Water or Soil Pressure is a common load type while designing a Water Tank or a Retaining wall. It is easy to consider when you are modelling them using Staad Pro. By default, Staad Pro comes with Hydrostatic Loading and as well as Trapezoidal Loading Conditions. There is no Hydrostatic Loading in the Load Pattern of SAP2000 or ETABS. If you are wondering how to apply water pressure in sap2000, we will be telling you how to do it.