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

Yu, Min and Zha, Xiaoxiong and Ye, Jianqiao (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). pp. 442-451. ISSN 0143-974X

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Abstract

The event of the terrorist attack on 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. (C) 2009 Elsevier Ltd. All rights reserved.

Item Type: Article
Journal or Publication Title: Journal of constructional steel research
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Departments: Faculty of Science and Technology > Engineering
ID Code: 54219
Deposited By: ep_importer_pure
Deposited On: 17 May 2012 11:20
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 23:26
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/54219

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