Optimal Seismic Reinforcement Design of Adjacent Asymmetric- Stiffness Structures with Viscous Dampers 


Vol. 37,  No. 6, pp. 60-70, Dec.  2022
10.14346/JKOSOS.2022.37.6.60


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  Abstract

This paper proposes an optimal design method of a seismic reinforcement system for the seismic performance of adjacent asymmetric-stiffness structures with viscous dampers. The first method considers plan asymmetry for efficient seismic reinforcement, and evaluates the seismic performance of optimal design applied to two cases of modeling: adjacent stiffness-asymmetric structures and adjacent stiffnesssymmetric structures. The second method considers the response of asymmetric structures to derive the optimal objective function, and evaluates seismic efficiency of the objective function applied to two cases of responses: horizontal displacement and torsion. Numerical analyses are conducted on 7- and 10-story structures with a uni-asymmetric-stiffness plan using six cases of historic earthquakes, normalized to 0.4g. The results indicate that the seismic performance is excellent as modeled by adjacent asymmetric-stiffness structures and how much horizontal displacement is applied as the objective function.

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  Cite this article

[IEEE Style]

성은희, "Optimal Seismic Reinforcement Design of Adjacent Asymmetric- Stiffness Structures with Viscous Dampers," Journal of the Korean Society of Safety, vol. 37, no. 6, pp. 60-70, 2022. DOI: 10.14346/JKOSOS.2022.37.6.60.

[ACM Style]

성은희. 2022. Optimal Seismic Reinforcement Design of Adjacent Asymmetric- Stiffness Structures with Viscous Dampers. Journal of the Korean Society of Safety, 37, 6, (2022), 60-70. DOI: 10.14346/JKOSOS.2022.37.6.60.

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