Concrete forming system for curved walls

Details Concrete forming system for curved walls Concrete forming system for curved walls

E - Fixed Constructions

04

G

72/72

E04G 11/06 (2006.01)

Patent

CA 1298481

ABSTRACT OF THE INVENTION A curved concrete forming structure to provide a 1000 psf system for forming curved walls having a radius in excess of 5'. The structure includes a series of arcuately curved metallic panels secured in stacked side-by-side assembly. The improvement particularly concerns a panel which is comprised of a flexible metallic skin plate. Spaced vertically extending ribs are positioned along the length of the panel on one side thereof. The ribs and the skin plate have essentially the same vertical dimensions. A pair of vertically spaced arcuately curved angles are provided which angles have identical diameters that correspond to the diameter of the concrete wall to be poured using the concrete forming structure. The curved angles are substantially stiffer and inflexible compared to the flexible skin plate. Means or fasteners secure the curved angles in abutment with opposite ends of the ribs, and with the flexible skin plate being moved from a flat form and secured by the means in a curved form corresponding in diameter to the arcuately curved angles to form said arcuately curved panel, the curved panels being assembled in stacked assembly providing a smooth continuous radius free of chords or flat spots.

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