Systems and methods for spanning structures
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United States of America Patent
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Sep 26, 2023
Grant Date -
N/A
app pub date -
Dec 22, 2021
filing date -
Dec 28, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A structural spanning system that may be embodied by a cable array bridge system, which typically includes a pair of inclined towers separated by a horizontal distance spanned by a bridge deck and oriented at an outward angle. On opposing ends of the central bridge deck, the towers, and/or columns are secured at a common fulcrum. The columns are similarly oriented at an angle relative to a horizontal plane between fulcrums. Upper cables between towers extend to the deck and create a perpendicular force vector where they connect and are tensioned across the shallow arch bridge deck. Lower cables extend between opposing inclined columns, with one or more stringer cables extending between the lower cables and the bridge deck. Securing the lower cables to the deck via the stringer cables stabilizes the deck in tension by a counterforce to the upper cables. As a result, the bridge deck experiences a balanced pre-stress of upper cable forces in tension through the network of cables.
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