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On Development of a New Seismic Base Isolation System

  • Sanjukta Chakraborty
  • Koushik Roy
  • Chetan Chinta Arun
  • Samit Ray Chaudhuri
Part of the Lecture Notes in Computer Science book series (LNCS, volume 7520)

Abstract

Various base isolation schemes have been implemented to isolate a structure from intense base excitations. In this paper, performance of a friction sliding bearing with nonlinear restoring mechanism is studied on a three-storey steel moment-resisting frame building under varying seismic hazard conditions. The performance of the proposed system is compared with that of the fixed-base and with only the friction sliding bearing. For this purpose, the effectiveness of the proposed isolation system is evaluated in terms of the residual displacement, peak inter-storey drift and the maximum base displacement. It is envisioned that a system as proposed here, if optimized for a target hazard situation, will result in a cost-effective solution.

Keywords

Non-linear spring Friction sliding bearing 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Sanjukta Chakraborty
    • 1
  • Koushik Roy
    • 1
  • Chetan Chinta Arun
    • 1
  • Samit Ray Chaudhuri
    • 1
  1. 1.Department of Civil EngineeringIndian Institute of Technology KanpurKanpurIndia

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