Detailed Finite Element Analysis of Full-scale Four-story Steel Frame Structure subjected to Consecutive Ground Motions

Tagawa, Hiroyuki; Miyamura, Tomoshi; Yamashita, Takuzo; Kohiyama, Masayuki; Ohsaki, Makoto

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자료유형: 학술저널

저자정보: Tagawa, Hiroyuki (Hyogo Earthquake Engineering Research Center, National Research Institute for Earth Science and Disaster Prevention) Miyamura, Tomoshi (Hyogo Earthquake Engineering Research Center, National Research Institute for Earth Science and Disaster Prevention) Yamashita, Takuzo (Hyogo Earthquake Engineering Research Center, National Research Institute for Earth Science and Disaster Prevention) Kohiyama, Masayuki (Department of System Design Engineering, Faculty of Science and Technology, Keio University) Ohsaki, Makoto (Department of Architecture, Graduate School of Engineering, Hiroshima University)

저널정보: 한국초고층도시건축학회 International journal of high-rise buildings International journal of high-rise buildings 제4권 제1호

발행연도: 2015.1

수록면: 65 - 73 (9page)

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Detailed finite element (FE) analyses of a full-scale four-story steel frame structure, subjected to consecutive 60% and 100% excitations from the JR Takatori records during the 1995 Hyogoken-Nanbu earthquake, are conducted using E-Simulator. The four-story frame was tested at the largest shake-table facility in the world, E-Defense, in 2007. E-Simulator is a parallel FE analysis software package developed to accurately simulate structural behavior up to collapse by using a fine mesh of solid elements. To reduce computational time in consecutive dynamic time history analyses, static analysis with gravity force is introduced to terminate the vibration of the structure during the analysis of 60% excitation. An overall sway mechanism when subjected to 60% excitation and a story mechanism resulting from local buckling of the first-story columns when subjected to 100% excitation are simulated by using E-Simulator. The story drift response to the consecutive 60% and 100% excitations is slightly smaller than that for the single 100% excitation.

#Finite element analysis #Seismic response #Collapse #Consecutive excitation #E-simulator

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Tagawa, Hiroyuki

소속기관 Hyogo Earthquake Engineering Research Center, National Research Institute for Earth Science and Disa