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A Study on the Characteristics of Dynamic Behaviors for the Spatial Structures using Equivalent Lumped Mass Model  

Han Sang-Eul (인하대학교 건축학부)
Lee Sang-Ju ((주)C&P 구조기술사사무소)
Kim Min-Sik (인하대학교 건축학부 대학원)
Publication Information
Journal of the Computational Structural Engineering Institute of Korea / v.19, no.2, 2006 , pp. 187-194 More about this Journal
Abstract
Generally, earthquake-resistant structural systems have to ensure the sufficient stiffness and ductility for stability In this paper, the spatial structures are applied an isolation system to boundary parts between roof systems and sub-structures. So, it is necessary to examine the characteristics of dynamic behaviors of spatial structures governed by higher modes rather than lower modes different from the cases of high-rise buildings. The objectives of this paper are to develop the equivalent lumped mass model to simplify an analytical processes and to investigate the dynamic behaviors of roof systems according to the mass and stiffness of sub-structures as a fundamental study of performance design for the spatial structures.
Keywords
equivalent lumped mass model; seismic isolation; performance design;
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