System and method for increasing roadway width incorporating a reverse oriented retaining wall and soil nail supports
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United States of America Patent
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Apr 29, 2014
Grant Date -
May 30, 2013
app pub date -
Jan 24, 2013
filing date -
May 21, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
A system and method are provided for increasing the width of an existing roadway. The system incorporates a reverse-oriented retaining wall and soil nail supports. The retaining wall is formed by a first set of soil nails, wire mesh material, and one or more geotextile material layers. An alternate embodiment forms the retaining wall with a plurality of concrete blocks stacked and spaced to form a block wall. The blocks are mounted over the first set of nails. Backfill material fills a gap between the existing sloping surface and the retaining wall. A second set of soil nails can be provided for additional subsurface support. An upper surface of the backfill material can be paved to form the extended roadway width.
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Cited Art Landscape
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