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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.2
- 발행연도
- 2018.1
- 수록면
- 233 - 250 (18page)
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초록· 키워드
오류제보하기
Back-to-back built-up cold-formed steel un-lipped channel sections are used in cold-formed steel structures; such as trusses, wall frames and portal frames. In such built-up columns, intermediate fasteners resist the buckling of individual channelsections. No experimental tests or finite element analyses have been reported in the literature for back-to-back built-up coldformed steel un-lipped channel sections and specially investigated the effect of screw spacing on axial strength of such columns. The issue is addressed in this paper. The results of 95 finite element analyses are presented covering stub to slender columns. The finite element model is validated against the experimental tests recently conducted by authors for back-to-back built-up cold-formed steel lipped channel sections. The verified finite element model is then used for the purposes of a parametric study to investigate the effect of screw spacing on axial strength of back-to-back built-up cold-formed steel un-lipped channel sections. Results are compared against the built-up lipped channel sections and it is shown that the axial strength of un-lipped built-up sections are 31% lesser on average than the built-up lipped channel sections. It was also found that the American Iron and Steel Institute (AISI) and the Australian and New Zealand Standards were over-conservative by around 15% for built-up columns failed through overall buckling, however AISI and AS/NZS were un-conservative by around 8% for built-up columns mainly failed by local buckling.
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참고문헌 (31)
참고문헌 신청
ABAQUS / 2014 / Version 6.14-2 / SIMULIA
American Iron and Steel Institute / 2012 / North American specification for the design of cold-formed Steel Structural Members;, NAS S100
Anbarasu, M. / 2015 / Investigation on the behaviour and strength of cold-formed steel web stiffened built-up battened columns / Mater. Struct. 48(12):4029~4038
Aslani, F. / 1991 / An analytical criterion for buckling strength of built-up compression members / J. Struct. Eng. Am. Soc. Civil Engr. 28(4):159~168
Kenneth A. Biggs / 2015 / Experimental testing of cold-formed built-up members in pure compression / Steel and Composite Structures, An International Journal 18(6):1331~1351
American Iron and Steel Institute / 2012 / North American specification for the design of cold-formed Steel Structural Members;, NAS S100
Anbarasu, M. / 2015 / Investigation on the behaviour and strength of cold-formed steel web stiffened built-up battened columns / Mater. Struct. 48(12):4029~4038
Aslani, F. / 1991 / An analytical criterion for buckling strength of built-up compression members / J. Struct. Eng. Am. Soc. Civil Engr. 28(4):159~168
Kenneth A. Biggs / 2015 / Experimental testing of cold-formed built-up members in pure compression / Steel and Composite Structures, An International Journal 18(6):1331~1351
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