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Development of Simplified Method for Composite Bridge Design in Hong Kong

Chan, Tommy H.T. (1996) Development of Simplified Method for Composite Bridge Design in Hong Kong. In Chan, S.L. & Teng, J.G. (Eds.) International Conference on Advances in Steel Structures, 11-14 December, Hong Kong.

Abstract

The Structures Design Manual for Highways and Railways (SDM) recommends that the composite bridges in Hong Kong shall be designed in accordance with the requirements of BS 5400: Part 5. The methods adopted in such analysis are usually highly analytical and computer based. On the other hand, simplified methods for composite bridge designs have been widely used overseas and yet such methods have not been applied very much in Hong Kong. The use of simplified methods will not only shorten the time spent on analysis, but will also permit the designer to retain a "feel" of behaviour of the bridge which is usually lost in traditional analyses. Previous reports have demonstrate its application to composite slab-on-girder bridges with two lanes in Hong Kong. This paper is aimed at developing a simplified method for composite bridges with more than two lanes. The proposed method has taken into account some aspects of a bridge that influence its load distribution. The proposed method is in a graphical form. Manual calculations employing formulae and charts are used to calculate the critical forces at internal and external girders. The results from the proposed method do not deviate significantly from those obtained by other rigorous bridge deck analyses. The calculated design forces for the girders could then be used for further steel design.

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ID Code: 12886
Item Type: Conference Paper
Additional Information: For more information, please refer to the publisher's website (see hypertext link) or contact the author.
Additional URLs:
Keywords: Slab, on, girder bridges, composite structures, design codes, bridge analysis, load distribution, simplified methods, semicontinuum method
ISBN: 0080428304
Subjects: 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
Past > Schools > School of Urban Development
Copyright Owner: Copyright 1996 Elsevier
Deposited On: 05 Mar 2008
Last Modified: 12 May 2009 13:37

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