2.2 Procedure of SSI in sap 2000
The Soil-Structure Interaction analysis under earthquake excitation may be carried out in SAP 2000 as follows:
1. Geometrical modelling: The soil-structure model can be generated using SAP 2000 software. The interface between
soil and structure is defined by a tied surface to surface contact and a finite boundary is defined around the truncated
domain where Soil and Structure defined as a Solid and Shell element respectively.