Detection of Leakage Areas in an Earth Embankment from GPR Measurements and Permeability Logging

Figure 12

Possible seepage area detected with the 400 MHz GPR on the paved revetment, associated with the 20 m downstream leakage area: (a) profile P3 at 1.25 m high; (b) profile P2 at 0.75 m high.

(a)

(b)