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Modern Concrete Bridge Deck Analysis considering the Effects of Cracking

Collings, David and Sagaseta, Juan (2019) Modern Concrete Bridge Deck Analysis considering the Effects of Cracking Proceedings of the ICE - Structures and Buildings.

Modern Concrete Bridge Deck Analysis considering the Effects of Cracking.pdf - Accepted version Manuscript

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This paper outlines a refinement to current grillage and linear finite element analysis methods to better estimate the behaviour of reinforced concrete deck slabs on prestressed beam or steel girder bridges, suitable for modern codes of practice and computerised methods. The work is part of research aimed at unlocking the potential of compressive membrane action. The paper proposes a three-phase approach for the prediction of cracking, deflections, ductility and load capacity. The method increases the accuracy of current grillage and conventional linear finite element methods by taking into account flexural cracking extensions using an effective strain method. The method gives better estimates of deflections at serviceability and allows for better estimates of the ultimate load capacity of existing bridges. This results in more economic reinforcement designs with lower carbon footprint for new bridges.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Civil and Environmental Engineering
Authors :
Date : 2019
DOI : 10.1680/jstbu.19.00054
Copyright Disclaimer : Copyright © ICE Publishing, all rights reserved.
Uncontrolled Keywords : Bridges; Slabs and plates; Concrete structures; Design methods; Cracking; Compressive Membrane Action
Related URLs :
Depositing User : Clive Harris
Date Deposited : 01 Jul 2019 09:56
Last Modified : 01 Jul 2019 09:56

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