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    Cold-Formed High-Strength Steel Tubular Structural Members under Combined Bending and Bearing

    Source: Journal of Structural Engineering:;2019:;Volume ( 145 ):;issue: 008
    Author:
    Hai-Ting Li
    ,
    Ben Young
    DOI: 10.1061/(ASCE)ST.1943-541X.0002371
    Publisher: American Society of Civil Engineers
    Abstract: This paper presents experimental and numerical investigations of cold-formed high-strength steel (CFHSS) tubular structural members under combined bending and bearing. A test program that contained 33 experiments was undertaken on square hollow sections (SHSs) and rectangular hollow sections (RHSs) with nominal yield strengths up to 900 MPa. The combined bending and bearing experiments were performed under the interior-one-flange bearing load case as per the North American Specification (NAS). Finite-element models were built and validated with the experiments; a parametric study was undertaken upon validation. The experimentally and numerically obtained results were compared with nominal resistances as per the NAS and European Code (EC3) to examine their applicability to CFHSS SHS/RHS members under combined bending and bearing. Overall, the comparisons reveal that the NAS provisions were generally conservative whereas the EC3 provisions were overly conservative. It is shown that the codified bending and bearing interaction formulas can be used for CFHSS SHS/RHS members, while more accurate predictions can be achieved using recently proposed bearing design rules.
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      Cold-Formed High-Strength Steel Tubular Structural Members under Combined Bending and Bearing

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    • Journal of Structural Engineering

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    contributor authorHai-Ting Li
    contributor authorBen Young
    date accessioned2019-09-18T10:38:05Z
    date available2019-09-18T10:38:05Z
    date issued2019
    identifier other%28ASCE%29ST.1943-541X.0002371.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4259627
    description abstractThis paper presents experimental and numerical investigations of cold-formed high-strength steel (CFHSS) tubular structural members under combined bending and bearing. A test program that contained 33 experiments was undertaken on square hollow sections (SHSs) and rectangular hollow sections (RHSs) with nominal yield strengths up to 900 MPa. The combined bending and bearing experiments were performed under the interior-one-flange bearing load case as per the North American Specification (NAS). Finite-element models were built and validated with the experiments; a parametric study was undertaken upon validation. The experimentally and numerically obtained results were compared with nominal resistances as per the NAS and European Code (EC3) to examine their applicability to CFHSS SHS/RHS members under combined bending and bearing. Overall, the comparisons reveal that the NAS provisions were generally conservative whereas the EC3 provisions were overly conservative. It is shown that the codified bending and bearing interaction formulas can be used for CFHSS SHS/RHS members, while more accurate predictions can be achieved using recently proposed bearing design rules.
    publisherAmerican Society of Civil Engineers
    titleCold-Formed High-Strength Steel Tubular Structural Members under Combined Bending and Bearing
    typeJournal Paper
    journal volume145
    journal issue8
    journal titleJournal of Structural Engineering
    identifier doi10.1061/(ASCE)ST.1943-541X.0002371
    page04019081
    treeJournal of Structural Engineering:;2019:;Volume ( 145 ):;issue: 008
    contenttypeFulltext
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