The Roller-Ground Dynamic Interaction in The Compaction Process Through Vibrations for Road Construction

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Abstract

The natural soil used in filling the embankment of the road communications is characterized by the following factors: humidity, porosity, toughness. For certain factor values that describe the soil state is distinguished a certain soil behavior under the influence of the external forces applied through static or dynamic mechanical means.

In this study are presented the numeric simulation results of the soil-compactor interaction based on the complex and nonlinear rheological model proposed by the author in the result of the elaborated doctorate thesis, that follows the real soil characteristics (elastic, dissipative and plastic) on those of the compaction equipment (with a single vibrating roll). The model was harmonised and granted in accordance with the results obtained from the processing of the experimental data. For the simulation model was used the specialized software package Matlab (Simulink, SimMechanics). The obtained results revealed the real behavior of the equipment and its action on the compacted soil.

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[3]. WHITE, D., THOMPSON, M.: „Relationships Between In Situ and Roller-Integrated Compaction Measurements for Granular Soils”, Journal of Geotechnical and Geoenvironmental Engineering, ASCE, Vol. 134, No. 12, pp. 1763-1770, 2008;

Romanian Journal of Transport Infrastructure

The Journal of Technical University of Civil Engineering Bucharest

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