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Paper Title: Seismic response of RC irregular frame with soil structure interaction
Authors Name: Nirav M. Katarmal , Hemal J. Shah
Unique Id: IJSDR1604015
Published In: Volume 1 Issue 4, April-2016
Abstract: Seismic response of structure is extremely complex because of the non-linear behavior soil during earthquakes. Seismic design of structures is generally carried out assuming fixed base ignoring the flexibility of soil. The purpose of this study is to describe and investigate different approaches of considering soil flexibility in the soil structure interaction (SSI) with regard to the response in the super structure. In the present work, to illustrate the effects of soil-structure interaction on the seismic response of framed structures, irregular frames with 15 storey have been considered with base supported as fixed with and without considering the soil structure interaction. Buildings are modeled in SAP2000. Three types of soil i.e. hard, medium hard, and soft soil are used to SSI study. The soil is modeled as Spring model or Elastic continuum (FEM), and stiffness is calculated by using the gerorge Gazetas equation. The effect of SSI on various structural parameters i.e. natural time period, base shear, roof displacement, are studied and discussed. The main objective in using this earthquake was, to find out the effect on structure when hit by long duration and see how the response is modified, when soil effects are taken into the consideration.
Keywords: Dynamic analysis, Time History, Soil Structure Interaction, Irregular frames, SAP2000.
Cite Article: "Seismic response of RC irregular frame with soil structure interaction", International Journal of Science & Engineering Development Research (www.ijsdr.org), ISSN:2455-2631, Vol.1, Issue 4, page no.77 - 81, April-2016, Available :http://www.ijsdr.org/papers/IJSDR1604015.pdf
Downloads: 0001962
Publication Details: Published Paper ID: IJSDR1604015
Registration ID:160140
Published In: Volume 1 Issue 4, April-2016
DOI (Digital Object Identifier):
Page No: 77 - 81
Publisher: IJSDR | www.ijsdr.org
ISSN Number: 2455-2631

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