Comparison of Cast-In-Place Concrete Piles and Continuous Flight Auger Piles Founded In Oil Sand

Robin Tweedie, Renato Clementino, Nagula Suthaker

In the proceedings of: GeoMontréal 2013: 66th Canadian Geotechnical Conference; 11th joint with IAH-CNC

Session: Foundations V

ABSTRACT: A comparative load test program was conducted using the O-cell test method on companion cast-in-place concrete piles (CIP) and continuous flight auger (CFA) piles at three different test sites. The test piles ranged from 760 mm to 914 mm in diameter and from 15 to 20 m deep, extending from 5 to 12 m into oil sand. Good agreement was noted in the pile capacities and load-displacement curves for both pile types. The paper presents a summary of the test results and provides a comparison with previous load test results from concrete piles founded in oil sand.

RÉSUMÉ: -Cell), fut entrepris continue. 15 m a 20 m, ont été avancés de 5 m à 12 m dans du sable bitumineux. Une bonne concordance fut obtenue entre les graphiques de tassements-charges pour les deux types de pieux. Cet article a pour but de présenter les résultats des essais de chargement et de fournir une comparaison avec des essais de chargements antérieurs portés sur des pieux de béton forés conventionels fondés dans le sable bitumineux.

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