Evaluation of Seismic Performance of Dual Flexural Frame with Eccentric Bracing, Horizontal Shear and Flexural Link in Consideration of the Effect of Soil-Structure Interaction under Near Field Record

Document Type : Original Article

Authors

1 Faculty Member, Department of Civil Engineering, Technical and Vocational University (TVU), Tehran, Iran.

2 PhD in Earthquake Engineering, Department of civil engineering, Babol Noshirvani University of Technology, Iran.

Abstract

Evaluating the seismic performance of structures is one of the interests and responsibilities of structural and earthquake engineers. The eccentric bracing system has always been one of the most important and widely used structural systems due to its high strength, stiffness and ductility. These structures are usually designed with horizontal shear and bending links. In this research, using nonlinear dynamic analysis, the seismic response and performance of these structures under near-field records with and without vertical components in addition to considering the effect of soil-structure interaction were investigated. Therefore, three types of frames of 4, 8 and 12 floors were designed and modeled non-linearly using the finite element method in Perform-3D software. Maximum displacement and displacement of roof residue, floor drift and base shear of these structures were selected and studied as engineering demand parameters. The results showed that the structure with horizontal shear link had much better responses than the frame with horizontal bending link. In addition, the effect of soil-structure interaction increased the roof displacement and reduced the base shear on the structure.

Keywords

Main Subjects

References

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Karafan Quarterly Scientific Journal
Volume 19, Issue 3 - Serial Number 59
Technical and Engineering
December 2022
Pages 477-500

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History

  • Receive Date: 16 February 2022
  • Revise Date: 17 July 2022
  • Accept Date: 20 August 2022

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