NFP 98 744-3 : 2009
Current
The latest, up-to-date edition.
ROAD CONSTRUCTION AND MAINTENANCE EQUIPMENT - ON-SITE CALIBRATION AND VERIFICATION OF THE SETTINGS OF CONTINUOUS DOSING APPARATUS OF MATERIAL PRODUCTION PLANTS - PART 3: AGGREGATE VOLUMETRIC DOSING MACHINE
12-01-2013
Avant-propos
1 Domaine d'application
2 Références normatives
3 Termes et définitions
4 Principe
5 Appareillage
6 Mode opératoire
6.1 Opérations préalables
6.2 Essai élémentaire
6.3 Calibrage du doseur
6.4 Vérification du réglage
6.5 Qualification d'un doseur
7 Calculs et expression des résultats
7.1 Calcul du débit réel sec moyen D
7.2 Validité des essais
7.3 Validité de la droite de calibrage
7.4 Validité de l'écart de vérification
7.5 Validité des capacités d'écoulement de la trémie
8 Rapport d'essai
Annexe A (informative) Exemple de présentation de rapport
d'essai
Le présent document spécifie la méthode permettant d'effectuer: les réglages et le calibrage des doseurs continus volumétriques à granulats à l'exclusion des fillers, utilisés dans une centrale de fabrication de matériaux (NF P 98-701), à partir de la pesée d'une certaine quantité de granulats délivrés par le doseur dans des conditions de fonctionnement données (essai dit par pesée "matière"); la vérification du réglage du doseur, par pesée "matière".
| DevelopmentNote |
Indice de classement: P98-744-3. PR NFP 98 744-3 October 2007. (10/2007)
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| DocumentType |
Standard
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| PublisherName |
Association Francaise de Normalisation
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| Status |
Current
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