ISSN 1004-4140
CN 11-3017/P
Volume 24 Issue 3
Jun.  2015
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WANG Hong, NIU Zhao-wei, ZHANG Guo-dong, LI Zhen-yu. The Experimental Study of SNMR in the Detecting of the Dam Safety[J]. CT Theory and Applications, 2015, 24(3): 367-376. DOI: 10.15953/j.1004-4140.2015.24.03.05
Citation: WANG Hong, NIU Zhao-wei, ZHANG Guo-dong, LI Zhen-yu. The Experimental Study of SNMR in the Detecting of the Dam Safety[J]. CT Theory and Applications, 2015, 24(3): 367-376. DOI: 10.15953/j.1004-4140.2015.24.03.05
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The Experimental Study of SNMR in the Detecting of the Dam Safety

  • 1. Nanjing Hydraulic Research Institute, Nanjing 210029, China;

  • 2. Dam Safety Management Center of the Ministry of Water Resources, Nanjing 210029, China;

  • 3. Institute of Geophysics and Geomatics, China University of Geosciences(Wuhan), Wuhan 430074, China;

  • 4. No.2 Geophysical Exploration Party, Shanxi Bureau of Geology and Mineral Resources, Xi'an 710016, China

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  • Received Date: February 26, 2015
  • Available Online: December 08, 2022
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    • Abstract
  • Surface Nuclear Magnetic Resonance(SNMR) is the unique and direct geophysical exploration technology for the groundwater information exploration. Recently, this nondestructive detection technique was applied to test for the earth-rockfill dam safety detecting of seepage. Due to the detecting signal of Nuclear Magnetic Resonance(NMR) coming from the hydrogen's proton of groundwater, it can be ensured that NMR response only relates to groundwater information. Therefore, the SNMR is the unique and direct geophysical exploration technology for the groundwater information exploration. Geophysicists taking advantage of SNMR exploring groundwater directly, the saturated face attempts to be detected, and the seepage of some dykes and dams could be identified. And a convenient, efficient and reusable approach is provided for diagnosing seepage path of dykes and dams especially the small dilapidated reservoir dams and embankment where accidentsfrequently happened. With NUMISPOLY multi-channel Magnetic Resonance Sounding tested for detecting the safety of a certain dam body, the saturated face of a certain dam body is acquired, and the seepage of the dam isassessed for hidden trouble. The results show that the SNMR can provide a new, effective and reliable technology for the seepage hidden trouble detection of dams.
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