Abstract
This study considers the influence of compactive energy on certain geotechnical properties of an amphibolite derived laterite soil with respect to the undisturbed soil. Properties such as void ratio, compression index, coefficient of permeability and cohesion showed improvement with increased compaction energy. Critical pressure and angle of internal friction were more or less constant while the maximum density showed improvement only at the energy of the modified Proctor. The usability of the soil at the various densities is also assesed.
Résumé
Cette étude considère l’influence de l’énergie de compactage sur certaines propriétés d’un sol latérivique dérivé d’amphibolites par rapport à un sol non remanié. Des propriétés telles que le pourcentage de vides, l’indice de compression, le coefficient de perméabilité et la cohésion montrent une amélioration avec l’augmentation de l’énergie de compactage. La pression critique et l’angle de fronttement interne sont plus ou moins constants alors que la densité sèche maximum montre une amélioration seulement à l’énergie du Proctor modifié. Les utilisations du sol à différentes densités sont aussi discutées.
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Ogunsanwo, O. Geotechnical properties of undisturbed and compacted amphibolite derived laterite soil. Bulletin of the International Association of Engineering Geology 42, 67–73 (1990). https://doi.org/10.1007/BF02592621
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DOI: https://doi.org/10.1007/BF02592621