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bridge ontologyBridge Asset › Bridge Superstructure › Main Load-carrying System › Main Girder

Prestressed Concrete Girder

bridge.superstructure.main_load_system.psc_girder
publishedEdit

Definition

Pre-tensioned or post-tensioned concrete main girder.

Class kind
component
Abstract
no
Depth
4
Origin
reference source
Ontology
engineering-reference-book.bridge v1.0.0
Aliases
PSC Girder, Prestressed Girder, PSC Beam, Prestressed Beam, AASHTO Beam
Abbreviations
PSC
Last changed
7/27/2026, 2:50:05 PM

Identification

Positive labels
Prestressed Concrete Girder, PSC Girder, Prestressed Girder, PSC, PSC Beam, Prestressed Beam, AASHTO Beam
Negative labels
Visual features
girder with tendon or duct details
Min identity clues
2

Evidence

Preferred views
elevation, cross_section, detail, schedule
Evidence types
view, detail, schedule, note, dimension, level, section_callout
Source trace required
yes

Measurements (4)

NameSymbolUnitRequired
Span LengthL_spanm/mmrequired
Cross-sectional AreaAm2/mm2required
Instance CountNcountrequired
Concrete Gradefckrequired

Relationships (0)

None declared.

BOQ items (1)

Item codeFormulaResultUnit
bridge.concrete.psc_girder.volumeA * L_span * Nvolumem3

Facets

prestressing_method
pre_tensioned, post_tensioned
shape
i, t, u, box

Validation

Blocking if missing
yes
Human review allowed
yes
  • no_evidence_no_number
  • retain_document_page_bbox_and_evidence_id
  • do_not_mix_drawing_revisions
  • do_not_average_conflicting_values
  • prefer_explicit_labels_over_shape_only
  • match_plan_elevation_and_section_when_applicable

Provenance

Basis
engineering_reference
Project values included
no
regional_terminology
no page list

Children (0)

None — this is a leaf class and can be deleted.