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Deformability characteristics of brazilian laterites |
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| Authors: | Jacques De Medina Laura M. G. Motta João D. G. Dos Santos |
| Affiliation: | (1) Civil Engineering, Institute Alberto Luiz Coimbra of Graduate Studies and Research in Engineering, COPPE, Federal University of Rio de Janeiro, CP 68506, Rio de Janeiro, RJ, 21.945-970, Brazil;(2) Civil Engineering, Geotechnics Laboratory, COPPE, Federal University of Rio de Janeiro, RJ, Brazil;(3) Civil Engineering, Federal University of Mato Grosso, Cuiabá, MT, Brazil |
| Abstract: | This paper summarizes the resilient and permanent deformation characteristics of laterite gravels, determined by cyclic loading in triaxial tests of compacted specimens. A study of laterite pavements was carried out on eight paved road sections in the state of Mato Grosso. Also reported is the influence of fine sand admixture, specimen size and soaking in two laterite samples from Roraima and Rondônia in the North of Brazil. The experimental relationships of resilient moduli against applied stresses are interpreted empirically for models what may be incorporated in a structural analysis of full depth of laterite pavement. |
| Keywords: | laterite gravel permanent deformation resilient modulus tropical road pavement |
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