Arch bridge
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United States of America Patent
Stats
-
Dec 30, 2008
Grant Date -
Jan 10, 2008
app pub date -
Jul 10, 2006
filing date -
Aug 29, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
An exemplary bridge includes an arch unit. The arch unit includes a first abutment and a second abutment, a deck extending between the first and second abutments, a pair of asymmetrical arches, and a plurality of suspender members 3 attached between the arches and the deck. The first and second abutments are spaced apart from each other at a predetermined distance. The asymmetrical arches are juxtaposedly arranged between and supported by the first and second abutments. Each of the asymmetrical arches includes a first arch foot portion mounted on the first abutment, a parabolic portion proximate to the first arch foot portion, a catenary portion proximate to the parabolic portion, and a second arch foot portion proximate to the catenary portion mounted on the second abutment.
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