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Check of high strength bolts
EuroCode - EN 1993-1-1 -
Author: Design Forms s.r.o.
Created: 7/7/2016
Last updated: 8/29/2016
Price: 0.00 €
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Description:
Check high strength bolts
Annotation:

Table 3.6 - Values of "ks"





























Description ks
Bolts in general openings 1,00
Bolts in bigger openings or short longer openings where axis of an opening is perpendicular on the load 0,85
Bolts in long longer openings where axis of an openings is perpendicular to load 0,70
Bolts in short longer openings where axis of an opening is parallel on the load 0,76
Bolts in long longer openings where axis of an openings is parallel to load 0,63




Table 3.7 - Coefficient of friction m for pre-stressed bolts

























Surface friction class (see related codes 1.2.7; group 7) m
Blasted surface without rust; or blasted surface with aluminium of zinc coat 0,50
Blasted surface with alkalic-zinc-silicate coat - thickness 50-80 mm 0,40
Surface cleaned by brush or flame 0,30
Without modifications 0,20