Structural · S-VVX5X

Lightweight Concrete Topping Slab on Roof Deck and Steel Beam

Materials

Concrete Steel Timber / Wood

Elements

Floors / Slabs

Connections

Bolted Connection

About this detail

A lightweight concrete topping slab bears on a roof deck and steel beam framing, which is supported by a W16X26 beam and angles welded in place with three-sixteenths-inch fillet welds. The lower vertical support consists of a timber post with a 3/8-inch cap plate and a 3/8-inch by 7-inch by 8-inch plate with standard holes connected using two bolts, finger tightened only, in a vertical laminated strand lumber member with a 4-inch gauge. An elevation rail support per sheet S-527 connects to the timber framing. The assembly accommodates a 2-foot 4-inch dimension between structural grid locations with a 4-inch offset for the lightweight concrete topping slab on geofoam.

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