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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.30 No.4
- 발행연도
- 2019.1
- 수록면
- 393 - 403 (11page)
이용수
초록· 키워드
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Cold-formed steel (CFS) has a great potential to meet the global challenge of fast-track and durable construction. CFS members undergo large buckling instabilities due to their small wall thickness. CFS beams with corrugated webs have shown great resistance towards web buckling under flexure, when compared to the conventional I-sections. However, the magnitude of global imperfections significantly affects the performance of CFS members. This paper presents the first attempt made to experimentally study the effect of global imperfections on the structural efficiency of various strengthening schemes implemented in CFS beams with corrugated webs. Different strengthening schemes were adopted for two types of beams, one with large global imperfections and the other with small imperfections. Strength and stiffness characteristics of the beams were used to evaluate the structural efficiency of the various strengthening schemes adopted. Six tests were performed with simply supported end conditions, under four-point loading conditions. The load vs. mid-span displacement response, failure loads and modes of failure of the test specimens were investigated. The test results would compensate the lack of experimental data in this area of research and would help in developing numerical models for extensive studies for the development of necessary guidelines on the same. Strengthening schemes assisted in enhancing the member performance significantly, both in terms of strength and stiffness. Hence, providing an economic and time saving solution to such practical structural engineering problems.
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참고문헌 (28)
참고문헌 신청
2016 / AISI S-100, North American Specification for the Design of Cold-formed Steel Structural Members / AISI Standard
Ammash, H. K. / 2017 / Shape optimization of innovation coldformed steel columns under uniaxial compressive loading / Jordan J. Civil Eng 11(3):473~489
M. Anbarasu / 2014 / Influence of spacers on ultimate strength of intermediate length thin walled columns / Steel and Composite Structures, An International Journal 16(4):437~454
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
M.A. Dar / 2015 / Experimental study on innovative sections for cold formed steel beams / Steel and Composite Structures, An International Journal 19(6):1599~1610
Ammash, H. K. / 2017 / Shape optimization of innovation coldformed steel columns under uniaxial compressive loading / Jordan J. Civil Eng 11(3):473~489
M. Anbarasu / 2014 / Influence of spacers on ultimate strength of intermediate length thin walled columns / Steel and Composite Structures, An International Journal 16(4):437~454
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
M.A. Dar / 2015 / Experimental study on innovative sections for cold formed steel beams / Steel and Composite Structures, An International Journal 19(6):1599~1610
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