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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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.28 No.1
- 발행연도
- 2018.1
- 수록면
- 83 - 98 (16page)
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초록· 키워드
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This research was conducted to study the behavior of exterior concrete beam-column joints with reinforced shape memory alloy (SMA) bars tested under cyclic loading. These bars benefit from superelastic behavior and can stand high loads without residual strains. The experimental part of the study, 8 specimens of exterior concrete beam-column joints were made and tested. Two different types of concrete with 30 and 45 MPa were used. Four specimens contained SMA bars and 4 specimens contained steel bars in beam-column joints. Furthermore, different transverse reinforcements were used in beams investigate the effects of concrete confinement. Specimens were tested under cyclic loading. Results show that SMA bars are capable of recentering to their original shape after standing large displacements. Due to the superelastic behavior of SMA bars, cracks at the joint core vanish under cyclic loading. As the cyclic loading increased, bending failure occurred in the beam outside the joint core. In the analytical parts of the study, specimens were simulated using the SeismoStruct software. Experimental and analytical results showed a satisfactory correlation. Plastic hinge length at the beam joint for specimens with SMA and steel bars was calculated by empirical equations, experimental and analytical results. It was shown that Paulay's and Priestley's equations are appropriate for concrete beam-column joints in both types of bars.
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참고문헌 (32)
참고문헌 신청
Abdel-Fattah, B. / 1987 / Study of moving beam plastic hinging zones for earthquake-resistant design of RC buildings / Struct. J. 84(1):31~39
ACI Committee / 2005 / Acceptance criteria for moment frames based on structural testing and commentary (ACI 374.1-05)
Alam, M.S. / 2007 / Applications of shape memory alloys in earthquake engineering / Proceedings of the 9th Canadian Conference on Earthquake Engineering
Alam, M.S. / 2008 / Analytical prediction of the seismic behavior of superelastic shape memory alloy reinforced concrete elements / Eng. Struct. 30(12):3399~3411
M. Shahria Alam / 2009 / Seismic performance of concrete frame structures reinforced with superelastic shape memory alloys / Smart Structures and Systems, An International Journal 5(5):565~585
ACI Committee / 2005 / Acceptance criteria for moment frames based on structural testing and commentary (ACI 374.1-05)
Alam, M.S. / 2007 / Applications of shape memory alloys in earthquake engineering / Proceedings of the 9th Canadian Conference on Earthquake Engineering
Alam, M.S. / 2008 / Analytical prediction of the seismic behavior of superelastic shape memory alloy reinforced concrete elements / Eng. Struct. 30(12):3399~3411
M. Shahria Alam / 2009 / Seismic performance of concrete frame structures reinforced with superelastic shape memory alloys / Smart Structures and Systems, An International Journal 5(5):565~585
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