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About the history of orthotropic bridge decks

  • Тhe development of steel bridges after the WWII is characterized by new constructive forms like: steel roadway closed sections, new static systems considering the roadway as a plate rather than a beam grid, new computational methods covering rod statics and statics of continuum, and determining the internal forces of the roadway as internal forces of an orthotropic plate. Moreover, the main girders, the roadway and the horizontal links connect statically and constructively in a whole monolithic structure. Thus, the construction follows better the real distribution of internal forces in steel structure. Loading possibility of high-quality steel material is well used, by which the economic effect of the construction increases significantly compared to the riveted old bridges. The application of this theory in Bulgaria in the period 1976 – 1992 allowed the Bulgarian bridge construction to build several unique by their size steel road bridges of steel orthotropic decks.

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Author: Doncho Partov, Hartmut PasternakORCiD, Milen Petkov, Radoslav Nikolov, Antoaneta Dimitrova
ISSN:1310-814X
Title of the source (English):Annual of the University of Architecture, Civil Engineering and Geodesy, Sofia
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2018
Volume/Year:51
Issue number:4
First Page:295
Last Page:311
Faculty/Chair:Fakultät 6 Architektur, Bauingenieurwesen und Stadtplanung / FG Stahl- und Holzbau
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