Pavement systems with geocell and geogrid
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United States of America Patent
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Sep 10, 2019
Grant Date -
Aug 11, 2016
app pub date -
Sep 30, 2014
filing date -
Sep 30, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Certain pavement systems and methods for paving are suitable for locations containing a generally weak subgrade with a California Bearing Ratio of four (4) or lower. The pavement system includes a first geogrid layer placed directly on the subgrade; a first granular layer upon the first geogrid layer, the first granular layer having a thickness of from 0.5 times to 20 times the aperture distance of the geogrid layer; a first geocell layer upon the first granular layer comprising a geocell and an infill material; and a capping layer over the geocell layer. A second geocell/geogrid layer can be placed beneath the capping layer if desired. An optional surface layer may be applied upon the capping layer if desired. The resulting pavement system provides long-term support for pavements applied over the pavement system.
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Cited Art Landscape
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