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Journal of the Korean Society of Hazard Mitigation 2014;14(6):11-17.
Published online December 31, 2014.
보이드데크 슬래브의 극한 휨 및 전단거동 해석
노영숙
Nonlinear Finite Element Analysis for Ultimate Flexural and Shear Capacity of Void Deck Slab
Abstract
Concrete void RC slab has its own empty spaces inside on purpose. The nice aspects of this appearance of internal void are basically areduction of self-weight and possible mitigation of noise between floors especially for a residence building. In the past, it has been great research interests on shape and size of void and fixture for anti-floating during cast of fresh concrete. This was simply the main concern for construction. Nevertheless, this enhancement was achieved by introducing the steel deck plate at the bottom of void slab.Their flexural/shear capacity were needed to be proven by both experiment and analysis. The series of nonlinear finite element analysis were performed in terms of change of slab depth or a/d, presence of steel deck plate, area of longitudinal steel reinforcement in tension. Their failure patterns, load-deflection relations were extensively discussed and compared.
Key Words: Void deck slab; Nonlinear finite element analysis; Concrete damaged plasticity model; Flexural capacity; Shear capacity
핵심용어: 보이드데크 중공슬래브; 비선형유한요소해석; 콘크리트 손상-소성모델; 휨성능; 전단성능
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