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AS/NZS 2891.14.3:1999

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Methods of sampling and testing asphalt - Field density tests - Calibration of nuclear thin-layer density gauge using standard blocks
Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Superseded date

06-30-2017

Language(s)

English

Published date

01-01-1999

Preview

1 - AS/NZS 2891.14.3:1999 METHODS OF SAMPLING AND TESTING ASPHALT - FIELD DENSITY TEST-CALIBRATION OF NUCLEAR THIN-LAYER DENSITY....
1 - 1 SCOPE
1 - 2 REFERENCED DOCUMENTS
1 - 3 SAFETY PRECAUTIONS
2 - 4 APPARATUS
2 - 5 PROCEDURE
2 - 5.1 Preparation for calibration
2 - 5.2 Gauge function checks
2 - 5.3 Standard count check
3 - 5.4 Determination of density and depth factor calibration data
3 - 6 CALCULATIONS
3 - 6.1 Density data
3 - 6.2 Density calibration constants
4 - 6.3 Depth factor data
4 - 6.4 Depth factor calibration constants
5 - 6.5 Field density
5 - 6.6 Calculation of uncertainty of the calibration
6 - 7 GAUGE MICROPROCESSOR VALIDATION
6 - 8 RECALIBRATION
6 - 9 CALIBRATION REPORT
7 - APPENDIX A - DENSITY ADJUSTMENT USING MASS ATTENUATION COEFFICIENTS
7 - A1 GENERAL
7 - A2 PROCEDURE
9 - A3 TEST REPORT

This Standard sets out the methods for the following:(a) The calibration of the density systems of a nuclear thin-layer density gauge, using standard blocks. The density calibration equations, so derived, define the relationships between density count ratio and field density reading.(b) The calibration of the depth factor systems of a nuclear thin-layer density gauge, using standard blocks and plates. The depth factor calibration equations, so derived, define the relationships between the depth factors and the thickness of a surface (top) layer.NOTE: The gauge calculates the density of a surface layer of nominated thickness, using the densities measured at two different backscatter systems and the depth factors for the nominated thickness.An adjustment of the calibration equation is determined for each material tested from measurements of field density, as detailed in AS/NZS 2891.14.2.

Committee
CE-006
DocumentType
Standard
ISBN
0 7337 2580 5
Pages
10
PublisherName
Standards Australia
Status
Superseded
SupersededBy
Supersedes
UnderRevision

First published as AS/NZS 2891.14.3:1999.

AS 1289.5.8.4-1998 Methods of testing soils for engineering purposes Soil compaction and density tests - Nuclear surface moisture-density gauges - Calibration using standard blocks
AS/NZS 2891.14.2:1999 Methods of sampling and testing asphalt Field density tests - Determination of field density of compacted asphalt using a nuclear thin-layer density gauge
AS 1289.5.8.5-1998 Methods of testing soils for engineering purposes Soil compaction and density tests - Nuclear surface moisture-density gauges - Density of a Type A or Type C standard density block (Reconfirmed 2013)

AS 2150-2005 Hot mix asphalt - A guide to good practice
AS/NZS 2891.14.2:2013 Methods of sampling and testing asphalt Field density tests - Determination of field density of compacted asphalt using a nuclear thin-layer density gauge
AS/NZS 2891.14.2:1999 Methods of sampling and testing asphalt Field density tests - Determination of field density of compacted asphalt using a nuclear thin-layer density gauge

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