Structural · S-7RPVX

Plenum Beam Support Detail

Materials

Concrete Steel Masonry / CMU

Elements

Beams Floors / Slabs Anchors / Embeds

Connections

Bolted Connection Embed Plate

About this detail

A W24 steel beam sized per plan is suspended below an existing concrete slab with a one-and-a-half-inch gap. Two L8x4x1/2 by zero-foot-five-inch angles are welded to the beam web on each side using quarter-inch fillets on three sides typical. Each angle is secured to the underside of the existing slab with two three-quarter-inch-diameter Hilti KB-TZ expansion anchors with three-and-a-quarter-inch embedment typical. Three-quarter-inch plates are positioned on each side with two three-quarter-inch bolts typical. Nonshrink grout is placed to provide a flat, even, and full bearing along the length of the beam, which must be cured and inspected prior to demolition of the slab.

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