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NBN EN 12697-7:2022
Bituminous mixtures - Test methods - Part 7: Determination of the bulk density of bituminous specimens by gamma rays
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Summary
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.
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.
Technical characteristics
| Publisher | Bureau de Normalisation Belge (NBN) |
| Publication Date | 02/12/2022 |
| Cancellation Date | 08/31/2022 |
| Page Count | 14 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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