Method and apparatus for determining liquid absorption of aggregate
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United States of America Patent
Stats
-
Jul 22, 2008
Grant Date -
Feb 8, 2007
app pub date -
Jan 17, 2006
filing date -
Aug 22, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A method of determining liquid absorption of an aggregate comprises providing a shaker apparatus, a vacuum source and a container; placing a sample of the aggregate in the container; adding liquid to the container sufficient to reach a calibration mark on the container; weighing the sample and liquid; mounting the container to the shaker apparatus; connecting the vacuum source to the container; agitating the sample and liquid with the shaker apparatus; applying a vacuum to the sample and liquid with the vacuum source; after the agitation and vacuum steps, adding liquid to the container sufficient to again reach the calibration mark on the container; again weighing the sample and liquid; and subtracting the initial weight of the sample and liquid from the final weight of the sample and liquid in order to determine the liquid absorption of the aggregate.
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