AASHTO LRFD COMPOSITE STEEL GIRDER BRIDGE GIRDER NEGATIVE FLEXURAL RESISTANCE FOR COMPACT SECTIONS

  • Check discretely braced compression flange
  • Check compactness limit for unbraced length
  • Strength limit state – stresses
  • Strength limit state – moment
  • Example

Bridge Design Flowchart

Start Material Selection Design Basis Construction Stages Preliminary Girder Design Based on Span Length & Width Dead Load Live Load Service Limit Checks Preliminary Tendon Design Prestress Losses Concrete Stress Checks at Construction Concrete Stress Checks at Service Canber and Deflection Strength Flexure Strength Shear Interface Shear Design Deck Design Bridge Modeling