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    🇲🇾

    From Simply Supported to Fully Integral Integral Bridge using customized UHPC Girder Section

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    AI Summary

    The session walks through a complete workflow for integral bridges using UHPC girders — from material setup to staged construction analysis. You'll learn how to model ultra-high-performance concrete (≥140 MPa), import custom CAD sections, and capture the structural behavior transition from simply supported to integral. Key takeaways include correctly interpreting staged displacement results and applying earth pressure accurately using superposition. A practical, engineer-focused guide for anyone working on real-world integral bridge design and staged load analysis.

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    Description

    01. UHPC Material & Structural Classification

    • Concrete classification: NSC vs HSC/HPC vs UHPC (=140 MPa range)

    • Defining key mechanical properties in MIDAS (E, density, thermal coefficient)


    02. Customized Girder Section Modeling

    • Creating and importing customized CAD section into MIDAS

    • Calculating and exporting section properties as .SEC file 

    03. Modelling Sequence in MIDAS

    • End-to-end modeling workflow from material to results extraction

    • Integration of section, boundary, loading, and construction stages 

    04. Construction Stage Analysis in Integral Bridge

    • Transition from simply supported to fully integral behavior

    • Load activation logic and partial factor application in CS

    05. Stage/Step Real Displacement

    • Importance of Initial Displacement for C.S. setting

    • Correct interpretation of stage-by-stage displacement and rotation

    06. Considering earth pressure during construction stages

    • Active vs at-rest earth pressure during staged construction

    • Applying Ko-Ka and superposition principle correctly

    Who Should Attend

    Designing integral bridges using UHPC girder

    Transitioning from simply supported to fully integral systems

    Concerned about displacement accumulation and load case activation logic

    What You'll Learn

    • Properly define UHPC material properties for high-performance bridge systems
    • Create and import customized girder sections without section inconsistency
    • Set up construction stage sequences that reflect real site behavior
    • Accurately apply partial factors in staged load combinations
    • Validate stage-by-stage deformation and rotation behavior
    • Model earth pressure correctly from construction to post-construction

    Speaker

    Tan Jiunn Ket Frederick Senior Engineer Dura Technology Sdn. Bhd.

    Frederick is a Senior Engineer at Dura Technology Sdn. Bhd. with expertise in structural analysis and design of bridges using UHPFRC material. He is a professional engineer in Malaysia providing consultancy for government and private organizations on UHPFRC bridge design and construction.
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