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장방형 기둥에 지지되는 플랫 플레이트 접합부의 불균형 모멘트 강도 평가
황연희(Hwang Youn-Hee),최명신(Choi Myung-Shin),유석형(Yoo Suk-Hyeong),신성우(Shin Sung-Woo) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
The purpose of this study is to analyze the unbalanced moment strength of flat plate connections with rectangular column support. Based on the experimental database, an evaluation on the analysis models such as eccentric shear stress model of ACI 318-05 and EC 2-04, theoretical yield line analysis, strut-tie model, and numerical models was performed in the present study. The experimental database was selected to the interior flat plate connections with rectangular column support in the literature such as Hanson and Hanson(1968), Hawkins et al.(1989), Farhey et a1.(1993), DY Kim(1995), Hwang and Moehle(2000), and MS Choi(2007). The theoretical and numerical analysis results were compared and evaluated with this experimental database on the peak unbalanced moment strength.
횡하중 저항 슬래브-기둥 접합부의 펀칭전단 및 불균형모멘트 강도모델
최정욱(Choi Jung-Wook) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.1
A reinforced concrete flat plate is a two-way slab without projecting beams, drop panels, or column capitals. This is a structural system favored by many designers for its simple form-work, flexible layout, and economical construction. The design of a flat plate is often controlled by shear and moment transfer between the slab and the columns. The strength in shear and unbalanced moment is affected by loading conditions such as balanced or unbalanced loads applied to slab-column connections. However, the strength models specified in ACI 318-08 Building Code do not consider the effect of the loading conditions. Thus, unconservative design in punching shear and uneconomic design in unbalanced moment can be drawn in the condition that unbalanced load predominates. In this paper, new strength models considered the effect of loading conditions were proposed for lateral load resistant slab-column connections.