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  • 1
    Online Resource
    Online Resource
    BioResources ; 2022
    In:  BioResources Vol. 17, No. 4 ( 2022-9-28), p. 6397-6410
    In: BioResources, BioResources, Vol. 17, No. 4 ( 2022-9-28), p. 6397-6410
    Abstract: Shear connectors ensure effective interaction between wood beams and concrete slabs of composite beams, and their properties noticeably affect the fire resistance of timber-concrete composite beams. To investigate the shear stiffness of notched connectors in glued laminated timber (GLT)-concrete composite beams under fire conditions, 16 shear tests were conducted. The effects of fire duration and notch length on shear properties of the connectors for a given spacing were studied. The fire tests indicated that the reduction of the notch length from 200 mm to 150 mm remarkably affected the failure mode of the shear specimens, changing from compression failure of notched wood to shear failure of notched concrete. The increase in fire duration reduced effective width of the notched wood, negatively affected the shear stiffness and shear capacity of the connectors, and the shear stiffness decreased more rapidly. The notch length did not have a substantial effect on the shear stiffness of connectors. Based on the experimental results, an analytical model to estimate the shear stiffness of notched connectors in GLT-concrete beam under fire conditions was established.
    Type of Medium: Online Resource
    ISSN: 1930-2126 , 1930-2126
    URL: Issue
    Language: English
    Publisher: BioResources
    Publication Date: 2022
    detail.hit.zdb_id: 2238238-0
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  • 2
    Online Resource
    Online Resource
    BioResources ; 2022
    In:  BioResources Vol. 17, No. 4 ( 2022-9-27)
    In: BioResources, BioResources, Vol. 17, No. 4 ( 2022-9-27)
    Abstract: A timber-concrete composite structure has the advantages of energy saving, environmental protection, and low carbon, and has wide application prospects. However, the effects of fire on timber-concrete composite structures are complicated. It is important to study the fire performance of connections and their influencing factors for the promotion and application of timber-concrete composite structures. This paper summarizes the research progress of connections for timber-concrete composite structures under fire. Firstly, research on the performance of connections in timber-concrete composite structures under fire is introduced, including screwed connections, notched, and grooved connections, and steel truss plate connections. Secondly, the calculation methods focused on connections of timber-concrete composite structures under fire are introduced. Finally, the main points of modeling timber-concrete composite structures under fire are also briefly introduced.
    Type of Medium: Online Resource
    ISSN: 1930-2126 , 1930-2126
    URL: Issue
    Language: English
    Publisher: BioResources
    Publication Date: 2022
    detail.hit.zdb_id: 2238238-0
    Location Call Number Limitation Availability
    BibTip Others were also interested in ...
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