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Residual stiffness and strength of shear connectors in steel-concrete composite beams after being subjected to a pull-out pre-damaging: An experimental investigation
KTH, School of Architecture and the Built Environment (ABE), Civil and Architectural Engineering. Université Européenne de Bretagne, France.
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2017 (English)In: Structures, ISSN 2352-0124, Vol. 11, 189-205 p.Article in journal (Refereed) Published
Abstract [en]

Horizontal stability of the medium rise steel frame structures is usually ensured by vertical bracings and diaphragm action of composite floors. Load transfer within the composite floor system is made through shear connectors, e.g. headed studs. In an event of explosion, such connectors must reserve sufficient residual stiffness and strength in order to avoid a sudden or delayed collapse of the building. These remaining capacities have not been experimentally studied yet in the literature. This paper presents large scale horizontal push out tests to determine the residual stiffness of the shear connectors after being initially damaged by explosion. The initial damaging is reproduced by a pull-out test using a quasi-static loading. Two types of numerical simulation have also been developed using ABAQUS/CAE software to provide a better understanding of the experimental results.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 11, 189-205 p.
Keyword [en]
Composite floor, Explosion, Profile steel sheet, Pullout, Push-out, Residual strength, Shear stud
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:kth:diva-209865DOI: 10.1016/j.istruc.2017.05.003Scopus ID: 2-s2.0-85020418866OAI: oai:DiVA.org:kth-209865DiVA: diva2:1115909
Note

QC 20170627

Available from: 2017-06-27 Created: 2017-06-27 Last updated: 2017-06-27Bibliographically approved

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Heng, PisethBattini, Jean-Marc
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CiteExportLink to record
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