September 26, 2023, 1 pm ET
Cold weather regions in North America come with unique subsurface or ground conditions challenges from a geological history with glaciation combined with environmental forces, especially frost uplift, that impacts significantly the design considerations of these lightly loaded structures.
One ongoing myth is that the only safe way to resist these loads in this region is through the use of helical foundations; and related to that first belief is the blanket categorization of driven foundations as irresponsible and highly risky. However, in certain subsurface conditions, helical foundations may create more challenges during construction, which then the “safe” pile becomes risky and often, results in the inability of the installation to meet the design requirements.
In this webinar, we will review the basis for choosing helical piles, the impact of foundation pile shape (w-section, c-channel and others) on frost uplift resistance, and compare with the results we’ve seen from field testing in various regions.
Agenda
- Overview of Subsurface Conditions seen in various Cold Regions
- Overview of Helical Pile Foundation Basis
- Review of Driven Pile Foundations Recommendations
- Discussion of Results from Driven Pile Field Testing in the Prairies,
- Maritime Provinces in Canada, and the Caribbean
- Best Practices of Selecting Foundation Type
Speakers:
Arash Yazdani
Chief Operations Officer
Tom St. Onge
Director of Operations
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