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Assessment of flat deck metallic plates - Yield line and membrane analyses

Imam, BM and Collins, J (2013) Assessment of flat deck metallic plates - Yield line and membrane analyses Journal of Constructional Steel Research, 82. pp. 131-141.

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A large number of metallic riveted bridges have been constructed using flat plates to form the deck of the structure. When assessed using traditional elastic methods these plates are routinely found to be under capacity for the application of the prescribed load even though they show zero signs of distress. This paper considers the use of alternative methods of assessment, namely yield line and membrane analyses, utilising the beneficial effects of plastic methods of analysis where appropriate to enhance the assessed capacity of these failing plates. The analytical formulation of both methods is presented considering the effects of the plate aspect ratio, support conditions, the presence of stiffeners, plate thicknesses and rivet sizes. By comparing the reassessed capacities of the plates obtained through the refined methods with the original assessed capacities it is shown that the former offer considerable enhancements in assessed capacity ranging between a factor of 1.3 to 7. © 2012 Elsevier Ltd.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
Imam, BM
Collins, J
Date : 2013
DOI : 10.1016/j.jcsr.2012.12.011
Additional Information : NOTICE: this is the author’s version of a work that was accepted for publication in Journal of Constructional Steel Research. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Constructional Steel Research,(82), March 2013, DOI 10.1016/j.jcsr.2012.12.011.
Depositing User : Symplectic Elements
Date Deposited : 11 Sep 2013 11:26
Last Modified : 31 Oct 2017 15:10

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