Fig. 7

The variation of ZCR angle variation with frequency for three soil models at p = 2.6%, \({\varepsilon }_{rg}\) = 10, σo = 0.001 S/m.
The variation of ZCR angle variation with frequency for three soil models at p = 2.6%, \({\varepsilon }_{rg}\) = 10, σo = 0.001 S/m.