THE USE OF THE GEOPIER® INTERMEDIATE FOUNDATION® SYSTEM FOR SUPPORT OF SEVEN WIND TURBINE FOUNDATIONS IN EASTERN ONTARIO

Serge Bourque, Mark Tigchelaar, Neil Isenegger, Jason Brown, Mike Pockoski

In the proceedings of: GeoQuébec 2015: 68th Canadian Geotechnical Conference & 7th Canadian Permafrost Conference

Session: Foundations V / Fondations V

ABSTRACT: The use of wind energy in Ontario has been steadily increasing, and multiple farms of a few to hundreds of wind turbines are being constructed at any given time in Ontario. The need for high stiffness foundations due to large overturning moments, and therefore, large edge pressure acting on the base of the foundation can prove challenging when soft or compressible soils at the turbine site do not provide adequate bearing capacity. The use of Geopier® Intermediate Foundations® has been used to provide increased bearing capacity and foundation stiffness for hundreds of wind turbine foundations around the world.

RÉSUMÉ: L'utilisation de l'énergie éolienne en Ontario est en croissance constante, et il arrive que plusieurs parcs éoliens soient en cours de construction en même temps. Les moments de renversement élevés et donc des grandes pressions agissant sur la base des fondations peuvent poser des problèmes pour les fondations dans les sols mous ou compressibles qui ne fournissent pas la capacité portante suffisante. L'utilisation de Geopier® Intermediate Foundations® a été utilisée pour augmenter la capacité portant et la rigidité de la fondation pour des centaines de fondations éoliennes.

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