Composite overfilled arch system
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United States of America Patent
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-
Dec 11, 2007
Grant Date -
N/A
app pub date -
Apr 25, 2002
filing date -
Apr 25, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An overfilled arch bridge system includes a composite arch which has a precast layer and a cast-in-place layer. The system further includes means for reducing bending moments within the overfilled arch. The means include customizing the arch end geometry and prestressing the arch prior to or during loading. The system can be used in connection with the overfilled arch system disclosed in co-pending patent application titled 'Top Arch Overfilled System' filed by the same inventor on Mar. 22, 2002.
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