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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.64 No.5
- 발행연도
- 2017.1
- 수록면
- 641 - 652 (12page)
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초록· 키워드
오류제보하기
In general, conventional analysis and design of reinforced concrete (RC) frame structures overlook the role of beamcolumn (RCBC) joints. Nowadays, the rigid joint model is one of the most common for RCBC joints: the joint is assumed to be rigid (unable to deform) and stronger than the adjacent beams and columns (does not fail before them). This model is popular because (i) the application of the capacity design principles excludes the possibility of the joint failing before the adjacent beams and (ii) many believe that the actual behaviour of RCBC joints designed according to the seismic codes produced mainly after the 1980s can be assumed to be nominally rigid. This study investigates the relevance of the deformation of RCBC joints in a standard pushover analysis at several levels: frame, storey, element and cross-section. Accordingly, a RC frame designed according to preliminary versions of EN 1992-1-1 and EN 1998-1 was analysed, considering the nonlinear behaviour of beams and columns by means of a standard sectional fibre model. Two alternative models were used for the RCBC joints: the rigid model and an explicit component based nonlinear model. The effect of RCBC joints modelling was found to be twofold: (i) the flexibility of the joints substantially increases the frame lateral deformation for a given load (30 to 50%), and (ii) in terms of seismic performance, it was found that joint flexibility (ii-1) appears to have a minor effect on the force and displacement corresponding to the performance point (seismic demand assessed at frame level), but (ii-2) has a major influence on the seismic demand when assessed at storey, element and cross-section levels.
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참고문헌 (16)
참고문헌 신청
P. Asha / 2014 / Experimental and numerical studies on seismic behaviour of exterior beam-column joints / Computers and Concrete, An International Journal 13(2):221~234
Bayhan, B. / 2017 / Impact of joint modeling approach on performance estimates of older-type rc buildings / Earthq. Spectra 33(3):1101~1123
Biddah, A. / 1999 / Modelling of shear deformation and bond slip in reinforced concrete joints / Struct. Eng. Mech 7(4):413~432
Costa, R. / 2016 / Anchorage models for reinforced concrete beam-column joints under quasistatic loading / ACI Struct. J 113(3):503~514
Costa, R. / 2017 / Component based reinforced concrete beam-column joint model / Struct. Concrete 18(1):164~176
Bayhan, B. / 2017 / Impact of joint modeling approach on performance estimates of older-type rc buildings / Earthq. Spectra 33(3):1101~1123
Biddah, A. / 1999 / Modelling of shear deformation and bond slip in reinforced concrete joints / Struct. Eng. Mech 7(4):413~432
Costa, R. / 2016 / Anchorage models for reinforced concrete beam-column joints under quasistatic loading / ACI Struct. J 113(3):503~514
Costa, R. / 2017 / Component based reinforced concrete beam-column joint model / Struct. Concrete 18(1):164~176
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