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The influence of joints and composite floor slabs on effective tying of steel structures in preventing progressive collapse

Yu, M., Zha, X. and Ye, J. (2010) The influence of joints and composite floor slabs on effective tying of steel structures in preventing progressive collapse. Journal of Constructional Steel Research, 66 (3). 442-451 . ISSN 0143-974X

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The event of the terrorist attack at 11th September 2001 in the USA has attracted increasing attention of researchers and engineers on progressive collapse of structures. It has gradually become a general practice for engineers to consider progressive collapse resistance in their design. In this paper, progressive collapse of steel frames with composite floor slabs is simulated by the finite element method. The numerical results are compared with test results. The influence of the joints and the concrete slabs on the effective tying of steel beams is investigated through parametric studies. From the analysis, methods of preventing progressive collapse that can be considered in design and when retrofitting existing structures are proposed. The results show that retrofitting a structure with pre-stressed steel cables and an increase of crack resistance in the concrete near joints can effectively improve effective tying of a structure, which results in an enhanced structural capacity in preventing progressive collapse.

Item Type: Article
Copyright, Publisher and Additional Information: This is an author produced version of a paper accepted for publication in 'Journal of Construction Steel Research'. Uploaded in accordance with the publisher's self-archiving policy.
Keywords: progressive collapse; composite floor slab; joint; effective tying
Institution: The University of Leeds
Academic Units: The University of Leeds > Faculty of Engineering (Leeds) > School of Civil Engineering (Leeds) > Institute for Resilient Infrastructure (Leeds)
Depositing User: Miss Elizabeth Winning
Date Deposited: 21 Oct 2009 09:40
Last Modified: 04 Jun 2014 08:29
Published Version: http://dx.doi.org/10.1016/j.jcsr.2009.10.008
Status: Published
Publisher: Elsevier
Refereed: Yes
Identification Number: 10.1016/j.jcsr.2009.10.008
URI: http://eprints.whiterose.ac.uk/id/eprint/9868

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