2
(1.北京江河中基工程咨询有限公司,北京 100073;2.中国水利水电科学研究院,北京 100038))
doi:
Study on Continuous Monitoring Method of High Fill Leakage in Water Diversion Project
 TIAN Yifei1, SHANG Hailong1, YANG Lufei2, ZHU Xinmin2
(1.Beijing Jianghe Zhongji Engineering Consulting Co., Ltd., Beijing 100073, China; 2.China Institute of Water Resources and Hydropower Research, Beijing 100038, China)
全文: PDF (0)
摘要: 针对高填方引调水工程提出适于工程结构破坏预警的方法。通过建立室内试验模型在强透水层砂砾石层与弱透水层黏土层之间增设不透水层,分层埋设加热电缆和分布式光纤得到不同工况下渗透破坏的监测数据,对比分析增设不透水层以后的渗透破坏试验结果、现象及渗透路径的变化,确定渗漏破坏与光纤监测数据之间的关联。采用分布式光纤可以测量得到堤基土体的温度场,根据温度的差异,可以判断得到堤基可能发生管涌且已经发生管涌的位置;不同程度的渗漏破坏,对应不同的温度场,渗流流量越大,温度场的差异越明显。
关键词:
Abstract: In this study, a method suitable for early engineering structure damage warning was proposed for high fill water diversion project. Through the establishment of laboratory test model, an impervious layer was added between the strong permeable layer sand and gravel layer and the weak permeable layer clay layer, and the monitoring data results of infiltration failure under different working conditions were obtained by burying heating cables and distributed optical cables in layers. The test results, phenomena and changes of infiltration path after the addition of impervious layer were compared and analyzed, and determined the association between leakage damage and optical fiber monitoring data. The distributed optical fiber can be used to measure the temperature field distribution of the embankment foundation soil. According to the difference of temperature field distribution, the location where piping may occur and has occurred in the embankment foundation can be determined. Different degrees of leakage damage correspond to different temperature fields, and the larger the seepage flow, the more obvious the difference in temperature fields.
Key words: high fill; diverting water; seepage failure; distributed optical fiber; temperature field
收稿日期:
基金资助: 国家重点研发计划项目(2018YFC0406903);中国水利水电科学研究院科研专项(SS0145B122017)
作者简介: 田苡菲(1989—),男,吉林吉林人,工程师,主要从事水利工程规划设计研究工作