Improvements in concrete roadway-slab forming and form-elevation

Details Improvements in concrete roadway-slab forming and form-elevation Improvements in concrete roadway-slab forming and form-elevation

1977-06-01

1978-10-31

Husar, Francis S.

Static molds

In situ construction engineering type or building type-mold...

Forming building structure

14 1, 249 25, 249211, E01D 100

Patent

active

041230310

ABSTRACT:
Concrete-slab forming means and more particularly improvements in means for supporting and adjusting the elevation of the forms for concrete roadway slabs which bridge the space between spaced-apart pairs of in-place girders. The forming means per se comprises a preferably plywood deck or decking disposed at a predetermined elevation and which extends between the girder pairs and is laid directly on joists in turn supported on purlins, (preferably "split" or spaced-apart purlins), extending between said girders. The supporting means therefor which also must support the concrete deck load comprises a plurality of form supporting assemblies disposed at predetermined spacings from one another along the length of the girders of the pairs thereof, and which are so constructed as to be capable, by extending substantially vertically between the foot flanges of each two parallel girders and the ends of the purlins, of supporting and adjusting the elevation of said purlins, joists, plywood deck and and thereby of the concrete deck load.

REFERENCES:
patent: 2725210 (1955-11-01), Swartz
patent: 3628765 (1971-12-01), Sanders
patent: 3960357 (1976-06-01), Honea, Jr.

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