NF EN 14399-1

High-strength structural bolting assemblies for preloading - Part 1 : general requirements

Le présent document spécifie les exigences techniques générales applicables à la boulonnerie de construction métallique à haute résistance apte à la précontrainte. Il décrit les caractéristiques des produits (type de boulon, classe de qualité, grade, classe k et facteur k), ainsi que les méthodes d'essais et d'évaluation. Il décrit également la méthode d'évaluation et de vérification de la constance des performances. Un exemple de déclaration de performances est donné en annexe Z.A. Il est destiné à donner présomption de conformité au Règlement (UE) n°305/20 relatif aux conditions harmonisées de commercialisation pour les produits de construction. Il constitue la première partie d'une série de normes dont la partie 2 spécifie l'aptitude à l'emploi pour la mise en précontrainte, et les parties 3 à 10 spécifient les exigences relatives aux composants : boulons (systèmes HR, HV et HRC), et rondelles.

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