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The use of eccentric beam elements in the analysis of slab-on-girder bridges

Chan, Tommy H.T. & Chan, Jeffrey H.F. (1999) The use of eccentric beam elements in the analysis of slab-on-girder bridges. Structural Engineering and Mechanics, 8(1), pp. 85-102.

Abstract

With the advent of computer, the finite element method has become a most powerful numerical method for structural analysis. However, bridge designers are reluctant to use it in their designs because of its complex nature and its being time consuming in the preparation of the input data and analyzing the results. This paper describes the development of a computer based finite element model using the idea of eccentric beam elements for the analysis of slab-on-girder bridges. The proposed method is supported by a laboratory test using a reinforced concrete bridge model. Other bridge analytical schemes are also introduced and compared with the proposed method. The main aim of the comparison is to prove the effectiveness of the shell and eccentric beam modelling in the studies of lateral load distribution of slab-on-girder bridges. It is concluded that the proposed finite element method gives a closer to real idealization and its developed computer program, SHECAN, is also very simple to use. It is highly recommended to use it as an analytical tool for the design of slab-on-girder bridges.

Impact and interest:

17 citations in Web of Science®
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ID Code: 12817
Item Type: Journal Article
Additional Information: For more information, please refer to the journal's website (see hypertext link) or contact the author.
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Keywords: bridge deck analysis, eccentric beam model, finite element methods, grillage analogy method, lateral load distribution, rigid link element, semi, continuum method, slab, on, girder bridge, WHEEL LOAD DISTRIBUTION, HIGHWAY BRIDGES
ISSN: 1225-4568
Subjects: Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > CIVIL ENGINEERING (090500) > Structural Engineering (090506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 1999 Techno-Press Ltd
Deposited On: 03 Mar 2008
Last Modified: 10 Aug 2011 23:31

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