Simplified Method to Analyse Casting Sequences of Composite Bridge Slabs-Reference-Cited by-同舟云学术

Simplified Method to Analyse Casting Sequences of Composite Bridge Slabs

Published:2013 Issue: Volume: Page:
ISSN:2221-3783
Container-title:IABSE Symposium, Kolkata 2013: Long Span Bridges and Roofs - Development, Design and Implementation
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Author:

Dezi Luigino,Gara Fabrizio,Leoni Graziano

Abstract

<p>This paper presents a simplified procedure to analyse the effects of construction sequences of slabs in steel-concrete composite bridge decks. The procedure allows accounting for shrinkage and casting sequence effects. The time-dependent behaviour of the concrete is also included to capture the stress relaxation that mitigates the effects of the fast thermal shrinkage. Main features related to modelling of early-age concrete behaviour and tensile creep are discussed. The proposed simplified method is applied to evaluate the stresses in the slab of a realistic three-span composite bridge deck by considering different casting sequences. The comparison between the results obtained with the proposed method and those given by a step-by-step procedure shows the accuracy of the simplified method that can be considered a useful tool for practical applications.</p>

Publisher

International Association for Bridge and Structural Engineering (IABSE)

Reference15 articles.

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3. Behaviour of Composite Bridges during Construction

4. SAADEGHVAZIRI M. A., and HADIDI R., "Cause and control of transverse cracking in concrete bridge decks", Report FHWA-NJ-2002-019, Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA, 2002, p. 203.

5. EN1994-2, "Eurocode 4: Design of composite steel and concrete structures - Part 2: Rules for bridges", European Committee for Standardization, 2005.

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