12-05-2010, 07:22 AM
EN 14399 High-strength structural bolting assemblies for preloading
Author: CEN/TC 185 | Size: 3.9 MB | Format: PDF | Publisher: CEN | Year: 2005-2009
Contents of rar-file:
EN 14399-1:2005
High-strength structural bolting assemblies for preloading - Part 1: General requirements
This Part of this European standard specifies the general requirements for the components of bolt/nut/washer(s) assemblies for high-strength structural bolting, which are suitable for preloading and for the assemblies themselves.
EN 14399-2:2005
High-strength structural bolting assemblies for preloading - Part 2: Suitability test for preloading
This part of this European Standard specifies a tightening test to verify the suitability of high strength bolt/nut/washer assemblies for preloaded bolted connection in metallic structures.
The purpose of this test is to check the behaviour of the fastener assembly so as to ensure that the required preload can be reliably obtained by the tightening methods specified in ENV 1090-1 with sufficient margins against over tightening and against failure.
EN 14399-3:2005
High-strength structural bolting assemblies for preloading - Part 3: System HR - Hexagon bolt and nut assemblies
This part of this European Standard specifies, together with prEN 14399-1, the requirements for assemblies of high-strength structural bolts and nuts of system HR suitable for preloaded joints with large widths across flats, thread sizes M12 to M36 and property classes 8.8/8 and 10.9/10.
Bolt and nut assemblies to this part of this European Standard have been designed to allow preloading of at least 0,7 fubВґAs according to ENV 1993-1-1 (Eurocode 3) and to obtain ductility predominantly by plastic elongation of the bolt. For this purpose the components have the following characteristics:
Вѕ nut height according to style 1 (see ISO 4032)
Вѕ thread length of the bolt according to ISO 888
Bolt and nut assemblies to this part of this European Standard include washers according to prEN 14399-6 or to prEN 14399-5 (under the nut only).
NOTE Attention is drawn to the importance of ensuring that the bolts are correctly used if satisfactory result are to be ob-tained. For recommendations concerning proper application, reference to ENV 1090-1 is made.
The test method for suitability for preloading is specified in prEN 14399-2.
EN 14399-4:2005
High-strength structural bolting assemblies for preloading - Part 4: System HV - Hexagon bolt and nut assemblies
This part of this European standard Standard specifies together with prEN 14399-1 the requirements for assemblies of high-strength structural bolts and nuts of system HV suitable for preloaded joints with large widths across flats, thread sizes M 12 to M 36 and property classes 10.9/10.
Bolt and nut assemblies to this part of this European Standard have been designed to allow preloading of at least 0,7 fub Вґ As *) according to ENV 1993-1-1 (Eurocode 3) and to obtain ductility predominantly by plastic deformation of the engaged threads. For this purpose the components have the following characteristics:
Вѕ nut height approximately 0,8 d
Вѕ bolt with short thread length
Bolt and nut assemblies to this part of this European standard Standard include washers according to prEN 14399-6 or to prEN 14399-5 (under the nut only).
NOTE Attention is drawn to the importance of ensuring that the bolts are correctly used if satisfactory result are to be
obtained. For recommendations concerning proper application, reference to ENV 1090-1 is made.
The test method for suitability for preloading is specified in prEN 14399-2.
Clamp lengths for the bolt/nut/washer assemblies are given in the normative Annex annex A.
EN 14399-5:2005
High-strength structural bolting assemblies for preloading - Part 5: Plain washers
This part of this European Standard specifies, together with prEN 14399-1, hardened and tempered plain washers intended for assembly with large series hexagon high-strength structural bolts and nuts with threads from M12 to M36 inclusive. Washers according to this standard can be applied under the nut only.
NOTE Attention is drawn to the importance of ensuring that the washers are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to ENV 1090-1 is made.
EN 14399-6:2005
High-strength structural bolting assemblies for preloading - Part 6: Plain chamfered washers
This part of this European Standard specifies, together with prEN 14399-1, hardened and tempered plain washers with chamfer intended for assembly with large series hexagon high-strength structural bolts and nuts with thread sizes from M12 to M36 inclusive.
NOTE Attention is drawn to the importance of ensuring that the washers are correctly used if satisfactory results are to be obtained. For recommendations concerning proper application, reference to ENV 1090-1 is made.
EN 14399-7:2007
High-strength structural bolting assemblies for preloading - Part 7: System HR - Countersunk head bolt and nut assemblies
This document belongs to the suite of European Standards EN 14399 and is designed to be read in conjunction with EN 14399-1 for:
- general requirements;
- testing for conformity evaluation;
- evaluation of conformity;
- regulatory marking;
for assemblies of high-strength structural countersunk bolts and nuts of system HR suitable for preloaded joints with thread sizes M12 to M36 and bolt property classes 8.8 and 10.9 and EN 14399-2 for suitability testing.
