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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.21 No.2
- 발행연도
- 2016.1
- 수록면
- 443 - 460 (18page)
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초록· 키워드
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In this paper, the efficiency and effectiveness of two strengthening methods for upgrading behavior of the two external weak reinforced concrete (RC) beam-column joints were experimentally investigated under cyclic loading. Since two deficient external RC joints with reduced beam height and low strength concrete were strengthened using one-way steel prop and curbs with and without steel revival sheets on the beam. The cyclic performance of these strengthened specimens were compared with two another control external RC beam-column joints, one the standard RC joint that had not two mentioned deficiencies and another had both. Therefore, four halfscale RC joints were tested under cyclic loading.The experimental results showed that these innovative strengthening methods (RC joint with revival sheet specially) surmounted the deficiencies of weak RC joints and upgraded their performance and bearing capacity, stiffness degradation, energy absorption, up to those of standard RC joint. Also, results exhibited that the prop at joint acted as a fuse element due to adding steel revival sheets on the RC beam and showed better behavior than that of the specimen without steel revival sheets. In other words by stiffening of beam, the prop collected all damages due to cyclic loading at itself and acted as the first line of defense and prevented from sever damages at RC joint.
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참고문헌 (28)
참고문헌 신청
Abdel-Wahed, O.H. / 2005 / Behavior of reinforced concrete beam–column joint with FRP / Proceedings of the 11th International Colloquium on Structural and Geotechnical Engineering
Jose M. Adam / 2008 / Experimental study of beam-column joints in axially loaded RC columns strengthened by steel angles and strips / Steel and Composite Structures, An International Journal 8(4):329~342
Amziane, S. / 2010 / Efficiency of beam–column joint strengthened by FRP laminates / Adv. Compos. Mater. 19(2):83~171
Anania, L. / 2005 / Increasing the flexural performance of RC beams strengthened with CFRP materials / Construct. Build. Mater. 191(1):55~61
Antonopoulos, C.P. / 2003 / Experimental investigation of FRP strengthened RC beam–column joints / J. Compos. Construct. 7(2):39~49
Jose M. Adam / 2008 / Experimental study of beam-column joints in axially loaded RC columns strengthened by steel angles and strips / Steel and Composite Structures, An International Journal 8(4):329~342
Amziane, S. / 2010 / Efficiency of beam–column joint strengthened by FRP laminates / Adv. Compos. Mater. 19(2):83~171
Anania, L. / 2005 / Increasing the flexural performance of RC beams strengthened with CFRP materials / Construct. Build. Mater. 191(1):55~61
Antonopoulos, C.P. / 2003 / Experimental investigation of FRP strengthened RC beam–column joints / J. Compos. Construct. 7(2):39~49
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