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A simplified method for estimating soil compaction
Authors:MF O'Sullivan  JK Henshall  JW Dickson
Institution:

Environmental Division, SAC, Bush Estate, Penicuik Midlothian, EH26 0PH UK

Abstract:We describe a simplified model that allows users to explore some of the main aspects of soil compaction. It is intended for use by non-experts, such as students, and is written as an easy-to-use spreadsheet. It estimates soil bulk density under the centre-line of a wheel track from readily available tyre details. The model uses an analytical method to estimate the propagation of stress in the soil. It contains compactibility data for contrasting soils and it accounts for both rebound and recompression realistically. We present examples that show the potential of the model in selecting tyres and wheel systems to minimise compaction.
Keywords:Traffic  Model  Bulk density  Contact area  Education
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