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ASTM International, 12/15/2016
Publisher: ASTM
File Format: PDF
$26.00$52.00
Published:15/12/2016
Pages:6
File Size:1 file , 92 KB
Note:This product is unavailable in Russia, Ukraine, Belarus
1.1 These test methods cover the determination of the in-place density of unhardened and hardened concrete, including roller compacted concrete, by gamma radiation. For notes on the nuclear test see Appendix X1.
1.2 Two test methods are described, as follows:
Section
Test Method A-Direct Transmission Test Method B-Backscatter
8 9
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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