Method for determining the stiffness and/or damping of an area of a physicalness
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United States of America Patent
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Jul 12, 2016
Grant Date -
Oct 3, 2013
app pub date -
Oct 13, 2010
filing date -
Oct 13, 2010
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Abstract
The invention relates to a method for determining the soil stiffness (kB) of a soil area (2). For this purpose, a vibration-excited contact body (6, 8) of a soil compacting device (1) acts upon the soil surface (9) in such a way that during the acting upon an unsteady loss of contact (jumping) between the soil surface (9) and the contact body (6, 8) occurs. While acting upon the soil surface, parameters (f) of the oscillation excitation and parameters ({umlaut over (x)}d) of the oscillation response (xd) of the contact body (6, 8) are determined and from these in combination with known parameters (mu, ru, md) of the soil compacting device (1) the soil stiffness (kB) is computed.
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