Structural · S-66YZJ

Precast Tread Support at Steel Stringers

Materials

Concrete Steel

Elements

Stairs Arches Connections / Plates

Connections

HSS Connection

About this detail

Precast concrete stair treads bear on steel stringers sized per plan, utilizing welded angle brackets for support. The exterior stringer assembly features an L1 1/2x1 1/2x3/16 by zero foot eight inch long angle centered at the tread, welded with one-eighth inch fillet welds. The interior stringer assembly incorporates a WT7x11 tee section, centered to the stringer and ripped to match the stringer angle. Fillet welds connect plates to angle legs with specified sizes and spacing typical at each end.

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