Structural Plan Symbols

Each structural engineering office uses their own set of plan symbols; however, the symbols below are fairly standard at many offices.  Refer to the symbol legend sheet for special symbols used in a particular set. We also have another article that can help you identify structural abbreviations used in a drawing set.

Moment Connection

Moment Connection symbol

Cantilevered Moment Connection

Cantilevered Moment Connection symbol

Braced Frame

Braced Frame symbol

Steel Column Encased in Concrete

Steel Column Encased in Concrete

Slab Opening

Slab Opening symbol

Stepped or Depressed Slab

Stepped or Depressed Slab symbol

Span Direction

Span Direction symbol

Article Updated: May 12, 2021

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