A unique feature of the University of Kentucky soil bin enables deformation to be characterized by studying a cross-sectional soil profile grid pattern. Modular sections of the bin are laterally removed to expose the cross-section after passes of a pneumatic tire.

The measured displacements of the grid points were converted to values of volumetric strain and then compared to soil density as measured by a dual probe gamma-ray density gauge following tests at various soil conditions. Final soil bulk density determinations using the two methods were not statistically different..

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Published in Transactions of the ASAE, v. 28, issue 6, p. 1754-1758.

© 1985 American Society of Agricultural Engineers

The copyright holder has granted the permission for posting the article here.

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The work was funded in part by a grant from the University of Kentucky Institute for Mining and Minerals Research.

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This research was conducted in conjunction with a project of the Kentucky Agricultural Experiment Station and is published with the approval of the Director as paper no. 85-2-14.