Structural · A-EMQ94

Concrete Stair Landing Slab Connection at Steel Column

Materials

Concrete Steel Metal (misc.)

Elements

Columns Beams Stairs Floors / Slabs Decks Bracing Connections / Plates Reinforcing

Connections

HSS Connection Bracing Connection Bolted Connection

About this detail

An intermediate stair landing slab is supported by a C12x20.7 or equal steel channel beam framed into a hollow structural section 4x4x3/8 steel column. The beam connects to the column via a 3/8-inch by 3-1/2-inch by 9-inch shear plate secured with three 3/4-inch diameter ASTM A325-N bolts. The column features a 1/2-inch thick cap plate at the top and is braced with a diagonal L3x3x1/4 angle coped as required. Additional notes specify that stair landing support columns may be continuous, intermediate stair landings are to bear on the floor below, and edge angles, metal deck, and slab reinforcing are to be provided as required.

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