Structural Steel

Gypsum-Concrete Decks

Poured gypsum concrete is typically used in conjunction with steel bulb tees, formboards, and galvanized reinforcing mesh (Fig. 8.14). Drainage […]

Rolled Shapes

Hot-rolled, wide-flange steel shapes are the most commonly used members for multistory steel-framed construction. These shapes, which are relatively simple

Open-Web Joists

Although more frequently used for moderate- to long-span roof framing, open-web steel joists (Fig. 8.17) are sometimes used for floor framing

Lightweight Steel Framing

Cold-formed steel structural members can provide an extremely lightweight floor framing system. These members, usually C or Z shapes, are normally

Trusses

When relatively long spans are involved, trusses are frequently selected for the floor-framing system. As for open-web joists, mechanical ductwork can

Stub-Girders

The primary advantage of the stub-girder system is that it provides ample space for routing mechanical ductwork throughout a floor

Staggered Trusses

In an effort to provide a structural-steel framing system with a minimum floor-to- floor height for multistory residential construction, the staggered

Castellated Beams

A special fabrication technique is applied to wide-flange shapes to produce castellated beams. This technique consists of cutting the web

ASD versus LRFD

results in lighter or shallower members. For example, LRFD will typically result in material savings in the range of 10 to

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