CPT vs Unit Weight (correlation)

Written by Gouw Tjie Liong, Ir., M.Eng, ChFC, PhD. Posted in Technical Information

This chart is useful as a preliminary estimate of unit weight.


Robertson, P.K., and Cabal, K.L, 2010, Estimating Soil Unit Weight form CPT, 2nd Int. Sym. On Cone Penetration Testing,, Huntington Beach, CA, USA.


Be very careful in using correlation! and It might be very useful for a feasibility study of a design; Always do the proper soil test for a real design. It is our job to convince the owner to do a proper soil test.

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