AutoCAD · Structural Detailing · RMIT Engineering

Steel Portal Frame
— Connection Details

PSSD · Structural Detailing · 2025

Structural connection details for a steel portal frame, drafted in AutoCAD. Covers column cap and base plates, roof bracing connections, flybraces, girt connections, and wall brace assemblies.

All drawings produced in accordance with Australian Standards.

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Layout 9 · Sheet 7 · Scale 1:16

Typical Column Cap & Base Detail

Column cap plate with butt weld to flanges and web, and base plate assembly on non-shrink grout with chemical anchors. Wall bracing members noted but omitted for clarity.

Typical column cap and base plate detail with weld and bolt callouts
Layout 10 · Sheet 8

Roof Bracing Connection & Flybrace Detail

Roof bracing rod connection at a mid-span purlin, and flybrace cleat detail restraining the compression flange against lateral buckling.

RD1 roof bracing connection detail and typical flybrace detail
Layout 11 & 12 · Sheet 10

Girt Connection & Wall Brace Detail

Mid-span girt-to-column connection with slotted holes and wall sheeting attachment, and wall brace gusset plate assemblies at the column and beam flange.

Girt-to-column connection detail C2D/PRB4 and wall brace gusset plate detail