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불균등 휨모멘트를 받는 플랫 플레이트-기둥 접합부의 강도산정모델 : Strength of Interioi Flat Plate-Column Connections Subjected to Unbalanced Moment
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- Authors
- Issue Date
- 2002-12
- Publisher
- 한국콘크리트학회 = Korean Concrete Institute
- Citation
- 한국콘크리트학회 논문집 제14권 제6호, 2002, pp. 961-972
- Keywords
- flat plate ; connection ; eccentric shear ; seismic design ; unbalanced moment ; 플랫 플레이트 ; 접합부 ; 편심전단 ; 내진설계 ; 불균등 모멘트
- Abstract
- Flat plate structures under lateral load are susceptible to the brittle shear failure of plate-column connection. To prevent such brittle failure, strength and ductility of the connection should be ensured. However, according to previous studies, current design methods do not accurately estimate the strength of plate-column connection. In the present study, parametric study using nonlinear finite element analysis was performed for interior connections. Based on the numerical results, a design method for the connection was developed. At the critical sections around the connection coexist flexural moment and shear developed by lateral and gravity loads, and maximum allowable eccentric shear stresses were proposed based on the interactions between the flexural moment and shear. The proposed method can precisely predict the strength of the connection, compared with the current design provisions. The predictability of the proposed method was verified by the comparisons with existing experiments and nonlinear numerical analyses.
- ISSN
- 1229-5515
- Language
- Korean
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