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Abstract
Seismic isolation system (SIS) of building structures can lead to reduction of the structural response to earthquake ground motion and improvement of structural safety. This paper introduces a sliding seismic isolator with mass energy regulator springs (SSIM) as a SIS type, and presents the application procedure of the SSIM to an existing building structure considering the probability that the SIS application leads to cost–benefit, the seismic performance evaluation of the building structure and the efficient SIS inspection after earthquakes. Based on a decision tree considering the probability of earthquake occurrence during the service of a building structure and functionality of the SIS against earthquakes, cost–benefit from installing a SIS is formulated, and, probability that the SIS application leads to cost–benefit is estimated. In the seismic performance evaluation, the fundamental period and structural response acceleration to the horizontal ground motion of the building with the SSIM are assessed. Furthermore, the efficient SIS inspection plan after earthquakes is investigated based on the acceptance sampling. The existing building structure, information and communications technology center of Syiah Kuala University located in Banda Aceh, Indonesia is applied for the case study.
Acknowledgements
The support by grant from the Energy Efficiency & Resources of the Korea Institute of Energy Technology Evaluation and Planning grant funded by the Korea government Ministry of Knowledge Economy award number 2011T100200081 is gratefully acknowledged. The opinions and conclusions presented in this paper are those of the authors and do not necessarily reflect the views of the sponsoring organisations.