An investigation into the lateral stability of an open topped through girder railway bridge

Rodgers, John (2016) An investigation into the lateral stability of an open topped through girder railway bridge. BEng dissertation, University of Portsmouth.

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    Abstract

    In his introduction to the proceedings of the International Conference, 13-14 February, 1973, A. W. Merrison states “[a] steel box girder is a really splendid way of building certain types of bridges.” (The Institution of Civil Engineers, 1973, p. 4) Steel box girders were a practical off-shoot that came from the construction of large stiffened wrought iron ship hulls during the latter part of 19th-century. The benefits of such a type of construction were not seen however until after the Second World War, when large scale ship manufacturing meant vast improvements in welding and gas cutting technologies. Since then they have been adopted in all aspects of engineering due mainly to their torsional rigidity, long spans and improved aesthetics. They were used widely through the 1960s in the UK until the early 1970s when bridge collapses at Milford Haven and Melbourne, AUS, meant that 42 other bridges of the same structure were given restricted access until the structures were fully assessed. A team headed by A.W. Merrison complied a set of design rules which have since become the basis of steel box girder design.

    Item Type: Dissertation
    Departments/Research Groups: Faculty of Technology > School of Civil Engineering and Surveying
    Depositing User: Beth Atkins
    Date Deposited: 01 Sep 2016 11:24
    Last Modified: 01 Sep 2016 11:24
    URI: http://eprints.port.ac.uk/id/eprint/21665

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