Ductile hybrid structural fabric
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United States of America Patent
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Sep 14, 2004
Grant Date -
Jun 19, 2003
app pub date -
Jun 7, 2002
filing date -
Dec 19, 2001
priority date (Note) -
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Abstract
A structural fabric having a first fiber with a first ultimate strain and a second fiber with a second ultimate strain greater than the first ultimate strain, the first and second fibers being in the same plane. The invention is further directed to a structural fabric having a plurality of axial fibers and a plurality of first diagonal fibers braided with the axial fibers and oriented at a first braid angle relative thereto. The axial fibers include first and second fibers each with an ultimate strain. The ultimate strain of the second fiber again being greater than the ultimate strain of the first fiber. Additionally, the invention is directed to a concrete beam strengthened with the structural fibers of the present invention.
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