A supported steel beam frames into a supporting steel beam via a seated connection. The support member receives a plate-slot cut sized to match the beam flange thickness and width, providing a bearing seat of at least half the beam depth with a six-inch minimum. Three-eighths-inch thick stiffener plates are welded to both sides of the supporting beam web, centered with the supported beam. Seven-eighths-inch diameter A325-N bolts secure the connection on beam gauges, with one near-side and one far-side bolt. Three-eighths-inch stiffener plates are also provided on both sides of the seat. Fillet welds of one-quarter-inch size are applied on three sides typically.
NOTES: tf = BEAM FLANGE THICKNESS bf = BEAM FLANGE WIDTH PL tf x bf SLOT FOR BEAM WEB BEAM SEE PLAN TO STEEL SEE PLAN BEAM SEE PLAN 3/8" STIFF PL'S CENTERED AT WEB OF SUPPORTED BEAM 3/8" STIFF PL BOTH SIDES 7/8"Ø A325N BOLTS ON BEAM GAGES ONE NS & ONE FS) 1.75 bf tf/2 DEPTH (6" MIN) MIN 1/2 BEAM 1/4 3 SIDES TYP tf/2
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