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http://dx.doi.org/10.5000/EESK.2010.14.6.001

Seismic Responses Control of Coupled Shear Wall Structures Using LRBs  

Park, Yong-Koo (성균관대학교 건설환경시스템공학과)
Kim, Hyun-Su (선문대학교 건축학부)
Ko, Hyun ((주)아이스트)
Kim, Min-Gyun (삼성엔지니어링 발전기술팀)
Lee, Dong-Guen (성균관대학교 건축공학과)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.14, no.6, 2010 , pp. 1-9 More about this Journal
Abstract
Most of shear wall structures require openings in shear walls and thus shear walls are linked by floor slabs or coupling beams resulting in the coupled shear wall structures. When these structures are subjected to seismic excitations, excessive shear forces are induced in coupling beams. Accordingly, brittle failure of coupling beams may occur or shear walls may yield first. To avoid this problem, damping devices can be installed in coupling beams. It can increase the vibration control effect and improve the seismic resistance performance of the coupled shear wall structure by avoiding stress concentration and the brittle failure of coupling beams. Based on this background research, an LRB (lead rubber bearing) was introduced in the middle of the coupling beam in this study and the authors investigated the seismic response control effect and stress distribution of the proposed system. To this end, a modeling technique that can effectively predict the structural behavior of coupled shear wall structures has been proposed. With this proposed technique, time history analyses of the example coupled shear wall structure subjected to seismic excitation were performed and the vibration control effects of the seismic responses were investigated.
Keywords
Coupled shear wall structure; LRB; Coupling beam; Bending deformation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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