Paper Contents
Abstract
During seismic activity, the response of structures is influenced by Soil Structure Interaction (SSI) which is the process where the response of soil particles to earthquake ground motion affects the motion of structure, and the response of structure affects the motion of soil mass.In design offices the base of multi-storey buildings is taken as fixed and analysed for earthquake response using provisions of IS 1893-2016 with the aid of response spectrum given for medium soil in foundation. But the type of soil present in and around the foundation structure also participates in the seismic response and the assumption of fixed base becomes conservative. Soil structure interaction usually carried out for medium soil.The RC building considered to analyse SSI is G+10 Storey with an elevation of 30 m and with the plan shape of 40m X 30m. The study has used the finite element tools STAAD for modelling and analysis.The effect of SSI on seismic response including storey drift, storey displacement, base shear, natural time period, bending moment, Shear Force variations in structural elements are evaluated. Results obtained using SSI are compared to those corresponding to fixed base support.
Copyright
Copyright © 2025 Abhik Chandra. This is an open access article distributed under the Creative Commons Attribution License.
