
High-strength structural bolting assemblies for preloading - Part 8: System HV - Hexagon fit bolt and nut assemblies
出版:National Standards Authority of Ireland

专家解读视频
This European Standard specifies together with EN 14399-1 and EN 14399-2, the requirements forassemblies of high-strength structural bolts and nuts of system HV suitable for preloaded joints withlarge width across flats, thread sizes M12 to M36 and property classes 10.9/10.Bolting assemblies (including fit bolts with nominal shank diameter d + 1 mm) in accordance with thisdocument have been designed to allow preloading of at least 0,7 fub × As1) according to EN 1993-1-8(Eurocode 3) and to obtain ductility predominantly by plastic deformation of the engaged threads. Forthis purpose, the components have the following characteristics:— nut height approximately 0,8 D;— bolt with short thread length.Bolting assemblies in accordance with this document include washers according to EN 14399-6..General requirements and requirements for suitability for preloading are specified in EN 14399-2.Clamp lengths and grip lengths for the bolting assemblies are specified in the normative Annex A.
EN 14399-8 : 2007 - Identical
EN 14399-8:2018 - Identical
EN 14399-8 : 2007 - Identical
EN 14399-8:2018 - Identical