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http://dx.doi.org/10.11112/jksmi.2016.20.3.058

Inelastic Seismic Response Control of the RC Framed Apartment Building Structures Using Exterior-Installed Kagome Damping System  

Hur, Moo-Won (단국대학교 건축공학과)
Chun, Young-Soo (LH 토지주택연구원)
Lee, Sang-Hyun (단국대학교 건축공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.20, no.3, 2016 , pp. 58-65 More about this Journal
Abstract
Various passive energy dissipation systems have been proposed and widely applied to real building structures under seismic load due to their high energy-dissipation potential and low cost for installation and maintenance. This paper presents nonlinear dynamic analysis results of the effectiveness of exterior-installed Kagome damping system(EKDS) in passively reducing seismic response. Kagome damping system proposed by previous studies has isotropic and bi-linear hysteretic characteristics and the installation configuration is newly presented in this study. The 15 and 20 story RC framed apartment buildings are used for verifying the effectiveness of the EKDS. The stiffness ratio of the damper supporting column to the original building, the number of the dampers, and the installed stories were considered as design parameters. Numerical results demonstrated that the EKDS were very effective in reducing both the two horizontal directional seismic responses by just using smaller number of exterior-installed damping system when compared to the traditional one-directional inter-story installed damping systems.
Keywords
Isotropic; Bi-linear; Exterior-Installed Kagome damping; Nonlinear-dynamic analysis;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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