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불균형 휨모멘트를 받는 플랫 플레이트-기둥 외부접합부의 강도 : Strength of Exterior Flat Plate-Column Connections Subjected to Unbalanced Moment
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- Authors
- Issue Date
- 2003-06
- Publisher
- 한국콘크리트학회 = Korean Concrete Institute
- Citation
- 한국콘크리트학회 논문집 제15권 제3호, 2003, pp. 470-481
- Keywords
- flat plate ; exterior connection ; eccentric shear ; seismic design ; unbalanced moment ; 플랫 플레이트 ; 외부접합부 ; 편심전단 ; 내진설계 ; 불균형 모멘트
- Abstract
- Exterior plate-column connection has an unsymmetrical critical section for eccentric shear of which perimeter is less than that of interior connection, and hence, around the connection, unbalanced moment and eccentric shear are developed by both gravity load and lateral loads. Therefore, exterior connection is susceptible to punching shear failure. Current design provision cannot accurately explain strength of existing experiments, partly due to the complexity in the behavior of exterior plate-column connection, or partly due to the theoretical deficiency of the strength analysis model adopted. 10 the present study, nonlinear finite element analyses were performed for exterior connections belonging to continuous flat plate. For each direction of lateral load, the behavior and strength of exterior plate-column connection were Quite different. Based on the numerical result, strength prediction model for exterior connection was proposed for each direction of lateral load. Compared with existing experiments, the proposed method was verified.
- ISSN
- 1229-5515
- Language
- Korean
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