Device and methods for use of a dynamic cone penetrometer...

Measuring and testing – Hardness – By penetrator or indentor

Reexamination Certificate

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C073S085000

Reexamination Certificate

active

07617718

ABSTRACT:
The present invention includes a device and method for more particularly evaluating the compaction of soil by automating the use of a prior art dynamic cone penetrometer such that user error and error caused by field conditions are eliminated. Recordation of penetrometer data previously not recorded is made more precise by the present invention such that standardized measurement results. The device further includes means for facilitating the determination of compaction of soils through keyhole openings and a means for automating the collection and processing of the generated compaction data.

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Herrick et al., “A Dynamic Cone Penetrometer for Measuring Soil Penetration Resistance,” Soil Sci. Soc. Am. J., 66:1320-1324 (2002).
Jones et al.: “Guide to Sampling Soil Compaction Using Hand-Held Soil Penetrometers,” Ctr. Env. Mgmt of Mil. Lands., Jan. 2004.

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