This part gives requirements for:
- dimensions;
- associated washer(s) according to EN 14399-5 or to EN 14399-6;
- performance and suitability tests;
- for assemblies with thread sizes M12 to M36 and bolt property classes 8.8 and 10.9.
Countersunk bolt and nut assemblies to this document have been designed to allow preloading of at least 0,7 fub п‚ґ As ) according to EN 1993-1-8 (Eurocode 3) and to obtain ductility predominantly by elongation of the bolt. For this purpose the components have the following characteristics:
- nut height according to style 1 (see ISO 4032),
- thread length of the bolt according to ISO 888.
EN 14399-8:2007
High-strength structural bolting assemblies for preloading - Part 8: System HV - Hexagon fit bolt and nut assemblies
This document belongs to the suite of European Standards EN 14399 and is designed to be read in conjunction with EN 14399 -1 for:
- general requirements;
- testing for conformity evaluation;
- evaluation of conformity;
- regulatory marking;
for assemblies of high-strength structural fit bolts and nuts of system HV suitable for preloaded joints with, thread sizes M12 to M36 and bolt property class 10.9 and EN 14399-2 for suitability testing.
This part gives requirements for:
- dimensions;
- associated washer(s) according to EN 14399-6;
- performance and suitability tests
for assemblies with thread sizes M12 to M36 and bolt property class 10.9.
Assemblies of hexagon fit bolts with shaft diameter (d пЂ« 1 mm) and nuts according to this part of this European Standard have been designed to allow preloading of at least 0,7 fub п‚ґ As ) according to EN 1993 1 8 (Eurocode 3) and to obtain ductility predominantly by deformation of the engaged thread. For this purpose the components have the following characteristics:
- nut height approximately 0,8 d;
- hexagon fit bolt with short thread length.
EN 14399-9:2009
High-strength structural bolting assemblies for preloading - Part 9: System HR or HV - Direct tension indicators for bolt and nut assemblies
This document specifies, together with EN 14399-1, the requirements for assemblies of high-strength structural bolts and nuts, with large width across flats, of system HR or HV, including the requirements for the general dimensions, tolerances, materials and performance for two grades, H8 and H10, of compressible washer-type direct tension indicators, nut face washers and bolt face washers suitable for preloaded joints. The assemblies include the nominal thread sizes M12 up to and including M36 and property classes 8.8/8, 8.8/10 and 10.9/10.
Bolt and nut assemblies to this document have been designed to allow preloading of at least 0,7 fub Г— As according to EN 1993-1-8 (Eurocode 3) and to obtain ductility predominantly by plastic elongation of the bolt for system HR according to EN 14399-3 or by plastic deformation of the engaged threads for system HV according to EN 14399-4; also countersunk and fit bolts according to EN 14399-7 and -8 respectively.
Bolt and nut assemblies conforming to this document may include washer(s) according to EN 14399-6 or to EN 14399-5 (under the nut only).
The purpose of the direct tension indicators is to show that a defined preload is achieved in the bolt. The direct tension indicator can be used alone or with bolt face washers or nut face washers conforming to this standard. In either case the direct tension indicators shall be used as part of an assembly in accordance with EN 14399-1.
To comply with EN 14399-1, the assemblies shall be supplied by one manufacturer include bolts, nuts, washers and direct tension indicators.
NOTE 1 Attention is drawn to the importance of ensuring that the assemblies are correctly used if satisfactory results are to be obtained.
The test method for suitability for preloading is specified in EN 14399-2 and supplemented by Clause 5.
Guidance on the use of compressible washer-type direct tension indicators is given in EN 1090-2.
EN 14399-10:2009
High-strength structural bolting assemblies for preloading - Part 10: System HRC - Bolt and nut assemblies with calibrated preload
This part of this European Standard specifies, together with EN 14399-1, the requirements for assemblies of high-strength structural bolts and nuts of system HRC suitable for preloaded joints, with hexagon head (large widths across flats) or cup head, thread sizes M12 to M30 and property class 10.9/10.
Bolt and nut assemblies conforming to this part of this European Standard have been designed to allow preloading of at least 0,7 fub X As ) according to EN 1993-1-8:2005 (Eurocode 3) and to obtain ductility predominantly by plastic elongation of the bolt. For this purpose the components have the following characteristics:
- nut according to EN 14399-3, or
- nut with height m = 1 d,
- thread length of the bolt according to ISO 888.
Bolt and nut assemblies conforming to this part of this European Standard include washer(s) according to EN 14399-6 or to EN 14399-5 (under the nut only).
NOTE Attention is drawn to the importance of ensuring that the bolts are correctly used if a satisfactory result is to be obtained.
The test method for suitability for preloading is specified in EN 14399-2 and in Clause 8.
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