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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
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- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.30 No.2
- 발행연도
- 2019.1
- 수록면
- 123 - 140 (18page)
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This paper presents experimental study on effects of width-to-thickness ratio and loading history on cyclic rotational capacity of H-shaped steel beams subjected to pure bending. Eight Class 3 and 4 H-shaped beams with large width-to-thickness ratios were tested under four different loading histories. The coupling effect of local buckling and cracking on cyclic rotational capacity of the specimens was investigated. It was found that loss of the load-carrying capacity was mainly induced by local buckling, and ductile cracking was a secondary factor. The width-to-thickness ratio plays a dominant effect on the cyclic rotational capacity, and the loading history also plays an important role. The cyclic rotational capacity can decrease significantly due to premature elasto-plastic local buckling induced by a number of preceding plastic reversals with relative small strain amplitudes. This result is mainly correlated with the decreasing tangent modulus of the structural steel under cyclic plastic loading. In addition, a theoretical approach to evaluate the cyclic rotational capacity of H-shaped beams with different width-to-thickness ratios was also proposed, which compares well with the experimental results.
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참고문헌 (34)
참고문헌 신청
Vahid Akrami / 2015 / Effect of local web buckling on the cyclic behavior of reduced web beam sections (RWBS) / Steel and Composite Structures, An International Journal 18(3):641~657
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Cheng, X. / 2013 / Experimental study on H-shaped steel beam-columns with large widththickness ratios under cyclic bending about weak-axis / Eng. Struct 49:264~274
Anastasiadis, A. / 2012 / Prediction of available rotation capacity and ductility of wide-flange beams : Part 2 : Applications / J. Constr. Steel Res 68(1):176~191
CEN / 2005 / Eurocode 3: Design of steel structures Part 1-1:General rules and rules for buildings
Chen, Y. Y. / 2017 / Post-buckling ductile fracture analysis of panel zones in welded steel beam-to-column connections / J. Constr. Steel Res 132:117~129
Cheng, X. / 2013 / Experimental study on H-shaped steel beam-columns with large widththickness ratios under cyclic bending about weak-axis / Eng. Struct 49:264~274
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