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{{Wikify|date=June 2008}}
A '''Nuclear Densometer Test''' is a field test used in geotechnical engineering. The test is performed on a compacted base to establish it's percentage of compaction. With the use of a 3/4" diameter rod a hole is created in the compacted base by hammering the rod into the base to produce a hole that the densometer's probe can be inserted into. The densometer is placed on top of the hole, and then the probe is inserted into the hole by unlocking the handle at the top of the probe. The densometer measures the amount of radiation that returns to it through the compacted soil and determines the percentage of compaction based on the amount of radiation received.
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Densometers are the accepted standard for measuring
[[Category:Geotechnical engineering]]
the porosity, air-permeability or air-resistance of
sheet-like materials such as papers, wovens, plastics
and membranes.
 
(NOT THE SAME THING)
 
A '''Nuclear Density Test''' provides a direct, instantaneous readout of soil moisture content, soil density, and percent proctor. There are two small radiation sources in the device that emit relatively weak radiation.  When the sources are exposed to the soil a receiver measures time and intensity of received radiation to determine the soil properties. 
 
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{{agriculture-stub}}

Latest revision as of 18:28, 11 April 2009

A Nuclear Densometer Test is a field test used in geotechnical engineering. The test is performed on a compacted base to establish it's percentage of compaction. With the use of a 3/4" diameter rod a hole is created in the compacted base by hammering the rod into the base to produce a hole that the densometer's probe can be inserted into. The densometer is placed on top of the hole, and then the probe is inserted into the hole by unlocking the handle at the top of the probe. The densometer measures the amount of radiation that returns to it through the compacted soil and determines the percentage of compaction based on the amount of radiation received.

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