2007 Winner!
Deconstructable and Reusable Composite Slab
Category: Component | Tier: Professional - Unbuilt
Submitted by: Mark
D. Webster, Dirk M. Kestner, James
C. Parker, Matthew H. Johnson
Waltham, MA—Structural
Engineers at Simpson Gumpertz & Heger, Inc.
The composite component system uses specialized bolts, serrated clamps, and cast-in channels to create a more easily disassembled system, allowing reuse of the composite slab. A serious problem with the conventional composite slab is that it is a "throw-away" system; most of the parts are completely non-reusable at the end of the building's life. The team developed a composite slab system that maintains the efficiency benefits offered by composite action, while adding near 100 percent reusability. This structure allows the slab and beam to work together to resist bending due to floor loads. The size of the steel beam can be reduced by over 30% providing both economic and environmental benefits.
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