Method and apparatus for predicting density of asphalt
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United States of America Patent
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Mar 2, 2010
Grant Date -
May 11, 2006
app pub date -
Nov 10, 2005
filing date -
Nov 10, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for predicting the quality of compaction of beds of material with a vibratory device as a function of the vibration of the compaction device, the material of the bed, the lift thickness, the temperature, among other process parameters is described in this invention. The vibration of the compacting device during the compaction of the bed is compared with the vibration characteristics of the compacting device on a bed of known properties. The quality of compaction of the bed is then estimated based on the knowledge of the process parameters. The output of the apparatus may be used as a visual input to the operator of the compacting device or stored in an electronic format to depict the progress during the compaction process.
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