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(Automatic translation)

Evaluation of different predictive models resilient modulus of soils and granular materials

Silvia ANGELONE
Fernando MARTÍNEZ
Marina Cauhapé CASAUX
Guillermo Ballestrini

ABSTRACT
The Resilient Modulus of subgrade materials is one of the most important input data for Empirical Methods - Mechanistic Flexible Pavement Design. This property is measured in laboratory by repeated load triaxial tests. However, given the complex behavior of such materials dependent voltage applied state, its density and moisture, the characterization of them requires numerous tests to assess the influence of these factors.

This paper analyzes different prediction models Resilient Modulus and the evaluation of them comparing estimated values ​​and those experimentally obtained to be used as inputs in pavement design methods.

Keywords: Resilient modulus, Soil, Subgrade, Concourse, triaxial test, repeated charges, prediction model, Flexible pavement.

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