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| SELECTION OF SCREW PILE |
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| Helical Pier Systems screw pile shaft sizes range
from 2-7/8" to 36" in diameter with varying wall thicknesses. The table
below lists the most common and readily available pipe shaft sizes.
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 Smaller diameter shafts are mainly used for compression and tension loads where lateral loads are minimal.
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| Larger diameter shafts are used when
the screw piling is subjected to large compressive loads and/or lateral
loads and/or moments of overturn.
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| The criteria for the appropriate shaft size selection include, but are not limited to:
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Helical
Pier Systems and the HPS Design are trademarks of Helical Pier Systems Ltd.