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《Yangtze River》 2018-18
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Application of integrated leakage detection technology in detection of concrete face rockfill dam

TIAN Jinzhang;XIANG Youguo;TAN Jiexiong;Changjiang Survey,Planning,Design and Research Co.,Ltd.;National Dam Safety Research Center;  
The construction of concrete face rockfill dam( CFRD) in China has had remarkable achievement in the past 30 years. However,various hidden diseases,such as dam leakage,endanger the safety of dams. The non-homogeneity material and multi-dimensional deformation of CFRD make the dam leaking in various forms,bringing along great challenge to the dam leakage detection. In a CFRD in Xinjiang,data analysis and ROV sonar scanning survey were used to determine the possible leakage area. Then divers detected the damaged area in detail by using underwater HD camera. Finally connectivity test was carried out to verify the previous judgement. This technology has been successfully applied in the leakage detection of CFRD,and the experiences could be referred by other leakage detection.
【Fund】: 国家重点研发计划项目(2016YFC0401604)
【CateGory Index】: TV641.43;TV698.1
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