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Separation of structural and practical functionalities for wearing courses on steel box girders

 Separation of structural and practical functionalities for wearing courses on steel box girders
Author(s): ORCID, ,
Presented at IABSE Symposium: Improving Infrastructure Worldwide, Weimar, Germany, 19-21 September 2007, published in , pp. 82-83
DOI: 10.2749/222137807796119799
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Steel box girders are frequently used for road bridges. They are an economical solution and are easily built using modern construction techniques. During the day, a box section is subjected to the ...
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Bibliographic Details

Author(s): ORCID


Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Improving Infrastructure Worldwide, Weimar, Germany, 19-21 September 2007
Published in:
Page(s): 82-83 Total no. of pages: 8
Page(s): 82-83
Total no. of pages: 8
Year: 2007
DOI: 10.2749/222137807796119799
Abstract:

Steel box girders are frequently used for road bridges. They are an economical solution and are easily built using modern construction techniques. During the day, a box section is subjected to the influence of the diurnal solar radiation cycle. This paper describes a new research project which focuses on the quantification of the thermal behaviour of these steel boxes. The objective of the research is to reach a new and fundamental insight in the problem and the behaviour of closed steel box girders, subjected to a variable thermal load, and the repercussions of such a loading combined with the live load on the stability of the box section, be it as the main arch of the bridge or as a part of the deck structure. This paper reports on the initial results of the finite element modelling of such thermal loading and its consequences for future wearing courses, which would benefit from a separation of the structural and practical functionalities.

Keywords:
bridges box girders solar radiation orthotropic plated bridge deck thermal loading wearing courses