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    Preliminary Design of a Steel Composite Girder Bridge with Cable Supported Arch

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    AI Summary

    • A MIDAS CIVIL NX webinar on the preliminary design of a hybrid bridge that combines steel composite girders with a cable-supported arch.

    • It covers modelling composite action between the girders and deck, and the structural interaction between the arch, cables, and deck system.

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    Description

    This session introduces the preliminary design of a hybrid bridge structure, in which steel composite girders work together with a cable-supported arch. It sets out the conceptual and analytical workflow for this type of structure, a solution commonly used in medium- to long-span bridges where aesthetics and structural efficiency need to go hand in hand.

    The case study in MIDAS CIVIL NX shows how to model the composite action between the steel girders and the concrete deck, and how the arch, cables and deck are brought together into a single analysis model. Particular attention is given to how loads are shared and transferred between these components, which governs the behaviour of the whole system.

    The final part reviews the analysis results and discusses design approaches for hybrid bridges at the preliminary stage, helping engineers balance architectural intent with an efficient structural solution. 

    Key Points

    Hybrid bridge workflow: a conceptual and analytical approach to the preliminary design of steel composite girder bridges with a cable-supported arch.

    Composite action modelling: representing the interaction between steel girders and the concrete deck in MIDAS CIVIL NX.

    System interaction: understanding how the arch, cables and deck share loads, and how this informs efficient, architecturally driven bridge design.

    Benefit

    Free Trial License

    Official CIVIL NX License

    Speaker

    Minoas Vasileios Bampatsikos Civil and Structural Engineer MIDAS IT
    Minoas is a Civil and Structural Engineer, holding an M.Eng. in Civil Engineering and an M.Sc. in Structural Engineering both from the National Technical University of Athens (NTUA). He also holds an International/European Welding Engineer (IWE/EWE) diploma (EQF 7) and is currently pursuing his PhD at the Steel Structures Laboratory of the National Technical University of Athens (NTUA). His professional and research expertise focuses on steel, composite, and reinforced concrete structures, with an emphasis on advanced numerical analysis and modeling. His work combines practical engineering applications with academic research 
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