Abstract
AbstractField trials using the crust test were used to determine the influence of five parameters on the saturated and unsaturated hydraulic conductivity values measured on two soils of different structure. These factors were (i) the diameter, (ii) the height of the soil pedestal used in the test, (iii) the degree of soil wetness at which k was measured, (iv) soil structure, and (v) operator effects. Diameter and height were found to strongly affect measurement when they had low values. These two design factors were dependent on the wetness and structure of the soil. Operator differences were small.
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