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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.41 No.2
- 발행연도
- 2021.10
- 수록면
- 193 - 207 (15page)
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초록· 키워드
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Structural performance of a new type of lightweight steel-timber composite (STC) beam has been investigated by conducting four-point bending tests on 21 specimens. This paper presents key findings on its structural performance parameters such as failure modes, load-deflection response, load-slip response, load-strain response, and the ultimate bending capacity by grouping 21 specimens into 7 subgroups based on various geometric characteristics. In the proposed STC beams, glulam slabs were connected to the steel beams using high-strength bolts, and the effect of different thickness and width of glulam slabs on the structural behaviour of STC beams were carefully investigated. In addition, the effective bending stiffness, deflection, and bending capacity of the STC beams were theoretically calculated based on elastic theory and compared with experimental values. For all considered specimens, timber slabs and steel beams showed good composite action. Increasing the thickness and width of the timber slabs can effectively limit the lateral deformation of the specimens, improve the bending capacity of the specimens, and provides a secant stiffness to the STC beams. It was observed that for the whole cross section of STC beams, the plane section assumption is not applicable, but the strains on timber and steel seemed to satisfy the plane section assumption individually. γ (Gamma) method has been observed to better reflect the deformation capacity of STC beams. Analytical equations were derived to predict the elastic bending capacity of STC beams, and comparison between theoretical and experimental values showed good agreement.
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참고문헌 (42)
참고문헌 신청
2012 / ANSI A190.1 Standard for wood products-Structural glued laminated timber / American Society for Testing and Materials International
Ashraf, M. / 2021 / Semi-rigid behaviour of stainless steel beam-to-column bolted connections / Sustainable Structures 1(1):000002
2016 / ASTM A370-16 Standard Test Methods and Definitions for Mechanical Testing of Steel Products / American Society for Testing and Materials International
2014 / ASTM D143-14 Standard Test Methods for Small Clear Specimens of Timber / American Society for Testing and Materials International
2015 / ASTM D198 Standard Test Methods of Static Tests of Lumber in Structural Sizes / American Society for Testing and Materials International
Ashraf, M. / 2021 / Semi-rigid behaviour of stainless steel beam-to-column bolted connections / Sustainable Structures 1(1):000002
2016 / ASTM A370-16 Standard Test Methods and Definitions for Mechanical Testing of Steel Products / American Society for Testing and Materials International
2014 / ASTM D143-14 Standard Test Methods for Small Clear Specimens of Timber / American Society for Testing and Materials International
2015 / ASTM D198 Standard Test Methods of Static Tests of Lumber in Structural Sizes / American Society for Testing and Materials International
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