Standard Method of Test for
Density of Plastic and Hardened Portland
Cement Concrete In-Place by Nuclear Methods
AASHTO Designation: T 271-83 (2004)
SCOPE
1.1.These methods cover the determination of the density of plastic and hardened concrete in-place by gamma radiation.
1.2.Two methods are described as follows:
Section
Method A-Direct Transmission 7
Method B-Backscattcr 8
1.3. The values stated in SI units are to be regarded as the preferred standard.
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