Arcuate concrete form and system for forming arcuate concrete flatwork

摘要

A fixed form suitable for use in framing concrete with arches is described as is an adjustable form and a system for forming concrete. The fixed form has an arch with a fixed radius terminating at arch ends. At least one frame element is attached to the arch wherein the frame element terminates at an arch end at a frame face and the frame face is perpendicular to a tangent of the arch at the arch end. The adjustable form has an adjustable radius.

主权项

1. A concrete form comprising:
an arch with a fixed radius terminating at arch ends; and
two frame elements attached to said arch ends wherein each of said frame elements terminates at one of said arch ends; said frame elements having a face and said frame face is perpendicular to a tangent of said arch at said arch ends and wherein said two frame elements meet said arch ends at a joint.