Collapsible corrugated paper form void

Details Collapsible corrugated paper form void Collapsible corrugated paper form void

1996-10-09

1998-09-01

Smith, Creighton

Static structures (e.g., buildings)

Cast in situ concrete barrier with laterally projecting...

Block-type filler between sustainers

52576, 428182, E04B 500

Patent

active

057994552

ABSTRACT:
A form void for providing a space between a poured concrete structure and an underlying expansive soil is formed of three sheets of corrugated paper for shipping in a flat "knock-down" configuration and is erected at the construction site simply by inserting one panel into a groove between two other panels. The upper surface is comprised of three panel thicknesses, and the outer support panels are reinforced by a pair of internal support panels. The cross-sectional shape may be trapezoidal, rectangular, symmetric or non-symmetric, or have a sloped top.

REFERENCES:
patent: 3834103 (1974-09-01), Knohl
patent: 5498451 (1996-03-01), Lafond

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