Controlled Modulus Column Ground Improvement for an Above Ground Fuel Storage Tank Facility in Carseland, AB - A Case History
Behnam Fonouni, Jordan Hunt, Hubert Scache, Samuel Briet, Evelyn Porter
In the proceedings of: GeoNiagara 2021: 74th Canadian Geotechnical Conference; 14th joint with IAH-CNCABSTRACT: A new above ground fuel storage tank facility was proposed by Federated CO-OP at an undeveloped site located 6 km west of Carseland, AB, approximately 50 km southeast of Calgary. The tank farm facility included the construction of 16 above ground fuel storage tanks on extremely inter-bedded soils of various thicknesses consisting of low to medium plastic, stiff, mixed sandy and silty clay, overlying denser clay till. This case history describes the site soil conditions, the Controlled Modulus Column (CMC) technique to support the tanks, and the foundation design specific to CMC ground improvement below these medium to large tanks. Quality control during the CMC ground improvement work using Dynamic PDA Load Testing showed that the Controlled Modulus Columns exceeded design objectives. Hydraulic load testing further confirmed the exceptional settlement control capabilities of this technique.
RÉSUMÉ: Une nouvelle installation de stockage de carburant hors sol a été proposée par Federated CO-OP sur un site non développé situé à 6 km à l'ouest de Carseland, en Alberta, à environ 50 km au sud-est de Calgary. L'installation du parc de réservoirs comprenait la construction de 16 réservoirs de stockage de carburant hors sol sur des sols extrêmement stratifiés de diverses épaisseurs constitués de plastique faible à moyen, d'argile sableuse et limoneuse, recouvrant un till argileux plus dense. Cet article décrit les conditions de sol du site, la technique de la colonne à module contrôlé (CMC) pour soutenir les réservoirs et la conception de la fondation spécifique à l'amélioration du sol CMC sous ces réservoirs de moyenne à grande capacité. Le contrôle de la qualité au cours des travaux d'amélioration du sol du CMC à l'aide des tests de charge dynamique PDA a montré que les colonnes à module contrôlé dépassaient les objectifs de conception. Les tests de charge hydraulique ont confirmé les capacités exceptionnelles de contrôle du tassement de cette technique.
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Fonouni, Behnam, Hunt, Jordan, Scache, Hubert, Briet, Samuel, Porter, Evelyn (2021) Controlled Modulus Column Ground Improvement for an Above Ground Fuel Storage Tank Facility in Carseland, AB - A Case History in GEO2021. Ottawa, Ontario: Canadian Geotechnical Society.
@article{Fonouni_GEO2021_480,
author = Behnam Fonouni, Jordan Hunt, Hubert Scache, Samuel Briet, Evelyn Porter,
title = Controlled Modulus Column Ground Improvement for an Above Ground Fuel Storage Tank Facility in Carseland, AB - A Case History ,
year = 2021
}
title = Controlled Modulus Column Ground Improvement for an Above Ground Fuel Storage Tank Facility in Carseland, AB - A Case History ,
year = 2021
}