The first step to perform the bearing capacity analysis would be to obtain the bearing capacity
factors (Nc, Ng , and Nq) from Fig. 6.6 using the value of f′. An adjustment to the total unit weight
may be required depending on the location of the groundwater table (Eq. 6.7). Then Eq. 6.1 or 6.5
would be utilized (with c′ substituted for c) to obtain the ultimate bearing capacity, with a factor of
safety of 3 applied in order to calculate the allowable bearing pressure per Eq. 6.2.