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박완선(Park Wan-Shin),이훈희(Lee Hun-Hee),송한범(Song Han-Beom),한병철(Han Byung-Chan),이원호(Lee Yaon-Ho),윤현도(Yun Hyun-Do) 한국구조물진단유지관리학회 2004 한국구조물진단학회 학술발표회논문집 Vol.- No.-
Since ductile coupled shear wall system is the primary seismic load resisting systems of many structures, a coupling beams in these system must exhibit excellent ductility and energy absorption capacity. In this paper, the seismic response of coupled shear wall system is discussed. It is demonstrated through a review of experimental investigations of coupling beam behavior and analytic studies of coupled wall behavior that often the coupling beam ductility demand exceeds the expected available ductility. As a result, it is possible that coupled shear wall system will not behave as desired in the course of a significant seismic event.