MIDAS Learning Program for
STAGED CONSTRUCTION ANALYSIS

not just for design submissions but also for 
more realistic & flexible construction simulation

 

 Program Summary 

Bridge constructability check is becoming more and more crucial as more agencies require structural engineers to perform erection check, new construction technologies are developed, and the majority of existing infrastructures are aged and require careful assessment of any modification on the structure. However, accurate simulation of bridge construction requires a lot of effort and time and often become an overkill. Therefore, it is important for structural engineers to be aware of different options and limitations and the right tool for maximum efficiency.

During March 2018, MIDAS is providing a learning program on staged construction analysis for all types of structures and projects. We would like to share what are the critical engineering and construction issues for different kinds of bridges and how to simulate them accurately and efficiently without an overkill.

 

 

 

Solutions to Various Issues on Staged Construction Analysis

for All Bridge and Project Types

 

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    Complex Steel Bridges

    •        Efficient handling of
      • Deck erection for long-spans
      • Skew/curve/split/merge
      • Girder local buckling check
      • Detailed truss members
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    Post-Tension Composite

    • Efficient modeling and management of numerous tendon strands
    • Time dependent creep and shrinkage effects
    • Detailed breakdown of stress loss
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    Segmental Bridges

    • Wizards for all segmental construction types - efficient preliminary design
    • Measurement and control of camber displacement
    • Detailed stress loss breakdowns on each stage

     

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    Suspension Bridges

    • Modeling Wizard
    • Large displacement analysis
    • Small displacement analysis
    • Optimize truss forces
    • Inequilibrium state analysis (forward and backward)
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    Cable-Stayed Bridges

    • Automatic cable optimizations
      (reduce months of iteration process to 2 weeks)
    • Large number of elements and long analysis time
    • Consideration of geometric nonlinearity, camber and multiple tensioning of cables 
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    Rehab & Special Issues

    • Realistically model and analyze actual rehab stages
    • Solve special construction issues that can be examined only with a 3D model and irregular stage set up