Experimental Investigations and Numerical Simulations of Vibratory Compaction of Weakly Cohesive Soils
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Abstract
The compaction of weakly cohesive soils presents particularities in terms of improving the geotechnical properties under the loads transmitted into the terrain. In this case, the evaluation of the compaction process requires the development of a roller-terrain interaction model whose constitutive parameters are directly correlated with information available from laboratory and in-situ experimental tests. A simulation model is implemented in Matlab on the basis of the mathematical equation of a Kelvin-Voigt lumped vibratory system. The simulation results are presented and compared to the experimental investigations results obtained for a road structure modernization project (Romania, DN 2, km 39+200, Movilița site).
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