Static molds – In situ construction engineering type or building type-mold... – Forming building structure
Patent
1994-12-16
1997-07-01
Woo, Jay H.
Static molds
In situ construction engineering type or building type-mold...
Forming building structure
249 38, 249 39, 249 40, 249190, 249192, 264333, B28B 722
Patent
active
056434880
ABSTRACT:
A form assembly is disclosed for forming vertical concrete walls for prefabricated apartment and office modules. The form assembly has a wall form having a plurality of internal wall forms and corresponding external wall forms. The wall form is connected to a support structure, and a plurality of hydraulic lifting cylinders connect to the support structure to raise and lower the wall form. The form assembly may also have hydraulic open and close mechanisms, hydraulic form ties and a control console for the hydraulic system. External corner mechanisms may be provided for locking the external form corners in place prior to concrete pouring. An efficient method of manufacturing the modules includes several steps. Slab reinforcement bars and conduits are layed on a slab deck. Concrete is poured over the slab reinforcement bars and conduits to form a slab. Wall reinforcement bars and conduits are erected on the slab for vertical walls. Form pairs are hydraulically lowered and are hydraulically closed about the pattern of wall reinforcement bars and conduits. Concrete is poured into the closed form pairs, and the concrete is steam cured. The form pairs are hydraulically opened and raised.
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ASI Building System Booklet--No Date.
Daewoo Hawaii Corporation
Leyson Joseph
Woo Jay H.
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