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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.40 No.2
- 발행연도
- 2021.1
- 수록면
- 287 - 305 (19page)
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초록· 키워드
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Recently, a new generation of cold-formed steel (CFS) channel section with edge-stiffened web holes has been developed by industry in New Zealand. However, no research has been reported in the literature to investigate the axial capacity of back-to-back channels with edge-stiffened web holes. This paper presents a total of 73 new results comprising 29 compression tests and 44 finite element analyses (FEA) on axial capacity of such back-to-back CFS channels. The results show that for back-to-back channels with seven edge-stiffened holes, the axial capacity increased by 19.2%, compared to plain channels without web holes. A non-linear finite element (FE) model was developed and validated against the test results. The validated FE model was used to conduct a parametric study involving 44 FE models. Finely, the tests results were compared with the design strengths calculated from the AISI and AS/NZ standards and from the proposed design equations of Moen and Schafer. From the comparison results, it was found that the AISI and AS/NZ design strengths are only 9% conservative to the test results for plain channels without web holes. While Moen and Schafer equations are conservative by 13% and 47% for axial capacity of CFS back-to-back channels with un-stiffened and edge-stiffened web holes, respectively.
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참고문헌 (14)
참고문헌 신청
G. Beulah Gnana Ananthi / 2019 / Testing, simulation and design of back-to-back built-up cold-formed steel unequal angle sections under axial compression / Steel and Composite Structures, An International Journal 33(4):595~614
M Anbarasu / 2020 / Behaviour of cold-formed steel built-up battened columns composed of four lipped angles: Tests and numerical validation / Advances in Structural Engineering 23(1):51~64
M Anbarasu / 2019 / Behaviour of cold-formed steel built-up I-section columns composed of four U-profiles / Advances in Structural Engineering 22(3):613~625
Cristopher D. Moen / 2008 / Experiments on cold-formed steel columns with holes / Thin-Walled Structures 46(10):1164~1182
C. D. Moen / 2011 / Direct Strength Method for Design of Cold-Formed Steel Columns with Holes / Journal of Structural Engineering 137(5):559~570
M Anbarasu / 2020 / Behaviour of cold-formed steel built-up battened columns composed of four lipped angles: Tests and numerical validation / Advances in Structural Engineering 23(1):51~64
M Anbarasu / 2019 / Behaviour of cold-formed steel built-up I-section columns composed of four U-profiles / Advances in Structural Engineering 22(3):613~625
Cristopher D. Moen / 2008 / Experiments on cold-formed steel columns with holes / Thin-Walled Structures 46(10):1164~1182
C. D. Moen / 2011 / Direct Strength Method for Design of Cold-Formed Steel Columns with Holes / Journal of Structural Engineering 137(5):559~570
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