0-6676 : Rapid field detection of moisture content for base and subgrade : [project summary].
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2013-08-01
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Abstract:Properly applying water during compaction of
roadway base and subgrade materials is
important for achieving adequate compaction.
Construction specifications determine the
required water content, and field measurement
historically takes place with a nuclear density
gauge. However, with the regulatory
requirements of using nuclear sources, and
continued interest in stiffness or modulus-based
compaction acceptance, researchers need to
identify techniques to rapidly measure moisture
content on base and subgrades without using a
nuclear source.
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