Soil : investigation and testing - Auscultation of buried work - Part 5 : gamma-ray transmission method

Avant-propos 4

SECTION 5.1 : MONOSONDE 5

1.1 Domaine d'application 5

1.2 Définitions - Notations 5

1.3 Principe de la méthode 5

1.4 Appareillage 6

1.5 Mode opératoire 8

1.6 Expression des résultats 10

1.7 Procès-verbal 10

Annexe 1.A (normative) Étalonnage des sondes 12

1.A.1 Caractéristiques des blocs de référence 12

1.A.2 Étalonnage de la sonde, en laboratoire, sur les blocs de référence 12

Bibliographie 16

SECTION 5.2: DOUBLE SONDE 17

2.1 Domaine d'application 17

2.2 Définitions et notations 17

2.3 Principe de la méthode 17

2.4 Appareillage 18

2.5 Préparation de l'essai 20

2.6 Mode opératoire 21

2.7 Expression des résultats 21

2.8 Procès-verbal 21

2.9 Vérification des appareils de mesure 22

Annexe 2.A (normative) Étalonnage de la double sonde gamma 23

2.A.1 Blocs d'étalonnage 23

2.A.2 Détermination du coefficient d'étalonnage 23

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