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http://dx.doi.org/10.5000/EESK.2002.6.1.055

The Nonlinear Behavior Characteristics of the 3D Mixed Building Structures with Variations in the Lower Stories  

강병두 (거창전문대학 건축과 조교수,)
전대한 (동서대학교 건설공학부)
김재웅 (동아대학교 건축학부)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.6, no.1, 2002 , pp. 55-62 More about this Journal
Abstract
The upper wall-lower frame structures(mixed building structures) are usually composed of shear wall structure in the upper part of structure which is used as residential space and frame structure in the lower part of structure which is used as commercial space centering around the transfer system in the lower part of structure. These structures are characteristics of stiffness irregularity, mass irregularity, and vertical geometric irregularity. The purpose of this study is to investigate the nonlinear response characteristics and the seismic capacity of mixed building structures when the number of stories in the lower frame is varied. The conclusions of this study are following. 1) As the result of push-over analysis of structure such as roof drift(i.e. roof displacement/structural height) and base shear coefficient, when the stories of lower frame system are increased, base shear coefficient is decreased, but roof drift is increased. 2) According to an increase in stories of the lower fame, story drift and ductility ratio of upper wall system are decreased and behavior of upper wall system is closed to elastic. 3) When the stories of lower frame system are increased, the excessive story drift is concentrated on the lower frame system.
Keywords
mixed building structure; push-over analysis; nonlinear time history analysis; story drift; floor level lateral force; ductility ratio;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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