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http://dx.doi.org/10.5000/EESK.2004.8.4.033

Vibration Control of Structures Using Viscoelastic Dampers Installed in Expansion Joints  

Kim, Jin-Koo (성균관대학교 건축공학과)
Ryou, Jin-Gook (성균관대학교 건축공학과)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.8, no.4, 2004 , pp. 33-42 More about this Journal
Abstract
The usual practice of placing viscoelastic dampers (VED) in the inter-story of building structures frequently interfere with spatial planning and obstruct internal view. These shortcomings can be overcome by installing VED in seismic joints or in expansion joints which are usually hidden under a cover. This study investigates the effect of installing VED in seismic joints to reduce earthquake-induced dynamic reponses. Parametric studies were conducted using 3-DOF systems connected by VED and subjected to earthquake excitations to investigate the effectiveness of the proposed scheme. Nonlinear dynamic analyses were carried out with five-story structures composed of different structure systems and connected by seismic joints. According to the analysis results the use of VED in seismic joints turned out to be effective as long as the natural frequencies of the connected structures are different enough.
Keywords
viscoelastic dampers; seismic joints; expansion joints; passive control; seismic design;
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  • Reference
1 Soong TT. and Dargush GF., 'Passive Energy Dissipation System in Structural Engineering, State University of New York at Buffalo', 1996
2 Zhang, WS and Xu, YL., 'Dynamic charactristics and seismic response of adjacent buildings linked by discrete dampers,' Earthquake Engineering & Structural Dynamics, 28(10), 1999, pp. 1163-1185   DOI   ScienceOn
3 Yang Z, Xu YL, and Lu XL, Experimental seismic study of adjacent buildings with fluid dampers, 'Journal of Structural Engineering,' pp. 129 (2), 2003, pp. 197-205   DOI   ScienceOn
4 Johnson MW, Erickson TW, and Nakaki DK, 'Use of viscous dampers across an expansion joint,' Proceedings of 2002 SEAOC Annual Convention, Santa Barbara, USA, 2002, pp. 197-201
5 Tsai, K. C. and Li, J. W.,'DRAIN2D+, A general purpose computer program for static and dynamic analyses of inelastic 2D structures supplemented with a graphic processor,' Report No. CEER/R86-07, National Taiwan University, Taipei, Taiwan, 1997
6 MIDAS/Gen Program, MIDAS/Gen-General structure design system, MIDAS/Gen Ver.5.7.1 Analysis and Design Manual, MIDAS Information Technology, Co.,Ltd