Standard
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AS/NZS 2891.14.1.2:2013
[Current]Methods of sampling and testing asphalt, Method 14.1.2: Field density tests — Determination of field density of compacted asphalt using a nuclear surface moisture-density gauge — Backscatter mode
This Standard sets out the method for determining the field density of layers of asphalt using a nuclear surface moisture-density gauge in the backscatter mode of operation. The method is applicable to asphalt layers between 50 mm and 100 mm thick and to asphalts having a nominal maximum size not greater than 40 mm.
Published: 19/06/2013
Pages: 9
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Referenced documents
3 Safety precautions
4 Apparatus
4.1 Nuclear surface moisture-density gauge
4.2 Radiation monitoring apparatus and personal radiation monitors
4.3 Broom or brush
4.4 Steel straightedge
4.5 Fine material
4.6 Secondary block of naturally occurring stone or concrete
5 Gauge calibration and operational checks
6 Procedure
7 Calculation
8 Test report
8.1 Test results
8.2 General information
Appendix A
A1 Standard count checks
A2 Gauge function checks
A3 Density system consistency check
Appendix B
B1 General
B2 Determination of density offset data
B3 Calculation
B4 Test report
B5 Checking and redetermination of density offset values
Cited references in this standard
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