Soils : investigation and testing. Determination of density of materials on site. Part 1 : method employing gammadensitometer with point (direct transmission).

Avant-propos 4

1 Domaine d'application 4

2 Références normatives 4

3 Définitions - Abréviations - Symboles 5

3.1 Définitions 5

3.2 Abréviations - Symboles 5

4 Principe de l'essai 6

5 Appareillage 6

5.1 Matériel de mesure 6

5.2 Matériel de calibration 7

5.3 Notice technique 8

6 Méthode d'essai 8

6.1 Calibration 8

6.2 Exécution de l'essai 8

6.3 Détermination de la teneur en eau 9

7 Expression des résultats 9

7.1 Cas des appareils à bloc source amovible 9

7.2 Cas des appareils à bloc source non amovible 10

7.3 Détermination du coefficient d'absorption massique approché du matériau sec pico ' ap mat sec) 10

7.3.1 Sols et roches (classes A, B, C, D, R : NF P 11-300) 10

7.3.2 Matériaux des classes F (F2, F3, F4, F5, F8) 10

8 Rapport d'essai 10

Annexe A (informative) Caractéristiques des blocs centraux de référence 11

Annexe B (informative) Correction de l'influence de la composition des matériaux 12

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