When survey of the stability of river embankment, it is often that analyze it in several boring findings. It is concerned in the stability that was analyzed when embankment materials is different from the boring results, and there was the partially weak points of embankment materials. Frequency domain electromagnetic method (FDEM) can survey resistivity and is advantageous in that can survey quickly, continuously and high accuracy in the long section. This study examined applicability of FDEM and the principle of the FDEM and the result of survey in river embankment.

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