Variegated stirrup mat
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United States of America Patent
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Oct 20, 1981
Grant Date -
N/A
app pub date -
May 4, 1979
filing date -
May 4, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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