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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 106
PROCEEDINGS OF THE TWELFTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY
Edited by:
Paper 61

A Comparison of Different Base Isolation Systems for a Multi-Storey Reinforced Concrete Building

D. Cancellara and F. De Angelis

Department of Structures for Engineering and Architecture, University of Naples Federico II, Italy

Full Bibliographic Reference for this paper
D. Cancellara, F. De Angelis, "A Comparison of Different Base Isolation Systems for a Multi-Storey Reinforced Concrete Building", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 61, 2014. doi:10.4203/ccp.106.61
Keywords: base isolation system, dynamic nonlinear analysis, seismic behavior..

Summary
Two base isolation systems are analyzed in the work described in this paper. They have been designed in compliance with the European seismic codes EC2 and EC8. In the presence of a seismic event a comparative analysis is made for evaluating the behaviour of a base isolated building characterized by a strong irregularity in plan. The two adopted base isolation systems are the high damping rubber bearing actuated in parallel with a friction slider and the lead rubber bearing also actuated in parallel with a friction slider. A dynamic nonlinear analysis is performed for a three-dimensional base isolated structure. Recorded accelerograms for bi-directional ground motions compatible with the reference elastic response spectrum have been used for the evaluation of the seismic response of the structure. A comparative analysis between the base isolated structure with the two considered base isolation systems and the corresponding traditional fixed base structure is also presented.

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