Information GUIDE FOR GDOT BOX BEAM BASIC DRAWINGS AND DESIGN
The following tables provide information to be used in developing Box Beam bridge plans. DC and DW loads are provided to aid in determining the bearing load of each beam.
Information Guidelines for Adjacent Precast Concrete Box-Beam Bridge
The researchers developed three-dimensional FEA models to simulate the behavior of adjacent box-beam bridges under various loading and environmental conditions.
Information Adjacent Box Beam Connections: Performance and Optimization
It was found that UHPC connections can be a resilient and innovative solution to prevent connection degradation in adjacent box beam superstructure systems, advancing the state of the
Information PRECAST PRESTRESSED BOX BEAMS
Non-epoxy reinforcement may be used for fabrication purposes, only, provided that the steel is not used in the top 5" of the beam and the location of the steel is indicated on the shop drawings.
Information Section 9: Pretensioned Concrete Box Beams
For box beams with a composite concrete slab overlay, compute deflections due to slab weight and composite dead loads assuming the beam and slab to have the same modulus of elasticity.
Information 751.21 Prestressed Concrete Slab and Box Beams
For beams that have excessive haunch or beam steps, create new S2 bars and adjust heights in one-inch increments or provide #4 hairpin bars in accordance with EPG 751.10.1.14 Girder
Information Prestressing Design of Beams
Distribution factor for moment in interior beam, DFMIB = (DFMI) (RM) = 0.581 lanes/beam Distribution factor for moment in exterior beam, DFMEB = (DFME) (RM) = 0.714 lanes/beam Distribution factor
Information Prestressed Concrete Box Beams Distribution Factor Spreadsheet
Since the exterior beam can be of a different width than the interior beam, the Live Load Distribution Factors need to be calculated for an interior beam that has the same width as the exterior beam.
Information AASHTO Load Distribution
I designed a bridge with prestressed concrete box beams and composite concrete deck about one year ago. We used Staadpro 2005 to model the deck using elements and the graphic