AbstractA computer program for prediction of the influence of traffic on compaction of agricultural soils is presented. Stress distribution in soil under rubber tyres with different inflation pressures and carrying different loads is calculated by use of a simple equation, accounting for uneven stress distribution over the tyre-soil contact area. The resulting soil compression and wheel sinkage depend on a number of factors including: the initial soil density, soil water content, time since the previous soil disturbance, the number of passes; and on possible horizontal soil displacement, resulting in critical state conditions. The short duration of wheel loads results in incomplete soil compression, as compared with the usual long-duration laboratory compression tests. An empirical function to account for this lag in the compaction process is included in the model.
Prediction of soil compaction under pneumatic tyres
Journal of Terramechanics ; 26 , 2 ; 107-119
1989-01-01
13 pages
Article (Journal)
Electronic Resource
English
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