Undrained Shear Strength
The undrained shear strength option allows you to calculate the undrained shear strength according to the Shansep method. This is a post-processing feature only.
The basic equation employed is:
where:
The A, S, and m values are all user inputs. OCR and 
are calculated in Settle3.
For more information see the Undrained Shear Strength in Settle3 document.