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Homepage>BS Standards>93 CIVIL ENGINEERING>93.080 Road engineering>93.080.20 Road construction materials>BS EN 12697-7:2022 - TC Tracked Changes. Bituminous mixtures. Test methods Determination of the bulk density of bituminous specimens by gamma rays
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immediate downloadReleased: 2022-04-06
BS EN 12697-7:2022 - TC Tracked Changes. Bituminous mixtures. Test methods Determination of the bulk density of bituminous specimens by gamma rays

BS EN 12697-7:2022 - TC

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

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Standard number:BS EN 12697-7:2022 - TC
Pages:36
Released:2022-04-06
ISBN:978 0 539 21643 1
Status:Tracked Changes
DESCRIPTION

BS EN 12697-7:2022 - TC


This standard BS EN 12697-7:2022 - TC Tracked Changes. Bituminous mixtures. Test methods is classified in these ICS categories:
  • 93.080.20 Road construction materials
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.