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황보진(Hwang-Bo Jin),박영미(Park Young-Mi),한상환(Han Sang-Whan) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.2
This study proposed an analytical model for predicting nonlinear behavior of reinforced concrete(RC) flat plate frames. In general, RC flat plate frames have been used as a gravity load resisting system (GLRS) in building. This system should be constructed with lateral force resisting system (LFRS) such as shear walls and moment frames. When lateral loads such as earthquakes occur, LFRS undergo displacement by which connected gravity systems experience lateral displacement. Thus, flat plate system designed as GLRS should be predict unbalanced moments and punching failure due to lateral deformation. Proposed model in this study can predict various failure modes and punching failure of slab-column connections. For verifying the proposed model, the test results of slab-column connection specimens and flat plate specimens having two continuous spans with the difference gravity shear ratio(Vg/Vc) were compared with the results of analysis. The proposed model was predictable the failure modes and punching failures.
중력 하중 차이에 의한 철근 콘크리트 플랫 플레이트 골조의 비선형 정적 해석
황보진(Hwang-Bo Jin),박영미(Park Young-Mi),한상환(Han Sang-Whan) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(구조계)
The purpose of this study was to analyze the seismic performance of reinforced concrete flat plate frame according to the gravity shear ratio. The gravity shear ratio is changed by gravity load. shear ratio. The failure modes which are composed of flexural failure and shear failure mode are related to gravity shear ratio. So 3 and 7 story frames are designed by different gravity loads. In study, the slab-column connections are used to analysis model in prior study. The analytical model is able to represent punching shear failure and fracture mechanism. Reinforced flat plate Frames are conducted to nonlinear pushover analysis. The analytical results are influenced by the gravity shear ratio.