Helical (Screw) Pile Capacity Calculator for Sand

This program uses CPT data to calculate the axial capacity of helical piles in sand. Helical piles are commonly known as screw piles in Australia.

This calculator implements the design method described in:

Bittar, E.J., Lehane, B.M., Blake, A., Richards, D., White, D., Mahdavi, S., & Cerfontaine, B. (2023). CPT-based design method for helical piles in sand. Canadian Geotechnical Journal, 61, 102-117. DOI: 10.1139/cgj-2022-0209