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A screw pile (also called a helical pile or pier) is a foundation system. If we had to describe helical piles with one word, that word would be “VERSATILE”! There are few situations where they do not offer a foundation option that is fast, effective, economical, convenient and strong.
Helical plates are welded to a metal shaft, which is “screwed” into the ground using hydraulically-driven torque motors. By monitoring the amount of torque needed to rotate the shaft, it is possible to determine when the pile has encountered a degree of resistance necessary to support the required load.