Characterizing natural and recycled granular materials for (sub)base layers of roads by cyclic triaxial testing

• Autores: D. C. Gregoire, B. Dethy, J. Detry, A. Gomes Correia
• Localización: Bearing capacity of roads, railways and airfields: proceedings of the 8th International Conference on the Bearing Capacity of Roads, Railways and Airfields, Champaign, Illinois, USA, June 29-July 2, 2009 / Erol Tutulumluer (dir.), Imad L. Al-Qadi (dir.), Vol. 1, 2009, ISBN 9780415804325, págs. 215-223
• Idioma: inglés
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• Resumen

  • The cyclic load triaxial test is a laboratory test which makes it possible to study the mechanical behaviour (resilient and permanent deformations) of unbound granular materials used in base and subbase layers of roads. This paper describes the equipment of the Belgian Road Research Centre and presents the first results obtained for a natural material commonly used in Belgium and two recycled materials (crushed concrete aggregate and steel slag). The influence of water content and the compaction method on resilient strains is analysed.