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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.27 No.1
- 발행연도
- 2018.1
- 수록면
- 49 - 74 (26page)
이용수
초록· 키워드
오류제보하기
Generally, beam-column joints are taken into account as rigid in assessment of seismic performance of reinforced concrete (RC) structures. Experimental and numerical studies have proved that ignoring nonlinearities in the joint core might crucially affect seismic performance of RC structures. On the other hand, to improve seismic behaviour of such structures, several strengthening techniques of beam–column joints have been studied and adopted in practical applications. Among these strengthening techniques, the application of FRP materials has extensively increased, especially in case of exterior RC beam-column joints. In current paper, to simulate the inelastic response in the core of RC beam–column joints strengthened by FRP sheets, a practical joint model has been proposed so that the effect of FRP sheets on characteristics of an RC joint were considered in principal tensile stress-joint rotation relations. To determine these relations, a combination of experimental results and a mechanically-based model has been developed. To verify the proposed model, it was applied to experimental specimens available in the literature. Results revealed that the model could predict inelastic response of as-built and FRP strengthened joints with reasonable precision. The simple analytic procedure and the use of experimentally computed parameters would make the model sufficiently suitable for practical applications.
목차
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참고문헌 (127)
참고문헌 신청
2002 / ACI 440.2R-02, Guide for the design and construction of externally bonded FRP systems for strengthening concrete structures, Committee 440 Report
Adhikary, B.B. / 2004 / Shear strengthening of reinforced concrete beams using fiberreinforced polymer sheets with bonded anchorage / Struct. J. 101(5):660~668
Akbarzadeh, B.H. / 2015 / Seismic performance of RC frames joints retrofitted by CFRP composites / Proceedings of the 2th International and the 6th National Conference on Earthquake & Structures
Akbarzadeh, B.H. / 2015 / An artificial neural network (ANN) model for predicting the moment-rotation of exterior RC beam-column joints strengthened by CFRP composites / Proceedings of the 2th International and the 6th National Conference on Earthquake & Structures
Akbarzadeh, B.H. / 2016 / Predicting the Ductility of RC Beams Using Nonlinear Regression and ANN / Iran. J. Sci. Technol. Transact. Civil Eng. 40(4):297~310
Adhikary, B.B. / 2004 / Shear strengthening of reinforced concrete beams using fiberreinforced polymer sheets with bonded anchorage / Struct. J. 101(5):660~668
Akbarzadeh, B.H. / 2015 / Seismic performance of RC frames joints retrofitted by CFRP composites / Proceedings of the 2th International and the 6th National Conference on Earthquake & Structures
Akbarzadeh, B.H. / 2015 / An artificial neural network (ANN) model for predicting the moment-rotation of exterior RC beam-column joints strengthened by CFRP composites / Proceedings of the 2th International and the 6th National Conference on Earthquake & Structures
Akbarzadeh, B.H. / 2016 / Predicting the Ductility of RC Beams Using Nonlinear Regression and ANN / Iran. J. Sci. Technol. Transact. Civil Eng. 40(4):297~310
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