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Helical
Pile
Calculator
Calculate helical pile capacity based on helix size, torque, and soil conditions
Input Parameters
Helix Diameter (in)
Number of Helices
Installation Torque (ft-lb)
Torque Factor (Kt) (1/ft)
Calculate
Results
--
Ultimate Capacity
kips
--
Allowable Capacity
kips
--
Bearing per Helix
kips
Reference
Qu = Kt × T (ICC-ES AC358) Kt = 10 ft⁻¹ (default for 1.5" shaft) FS = 2.0 for allowable capacity