An experimental study on an innovative composite floor system that can be demounted and deconstructed is described. In this system, the composite slab, formed with profiled metal decking, was connected to a steel beam by way of demountable shear connectors. A full-scale demountable composite floor system (DCFS) was tested to ultimate load-bearing capacity and compared with a similar non-demountable composite floor system specimen using conventional welded headed stud connectors. The experimental results and observations showed that the structural behaviour and load-bearing capacity of both composite floor systems were very similar. However, the composite floor system with demountable shear connectors could be deconstructed after testing and the composite slab could be easily detached from the steel beam. The comparison and analysis presented in this paper indicate that the simple design methods currently provided in Eurocode 4 for welded shear connections could be used to assess the ultimate moment capacity of DCFSs.
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January 2018
Research Article|
May 15 2017
Testing of composite beam with demountable shear connectors Available to Purchase
Naveed Rehman, MEng (Hons);
Naveed Rehman, MEng (Hons)
PhD Candidate
School of Engineering, University of Bradford, Bradford, UK
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Dennis Lam, BEng, MPhil, PhD, CEng, MICE, FIStructE, MASCE;
Dennis Lam, BEng, MPhil, PhD, CEng, MICE, FIStructE, MASCE
Chair in Structural Engineering & Director of Bradford Centre for Sustainable Environments
School of Engineering, University of Bradford, Bradford, UK (corresponding author: d.lam1@bradford.ac.uk)
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Xianghe Dai, BEng, MSc, PhD, CEng, MIStructE, FHEA;
Xianghe Dai, BEng, MSc, PhD, CEng, MIStructE, FHEA
Senior Lecturer in Structural Engineering
School of Engineering, University of Bradford, Bradford, UK
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Ashraf Ashour, BSc (Hons), MSc, PhD, CEng, FIStructE, FHEA
Ashraf Ashour, BSc (Hons), MSc, PhD, CEng, FIStructE, FHEA
Professor of Structural Engineering
School of Engineering, University of Bradford, Bradford, UK
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Publisher: Emerald Publishing
Received:
September 10 2016
Accepted:
March 28 2017
Online ISSN: 1751-7702
Print ISSN: 0965-0911
ICE Publishing: All rights reserved
2017
Proceedings of the Institution of Civil Engineers - Structures and Buildings (2018) 171 (1): 3–16.
Article history
Received:
September 10 2016
Accepted:
March 28 2017
Citation
Rehman N, Lam D, Dai X, Ashour A (2018), "Testing of composite beam with demountable shear connectors". Proceedings of the Institution of Civil Engineers - Structures and Buildings, Vol. 171 No. 1 pp. 3–16, doi: https://doi.org/10.1680/jstbu.16.00172
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