Effect of Soil-Structure Interaction in Seismic Analysis of Framed Structures using Ansys

  Aarlin K Mathew,  Sat Kumar Tomer,  Lovely K M

The interaction of a building, its foundation and the under lying soils may have important effects on the behavior of each of these components as well as on the overall system behavior. The soil- structure interaction effect considerably influence the design of multi- storey buildings subjected to lateral seismic load. An investigation of the effects of Soil Structure Interaction on the stresses and displacements in the structure and the soil of a model six-storied frame structure resting on isolated column footings and supported by deformable soil. The finite element modeling and analysis is carried out using ANSYS software under normal loads as well as under seismic loads. Various load combinations are considered as per IS-1893 (Part-1):2002. The frame and soil mass both are considered to behave in linear elastic manner. It is observed that the Soil-Structure Interaction effect significantly alters the axial forces and moments in the footings due to the differential settlement. Analyses are carried out in layered soil mass. Compare the differences in the settlement of footing in different load cases.

Keywords- Soil-Structure Interaction, ANSYS, Space Frame, Linear Interaction Analysis, Non-Interaction Analysis, Differential Settlement, Isolated Column Footings, Seismic Forces.

Unique Identification Number - IJEDR1503124
Page Number(s) - 1-9
Pubished in - Volume 3 | Issue 3 | September 2015
DOI (Digital Object Identifier) -   
Publisher - IJEDR (ISSN - 2321-9939)

  Aarlin K Mathew,  Sat Kumar Tomer,  Lovely K M,   "Effect of Soil-Structure Interaction in Seismic Analysis of Framed Structures using Ansys", International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.3, Issue 3, pp.1-9, September 2015, Available at :http://www.ijedr.org/papers/IJEDR1503124.pdf