NF P 98-744-3

Road construction and maintenance equipment - On-site calibration and verification of the settings of continuous dosing apparatus of material production plants - Part 3: Aggregate volumetrique dosing machine

Le présent document spécifie la méthode permettant d'effectuer : - les réglages et le calibrage des doseurs continus volumétriques à granulats et à agrégats d'enrobé à l'exclusion des fillers, utilisés dans une centrale de fabrication de matériaux décrits dans la prNF ISO 15642, 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") ; Note 1 : Pour faciliter la lecture, dans la suite du texte, toutes les opérations définies pour les granulats sont identiques pour les agrégats d’enrobé. - la vérification du réglage du doseur, par pesée "matière".

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