Parametric Study of Asymmetric Base-Isolation Coupling Control System for Vibration Control of Adjacent Twin Buildings 


Vol. 37,  No. 3, pp. 45-51, Jun.  2022
10.14346/JKOSOS.2022.37.3.45


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  Abstract

This paper focuses on a recently proposed asymmetric base-isolation coupling control system (ABiCS) for the vibration control of adjacent twin buildings. The ABiCS consists of inter-story diagonal dampers, a connecting damper between the two buildings, and a seismic isolation device at the base floor of one building. To investigate the control characteristics of ABiCS, a parametric study was performed by numerically simulating the 20-story twin buildings. In the parametric study, the control capacities of the inter-story diagonal dampers, connecting damper, and seismic isolation device were considered as varying parameters. The parametric study results indicate that the connecting damper between the two buildings reduces the responses of both buildings only at optimal or near-optimal capacity. In addition, adjusting the stiffness of the base isolation is found to be the most effective method for improving seismic performance and achieving cost-effectiveness. Accordingly, we presented a scenario-based performance improvement approach in which reducing the stiffness of the base isolation device could be an effective technique to improve the seismic performance of both buildings. However, note that checking the maximum allowable displacement of the base isolation device is essential.

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  Cite this article

[IEEE Style]

김다위 and 박. 옥승용, "Parametric Study of Asymmetric Base-Isolation Coupling Control System for Vibration Control of Adjacent Twin Buildings," Journal of the Korean Society of Safety, vol. 37, no. 3, pp. 45-51, 2022. DOI: 10.14346/JKOSOS.2022.37.3.45.

[ACM Style]

김다위 and 박원석 옥승용. 2022. Parametric Study of Asymmetric Base-Isolation Coupling Control System for Vibration Control of Adjacent Twin Buildings. Journal of the Korean Society of Safety, 37, 3, (2022), 45-51. DOI: 10.14346/JKOSOS.2022.37.3.45.

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