Method of making a concrete column with a concrete column formin

Details Method of making a concrete column with a concrete column formin Method of making a concrete column with a concrete column formin

1994-03-01

1994-12-27

Aftergut, Karen

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

Arched, domed, or vertical-cylindrical structure

264 35, 264219, 264313, B28B 700, E04B 116

Patent

active

053763165

ABSTRACT:
A lightweight concrete forming tube is disclosed, and wherein the tube has a very thin wall of wound paper layers which permit the tube to be collapsed and wound into a reel to facilitate shipment and storage. In use, the desired length is severed from the reel, and the severed length is opened and positioned about a vertically disposed steel reinforcing structure. Concrete is then poured into the opened tube, and the hydrostatic pressure of the liquid concrete causes the tube to assume a circular cross-section and straight vertical configuration. Upon hardening of the concrete, the tube is severed with a knife and removed, leaving a formed concrete column of circular and straight configuration.

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