Structural · S-Y749J

Welded Connection

Materials

Steel Metal (misc.)

Elements

Columns Beams Bracing Connections / Plates

Connections

Braced Frame Connection Shear Tab / Single Plate Gusset Plate Beam-to-Column Welded Connection Bolted Connection

About this detail

A typical beam-to-column flange connection configured for a braced frame condition without a gusset plate. The steel beam connects to the column flange using a demand-critical complete joint penetration groove weld at the top and bottom flanges, alongside a complete joint penetration weld at the web to the column. A vertical connection plate of minimum three-eighths inch thickness is secured with erection bolts as required, paired with stiffener plates at the top and bottom matching the beam flange thickness. Specific notes dictate the removal of bottom flange backing bars followed by backgouging and a continuous five-sixteenths inch minimum fillet weld between the beam underside and column flange. Additional requirements cover weld access hole geometry conforming to AWS D1.8 and weld tab removal in accordance with AISC 358-16.

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