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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.18 No.3
- 발행연도
- 2015.1
- 수록면
- 739 - 756 (18page)
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This paper presents investigations on the hysteretic behavior of concrete-filled circular tubular (CFCT) T-joints subjected to axial cyclic loading at brace end. In the experimental study, four specimens are fabricated and tested. The chord members of the tested specimens are filled with concrete along their full length and the braces are hollow section. Failure modes and load-displacement hysteretic curves of all the specimens obtained from experimental tests are given and discussed. Some indicators, in terms of stiffness deterioration, strength deterioration, ductility and energy dissipation, are analyzed to assess the seismic performance of CFCT joints. Test results indicate that the failures are primarily caused by crack cutting through the chord wall, convex deformation on the chord surface near brace/chord intersection and crushing of the core concrete. Hysteretic curves of all the specimens are plump, and no obvious pinching phenomenon is found. The energy dissipation result shows that the inelastic deformation is the main energy dissipation mechanism. It is also found from experimental results that the CFCT joints show clear and steady stiffness deterioration with the increase of displacement after yielding. However, all the specimens do not perform significant strength deterioration before failure. The effect of joint geometric parameters β and γ of the four specimens on hysteretic performance is also discussed.
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참고문헌 (24)
참고문헌 신청
1992 / Guidelines for cyclic seismic testing of components of steel structures / ATC-24, Applied Technology Council
Bergmann, R. / 1955 / Design guide for concrete filled hollow section columns under static and seismic loading / Comite International pour le Developpement et 1Etude de la Construction Tubulaire (CIDECT); Verlag TUV Rheinland
2005 / Eurocode 3: Design of steel structures, Part 1-1: General rules and rules for buildings / BS EN 1993-1-1:200, European Committee for Standardization
Chen, J. / 2010 / Experimental investigation of stress concentration factor of concrete-filled tubular T joints / J. Constr. Steel Res 66(12):1510~1515
Feng, R. / 2008 / Tests of concrete-filled stainless steel tubular T-joints / J. Constr. Steel Res 64(1):1283~1293
Bergmann, R. / 1955 / Design guide for concrete filled hollow section columns under static and seismic loading / Comite International pour le Developpement et 1Etude de la Construction Tubulaire (CIDECT); Verlag TUV Rheinland
2005 / Eurocode 3: Design of steel structures, Part 1-1: General rules and rules for buildings / BS EN 1993-1-1:200, European Committee for Standardization
Chen, J. / 2010 / Experimental investigation of stress concentration factor of concrete-filled tubular T joints / J. Constr. Steel Res 66(12):1510~1515
Feng, R. / 2008 / Tests of concrete-filled stainless steel tubular T-joints / J. Constr. Steel Res 64(1):1283~1293
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