Abstract
This paper outlines the application of electrical property measurements for bulk characterization of soil. Electrical measurements have a number of distinct advantages over other microstructure-sensitive techniques as they are non-invasive, sample the microstructure without recourse to water removal or freezing, and measurements can be made on considerably larger samples. In the work presented, low-frequency (less than 100 kHz) conductivity measurements were made in preference to the high-frequency (greater than 1 MHz) dielectric response; low-frequency measurements are relatively easy to make whereas high-frequency measurements are much more difficult. Typical results are presented from a modified oedometer cell, with discussion focusing on how the data can be developed to characterize the soil-water electrolyte system.
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