On the expected changes in the resilient modulus of a compacted soil and their implications for pavement design

Paul Garnica Anguas

In the proceedings of: GEO2011: 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical Engineering

Session: Transportation Geotechnics

ABSTRACT: In this work, the author presents some experimental results to illustrate the expected change on resilient modulus of a compacted soil, due to evolution of their water content and saturation degree, by the drying and wetting processes being part of the interaction of the pavement structure with environment. A discussion is presented on the selection of a resilient modulus value for pavement design.

RESUMEN: En este trabajo se presentan una serie de resultados experimentales que ilustran los cambios que el módulo de resiliencia de un suelo compactado puede experimentar, cuando sufre cambios en sus contenidos de agua y grado de saturación, por efecto de los procesos de secado y humedecimiento a los que está sujeto el pavimento de una carretera en su interacción con el medio ambiente. Se discute la problemática asociada a la selección del módulo de resiliencia adecuado para fines de diseño de pavimentos.

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