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BS EN 12697-7:2022 – TC

BS EN 12697-7:2022 – TC

$112.35

Tracked Changes. Bituminous mixtures. Test methods – Determination of the bulk density of bituminous specimens by gamma rays

Published By Publication Date Number of Pages
BSI 2022 36
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This document specifies a method for measuring the bulk density of pavement mixtures using a transmission-type gamma radiation test bench. This method applies to cylindrical specimens or parallelepipedal blocks, prepared in a laboratory or cut from a pavement. The thickness and the mass absorption coefficient, which is a function of the chemical composition, are known. The thickness of the specimen body traversed by the radiation is between 30 mm and 300 mm. The method cannot be applied to materials containing slags, with variable metal content or chemical composition. NOTE Material containing metal or chemical compositions can affect the absorption of gamma rays.

PDF Catalog

PDF Pages PDF Title
1 30453645
23 A-30426157
24 National foreword
27 European foreword
28 Introduction
29 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
30 6 Preparation of specimens
7 Procedure
7.1 Prior adjustments
7.2 Choice of beam diameter
31 7.3 Measurement procedure
7.3.1 Measurement mode
7.3.2 Continuous measurements
32 7.3.3 Localized or point measurements
8 Expression of results
33 9 Test report
10 Precision
34 Bibliography

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BS EN 12697-7:2022 - TC
$112.35