Static structures (e.g. – buildings) – Openwork; e.g. – truss – trellis – grille – screen – frame – or... – Three-dimensional space-defining
Patent
1995-05-15
1998-06-23
Friedman, Carl D.
Static structures (e.g., buildings)
Openwork; e.g., truss, trellis, grille, screen, frame, or...
Three-dimensional space-defining
5222314, 52600, 526492, 527302, 527401, 52DIG7, 156172, 156173, 156175, 264103, 428 363, 428902, E04C 334
Patent
active
057688478
ABSTRACT:
Concrete structures, such as beams, columns, decks, walls, and the like are reinforced by advanced fibrous composite, concrete reinforcing devices, embedded in concrete, the devices comprising, respectively, at least one continuous band of tow, yarn, or strand of high strength, high modulus, fibrous laminate material having a multitude of very fine structural filaments as laminae bonded together in endless belt formation, such band or bands forming a bar of endless belt formation having at least two length portions extending longitudinally in substantially coextensive spaced relationship as load-bearing tendons, with end portions continuing around opposite ends of the device in unbroken continuity. The tendons of the bar may be either straight or deflected and may be pre-tensioned or post-tensioned. A band may be interlaced as a continuous perimeter, mesh shell. The invention includes both method and apparatus for making the device in its various forms and reinforced concrete structures wherein the concrete reinforcing devices are anchored externally of the surfaces of precast concrete structures to become tension systems of such structures.
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Friedman Carl D.
Wilkens Kevin D.
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