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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.5
- 발행연도
- 2018.1
- 수록면
- 573 - 588 (16page)
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초록· 키워드
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The objective of this paper is to investigate the mechanical performances of polygonal concrete-filled circular steel tubular (CFT) stub columns under axial loading through combined experimental and numerical study. A total of 32 specimens were designed to investigate the effect of the concrete strength and steel ratio on the compressive behavior of polygonal CFT stub columns. The ultimate bearing capacity, ductility and confinement effect were analyzed based on the experimental results and the failure modes were discussed in detail. Besides, ABAQUS was adopted to establish the three dimensional FE model. The composite action between the core concrete and steel tube was further discussed and clarified. It was found that the behavior of CFT stub column changes with the change of the cross-section, and the change is continuous. Finally, based on both experimental and numerical results, a unified formula was developed to estimate the ultimate bearing capacity of polygonal CFT stub columns according to the superposition principle with rational simplification. The predicted results showed satisfactory agreement with both experimental and FE results.
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참고문헌 (40)
참고문헌 신청
Farhad Aslani / 2015 / Predicting the axial load capacity of high-strength concrete filled steel tubular columns / Steel and Composite Structures, An International Journal 19(4):967~993
Baltay, P. / 1990 / Coefficient of friction for steel on concrete at high normal stress / J. Mater. Civil Eng. 2(1):46~49
Chang, X. / 2013 / Study on concrete-filled stainless steel carbon steel tubular (CFSCT) stub columns under compression / Thin-Wall. Struct. 63(2):125~133
Chang, X. / 2014 / Analysis of circular concrete-filled steel tube support in high ground stress conditions / Tunn. Undergr. Sp Tech. 43(6):41~48
Dai, X. / 2010 / Numerical modeling of the axial compressive behaviour of short concrete-filled elloptical steel columns / J. Constr. Steel Res. 66:931~942
Baltay, P. / 1990 / Coefficient of friction for steel on concrete at high normal stress / J. Mater. Civil Eng. 2(1):46~49
Chang, X. / 2013 / Study on concrete-filled stainless steel carbon steel tubular (CFSCT) stub columns under compression / Thin-Wall. Struct. 63(2):125~133
Chang, X. / 2014 / Analysis of circular concrete-filled steel tube support in high ground stress conditions / Tunn. Undergr. Sp Tech. 43(6):41~48
Dai, X. / 2010 / Numerical modeling of the axial compressive behaviour of short concrete-filled elloptical steel columns / J. Constr. Steel Res. 66:931~942
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