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Abstract Based on karst cave detection with taking a certain place of Xingtai as research object, the direct-current electrical sounding with strong anti-interference ability was used to detection work in this area by comparing advantages and disadvantages of three geophysical methods of time domain electromagnetic methods, high-density electrical method and direct-current electrical sounding. The practice showed that three-electrode electrical sounding method could detect karst cave development situation much better in detecting area of relatively flat terrain, good ground conditions along with side slope, which provided physical geography basis on karst cave management work in the future.
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