This is regarding ring wall foundation design in Staad Foundation Advanced Connect Edition V8i (Version-08.00.00.10). There are some mismatches in Inputs For Internal Pressure given as an input Vs as shown in output calculation report. Please see the snap shot below for more clarity. The internal pressure input given in Staad Foundation in shown as External pressure in Output file. It is not very Clear whether the input of internal pressure is considered in internal pressure design or External Pressure design.
