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Deformability characteristics of brazilian laterites

De Medina, Jacques / Motta, Laura M. G. / Santos, João D. G. Dos

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.

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Deformability characteristics of brazilian laterites

De Medina, Jacques / Motta, Laura M. G. / Santos, João D. G. Dos

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.

Deformability characteristics of brazilian laterites

De Medina, Jacques / Motta, Laura M. G. / Santos, João D. G. Dos

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.

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Title:

Deformability characteristics of brazilian laterites

Contributors:

De Medina, Jacques (author) / Motta, Laura M. G. (author) / Santos, João D. G. Dos (author)

Published in:

Geotechnical & Geological Engineering ; 24

Publication date:

2006

ISSN:

DOI:

https://doi.org/10.1007/s10706-005-8507-z

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

permanent deformation , resilient modulus , laterite gravel , tropical road pavement

Classification:

BKL: 38.58 Geomechanik / 57.00 Bergbau: Allgemeines / 56.20 Ingenieurgeologie, Bodenmechanik
Local classification TIB: 275/3750

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