Elastomeric bridge bearings having a piezoelectric device
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United States of America Patent
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Feb 11, 2014
Grant Date -
Jul 12, 2012
app pub date -
Nov 30, 2009
filing date -
Sep 29, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A resilient support for a bridge includes: an upper plate fixedly installed on the undersurface of the bridge deck panel; a base plate fixedly installed on the top surface of the pier; an upper fixed panel and a lower fixed panel fastened and fixed by fastening bolts to the upper plate and to the base plate, respectively; and a rubber pad, the top and bottom surfaces of which are thermally bonded and fixed to the upper and lower fixed panels, respectively, and including a plurality of steel panels in a multi-stack configuration filled therein, wherein the resilient support is configured with a plurality of piezoelectric devices for converting vibrations transmitted from the bridge deck panels into electric energy, and the piezoelectric devices are stacked between each of the steel panels within the rubber pad.
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