Superstructure
This section defines all superstructure components for the Steel Tub Girder Bridge including girders, deck, bracing, and connections.
Overview
The superstructure consists of:
Steel Girders: Tub (box) girders with variable plate thicknesses
Deck: Composite concrete deck with cross-sections
Bracing: Internal and external cross-frames, lateral bracing, diaphragms
Connections: Bolted field splices, shear studs, bolt properties
Boundary Conditions: Bearing fixity at support locations
Sections
Define tub girder geometry and materials
Configure deck cross-sections and concrete deck
Internal/external cross-frames and lateral bracing
Field splices, shear studs, and bolt properties
Bearing fixity at supports
Complete Superstructure definition before configuring Construction staging.
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