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Improvement of soft soils with stone pillars built using dynamic replacement - A case history

Marc Lauzon

In the proceedings of: GEO2010 Calgary: 63rd Canadian Geotechnical Conference & 6th Canadian Permafrost Conference

Session: T2-A

ABSTRACT: This paper describes the ground improvement works completed for the construction of 6 vegetable oil tanks that had to be built on loose fill materials underlain by a layer of soft organic clay. To ensure the stability and the proper behavior of the structures, a ground reinforcement system composed of mix of large stone columns, also called stone pillars, built using the dynamic replacement ground improvement technique and dynamic compaction, was designed and realized on a site near Trois-Rivières, QC.

RÉSUMÉ: Cet article traite de la construction de 6 réservoirs d'huile végétale devant être construits sur des sols de remblai déversés dans l'eau et reposant sur une couche d'argile organique de consistance molle. Afin d'assurer la stabilité et le bon comprotement des fondations des réservoirs, un sytème de renforcement de sols au moyen d'une combinaison de piliers de pierre, aussi appelés plots ballastés, construits à l'aide de la méthode de remplacement dynamique, et de compactage dynamique a été conçu et réalisé pour un terrain situé à proximité de Trois-Rivières, QC. 1 INTRODUCTION

Please include this code when submitting a data update: GEO2010_114

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Cite this article:
Marc Lauzon (2010) Improvement of soft soils with stone pillars built using dynamic replacement - A case history in GEO2010. Ottawa, Ontario: Canadian Geotechnical Society.

@article{GEO2010_049, author = Marc Lauzon,
title = Improvement of soft soils with stone pillars built using dynamic replacement - A case history,
year = 2010
}