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Soil Stress Residuals as Indicators of Soil Compaction
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 011063, 2001 ASAE Annual Meeting. @2001
Authors: Reed Turner, Randy L. Raper
Keywords: Soil, Soil Compaction, Ground Pressure, Sensors, Measurement, Tires, Inflation Pressure, Traction, Contact Area
Data from soil ground pressure sensors show that residual stress, or the net stress remaining after a vehicle has passed over the sensor, is proportional to peak stress or peak compaction force. This suggests a simple way to measure and compare soil compaction between different vehicles or treatments. This paper reviews two methods of measuring peak and residual soil stress, comparing results from a simple method to results from a more rigorous method, and reports the magnitude of the measured residual stress, and the relationships between residual stress, vehicle ground pressure and soil compactibility.