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Abstract
This study deals essentially with the development of models that describe the relations between the strength properties of soils (undrained shear strength obtained with a vane tester) on one hand, and the resilient properties (back-calculated modulus obtained with deflection tests) on the other hand, and the penetration index values obtained with the dynamic cone penetrometer. Laboratory tests were performed on five coarse-grained reconstituted soils. Also, field tests were performed on 10 fine-grained soils and on each of the four subgrade soils of the Laval University Experimental Test Road Site. The results obtained in the laboratory and in the field were compared and analysed in order to develop the relations between the strength and the resilience for different types of soils. Using a statistical analysis with three different sophistication levels, reliable correlations that include explanatory variables were developed.
Acknowledgements
The authors gratefully acknowledge the Quebec Ministry of Transportation for their financial and technical support for this project. In addition, the authors wish to acknowledge the research assistant who contributed to this research effort.
