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AS/NZS 2891.14.2:2013
[Current]Methods of sampling and testing asphalt, Method 14.2: Field density tests — Determination of field density of compacted asphalt using a nuclear thin-layer density gauge
This Standard sets out the method for determining the field density of thin layers of asphalt using a nuclear thin-layer density gauge with two backscatter modes of operation or geometrics. These values are then used, with the depth calibration, to estimate the density of the top layer of asphalt, at the thickness selected. The method is applicable to asphalt layers between 25 mm and 100 mm thick and to asphalts having a nominal maximum size not greater than 40 mm.
Published: 19/06/2013
Pages: 10
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 thin-layer 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 check
A3 Density system consistency check
Appendix B
B1 General
B2 Determination of density offset data
B3 Calculations
B4 Test report
B5 Checking and redetermination of density offset values
Cited references in this standard
[Current]
Methods of sampling and testing asphalt, Method 14.3: Field density tests — Calibration of nuclear thin-layer density gauge using standard blocks
[Superseded]
Methods of sampling and testing asphalt, Method 9.3: Determination of bulk density of compacted asphalt — Mensuration method
[Superseded]
Methods of sampling and testing asphalt, Method 9.2: Determination of bulk density of compacted asphalt — Presaturation method
[Superseded]
Methods of sampling and testing asphalt, Method 9,1: Determination of bulk density of compacted asphalt — Waxing procedure
[Current]
Methods of sampling and testing asphalt, Method 1.2: Sampling — Coring method
Content history
[Current]
[Superseded]
DR AS/NZS 2891.14.2
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