지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.16 No.4
- 발행연도
- 2003.1
- 수록면
- 493 - 517 (25page)
이용수
초록· 키워드
오류제보하기
Atempts at improving beam-column joint performance has resulted in non-conventional waysof reinforcement such as the use of the crossed inclined bars in the joint area. Despite the wideacumulation of test data, the influence of the crosed inclined bars on the shear strength of the cyclicalyloaded exterior beam-column joints has not yet been quantified and incorporated into coderecomendations. In this study, the investigation of joints has been pursued on two diferent fronts. In thefirst approach, the parameters that influence the behaviour of the cyclicaly loaded beam-column joints areinvestigated. Several parametric studies are carried out to explore the shear resisting mechanisms ofcyclicaly loaded beam-column joints using an experimental database consisting of a large number of jointtests. In the second approach, the mechanical behaviour of joints is investigated and the equations for theprincipal tensile strain and the average shear stres are derived from joint mechanics. It is apparent thatthe predictions of these two aproaches agre wel with each other. A design equation that predicts theshear strength of the cyclicaly loaded exterior beam-column joints is proposed. The design equationproposed has three major diferences from the previously suggested design equations. First, the influenceof the bond conditions on the joint shear strength is considered. Second, the equation takes the influenceof the shear transfer mechanisms of the crosed inclined bars into account and, third, the equation isapplicable on joints with high concrete cylinder strength. The proposed equation is compared with thepredictions of the other design equations. It is apparent that the proposed design equation predicts thejoint shear strength acurately and is an improvement on the existing code recomendations.
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