Determination of soil stiffness levels
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United States of America Patent
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Jan 27, 2009
Grant Date -
Nov 29, 2007
app pub date -
Sep 20, 2004
filing date -
Sep 19, 2003
priority date (Note) -
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Abstract
According to the invention, a single device permits the relative soil rigidity values of a section of soil to be determined in a rapid measuring method and in addition, absolute soil rigidity values to be determined in a slightly slower method. If the device is calibrated with the aid of the measured absolute values, a rapid absolute measurement can also take place. The device can also be used for soil compaction.
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