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Volume 40 Issue 5
Oct.  2021
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LI Lujuan,JIA Long,YIN Renchao.Karst quantitative evaluation based on the characteristics of borehole radar reflection[J].Carsologica Sinica,2021,40(05):901-906. doi: 10.11932/karst20210515
Citation: LI Lujuan,JIA Long,YIN Renchao.Karst quantitative evaluation based on the characteristics of borehole radar reflection[J].Carsologica Sinica,2021,40(05):901-906. doi: 10.11932/karst20210515

Karst quantitative evaluation based on the characteristics of borehole radar reflection

doi: 10.11932/karst20210515
Funds:

 DD20190266

 DD20190022

 2020005

  • Received Date: 2021-03-30
  • Publish Date: 2021-10-25
  • Based on different electrical characteristics of the strata and the karst development situation in the surrounding strata of borehole, as well as the different strength attenuation of the radar reflected wave in different rock this study intends to build the relationship between the maximum radar detection range and the karst rate,and calculate the development degree of the karst strata by radar reflection imaging technology in the borehole. The study shows that the karst development data, ranging from 10 to 30 meters of the borehole radius, or even further, can be got by the radar reflection imaging technology. The statistics of karst rate got by drilling can be used to analyze the karst development degree at different depths. These statistics can provide detailed basic data for geological investigation and engineering construction. This study also illustrates the wide applicability of radar reflection imaging technology to the quantitative study on karst development of the boreholes without cores.

     

  • LI Lujuan,JIA Long,YIN Renchao.Karst quantitative evaluation based on the characteristics of borehole radar reflection[J].Carsologica Sinica,2021,40(05):901-906.
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