Variegated stirrup mat

Details Variegated stirrup mat Variegated stirrup mat

1979-05-04

1981-10-20

Bryant, III, James E.

Pipes and tubular conduits

Reinforced

With embedded element

138172, 140107, 52662, F16L 5500, B21F 2720

Patent

active

042954975

ABSTRACT:
The specification discloses a method and stirrup mat for reinforcing concrete pipe which enables one to concentrate steel where it is needed at the area nearest the crown and invert of the pipe, yet still stirrup the entire area from 45 to 60 degrees to either side of the crown or invert. Also, by employing stirrups which are shorter towards the lateral edges of the mat than towards the center, one can use the present mat in an elliptical cage which is located in a round pipe or an elliptical pipe shaped wherein the elliptical cage is more elongated than the ellipse of the inner diameter of the pipe.

REFERENCES:
patent: 2717615 (1955-09-01), Peckworth
patent: 3840054 (1974-10-01), Tolliver
patent: 3857416 (1974-12-01), Borodin et al.
patent: 4184520 (1980-01-01), Tolliver

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