Rock - Direct shear testing of rock joint - Normal surface joint, constant load testing

1 Domaine d'application 4

2 Termes, définitions et notations 4

2.1 Définitions 4

2.2 Notations 4

3 Principe 5

4 Appareillage 6

4.1 Le bâti 6

4.2 La boîte de cisaillement 6

4.3 Le dispositif d'application de l'effort normal à la surface de

discontinuité 6

4.4 Le dispositif d'application de l'effort tangentiel aux épontes 6

4.5 Le système de mesure et d'enregistrement 6

4.6 Matériel complémentaire 7

5 Mode opératoire 7

5.1 Préparation de l'éprouvette 7

5.2 Réalisation de l'essai 9

5.3 Observations de l'éprouvette et mesurage après l'essai 10

6 Expression des résultats 10

7 Procès-verbal d'essai 10

Annexe A (informative) Interprétation de l'essai de cisaillement direct selon une discontinuité de roche 12

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