Static structures (e.g. – buildings) – Processes – Barrier construction
Patent
1994-02-01
1995-08-29
Friedman, Carl D.
Static structures (e.g., buildings)
Processes
Barrier construction
5274509, 5274517, 5274503, 522368, 52259, E04B 116
Patent
active
054449570
ABSTRACT:
A method of building multistory structures having poured concrete slabs. Vertical structural columns and other nonstructural members penetrating the finished floor slabs are terminated at each floor below the level of the finished slab. The slab is then poured, covering the terminated structural and nonstructural members with a thin layer of concrete, and leaving an upper slab surface unencumbered by upward projections. The entire slab is then screeded by a screeding machine in one pass. In an alternative embodiment, the screeding machine makes more than one pass, but the upper surface is still unobstructed. The thin layer of concrete is readily discerned by coloration differences, and is chipped away and removed. All penetrating members are then extended. The process is repeated until all slabs are completed. The novel method is usable with both steel and poured concrete columns. In alternative embodiments, connectors enabling connection of subsequent column members, such as I-beams and rebar, are provided and protected, as by covering with frangible caps, from poured concrete. By reducing total frame construction time and screeding labor, the novel method is more economically advantageous with greater numbers of floors.
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Friedman Carl D.
Litman Richard C.
Nguyen Kien T.
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