Static structures (e.g. – buildings) – Preassembled subenclosure or substructure section of unit or... – Vertically staggered
Patent
1990-07-27
1992-01-21
Chilcot, Jr., Richard E.
Static structures (e.g., buildings)
Preassembled subenclosure or substructure section of unit or...
Vertically staggered
52 799, 52 7914, 522361, 52251, E04H 100
Patent
active
050818058
ABSTRACT:
A precast concrete building unit of half-room configuration with a floor or ceiling defining web portion and opposite half-wall defining flange portions is cast by pouring concrete over steel latticework in an inverted U-shaped cavity of a wheeled mold form which has hinged sidewall plates, removable pin mounted or hinged end plates, and a width variable segmented top plate. Matching ridge and depression insert elements placed in the mold serve to form the bases of the flanges with mating tongue and groove shear keys when the units are brought into flange-to-flange upright/inverted unit pairs to form whole rooms. Staggered blocks mounted on the top edges of the top plates project into the mold to form interlocking bearing surfaces for mating diagonally positioned web-to-web upright/inverted unit pairs. Units formed in the same mold can be used for rooms, columns, shear walls, retaining walls, elevator shafts, stairwells, girders and pedestrian bridges.
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Chilcot Jr. Richard E.
Franz Warren L.
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