Abstract

Saturated hydraulic conductivity or the coefficient of permeability (κ) of a residual soil prone to landslides was determined for a study area in Fiji. The techniques used were not new but the approach and the resulting κ-values may be useful for other studies (e.g. landslides). Inverse auger-hole tests are used to estimate κ-values. Tests conducted in sandy silty soils indicate values in the order of 10-6 ms-1. No significant difference was found between calculated values at the surface and at 3 m depth. Infiltration tests showed saturated infiltration rates of 10-5 ms-1.

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