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Use of aggregates for road fills in the mangrove regions of Brazil

Utilisation de granulats en remblais dans les regions a mangrove du Bresil

  • International Symposium on Aggregates
  • Theme IV Aggregates for Pavements
  • Published:
Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur Aims and scope Submit manuscript

Abstract

The paper describes an experiment performed on the use of natural aggregates, on a large scale, as a new alternative for highway fills in mangrove regions, where the subsoil is basically formed by soft and sensitive marine clays.

The use of such aggregates has advantageously substituted the common processes used in those regions, that is the use of conventional compacted earth-fill on the ground surface or sand fills, performed in excavated trenches and then also used as subgrade reinforcement.

Résumé

Cet article présente un essai d'utilisation de granulats tout venant, en grande quantité, dans la construction de remblais routiers dans des régions de mangrove, dont le sous-sol est constitué d'argiles marines non consolidées.

Ces granulats présentent des avantages techniques et économiques sur les procédés plus communs tels que les remblais conventionnels de surface et l'emploi de sables en tranchées (en ce cas les tranchées remplies de sable fonctionnent aussi comme renfort de la chaussée).

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Angelieri, C.M., Michael, W.C. Use of aggregates for road fills in the mangrove regions of Brazil. Bulletin of the International Association of Engineering Geology 30, 47–50 (1984). https://doi.org/10.1007/BF02594276

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  • DOI: https://doi.org/10.1007/BF02594276

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