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Latest progress in non-destructive testing of dike cut-off wall quality

  • 2013-09-22
  • 36KB
  • Points it Requires : 1

In view of the urgent need for non-destructive testing of the quality of the Yangtze River dike anti-seepage wall, and in the case that new geophysical detection technology is difficult to be introduced for a while, a test study on the effectiveness of various existing geophysical methods in the quality testing of dike anti-seepage walls was carried out. On this basis, a detection scheme based on the CSA-MIT method and supplemented by the multi-wave seismic imaging method or the vertical acoustic reflection method was proposed. The drilling verification results show that this scheme has the advantages of intuitive results, high accuracy, strong applicability and high reliability for non-destructive testing of dike anti-seepage wall quality, and can reflect the changes of smaller abnormal bodies. It has broad application prospects in the non-destructive testing of dike anti-seepage wall quality.

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