AASHTO LRFD SEGMENTAL POST-TENSIONED BOX BRIDGE MATERIALS

  • Materials and components in use
  • Concrete
  • Prestressing steel – strands
  • Prestressing steel – bars
  • Rebars
  • Cement grout
  • Ducts
  • Anchorages

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