Static structures (e.g. – buildings) – Insulating insert; e.g. – filler in cavity in preconstructed... – Stonelike type shell
Patent
1980-07-03
1983-06-14
Murtagh, John E.
Static structures (e.g., buildings)
Insulating insert; e.g., filler in cavity in preconstructed...
Stonelike type shell
52600, 52601, E04B 523
Patent
active
043875440
ABSTRACT:
A novel metallic reinforcing strip as described for use in cementitious construction elements. The reinforcing strip in one form comprises an elongated unitary strip having a substantially flat central web portion, with the side edges of the web merging by way of rounded corners of small radius into flange portions extending away from the central web. At least the free longitudinal edges of the flanges are inclined inwardly and these longitudinal flange edges have longitudinally spaced rounded depressions of small radius pressed downwardly therein. These depressions cause associated deformation of the flanges less than the full depth of the flanges, leaving substantially undeformed longitudinal portions of the flanges adjacent the central web and outwardly bowed portions of the flange edges between the rounded depressions. These contours provide a double curvature providing maximum membrane resistance within the reinforcing strip with minimum bending or flexing stresses. When these flanges with the double curvature are embedded in the construction element, the curvatures provide a mechanical interlock in both longitudinal and lateral directions, enhancing the strength and rigidity of the element.
REFERENCES:
patent: 757962 (1904-04-01), Randall
patent: 1914417 (1933-06-01), Goldsmith
patent: 2270672 (1942-01-01), Heeren
patent: 3813834 (1974-06-01), Bradley
Hall John S.
Schilger Herbert K.
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