Helical Piles
Jitendra Singh Yadav
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Helical Piles

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A helical piling is a circular, hollow, steel pipe section (shaft) with one or more tapered steel plates (helixes) welded to the shaft. The plates are shaped as a helix with a carefully controlled pitch, which allows the pile to be inserted into the ground with minimal soil disruption. The central shaft is used to transmit torque during installation and to transfer axial loads to the helical plates upon foundation loading. The central shaft also provides a major component of the resistance to lateral loading. The pile is directed toward the soil and mechanically rotated with constant downward ...