Abutment structures
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United States of America Patent
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Jan 27, 2015
Grant Date -
Mar 27, 2014
app pub date -
Sep 25, 2013
filing date -
Sep 25, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Abutment and bridge designs include a bridge superstructure and abutment wherein the abutment has a vertical portion of a backwall that can be fixedly joined to the end face of the bridge superstructure without an interdisposed expansion joint. A downward facing surface of the bridge superstructure can be fixedly joined to an upward facing surface of the abutment, or alternatively, a bearing pad may be disposed therebetween. The abutment may further comprise a backwall made from a plurality of panels fixedly joined to a plurality of supporting piles. The abutments and bridge superstructure may be made substantially from composite materials including recycled structural composite and other thermoplastics.
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