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112 t>25mm:
of rolled sections without cope stress.
holes. - Welded from both sides;
ks=(25/t)0,2
4) Transverse splices in plates or checked by NDT.
flats tapered in width or in Detail 3):
thickness, with a slope ¼. Applies only to joints of rolled
sections, cut and welded.
9
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5) Transverse splices in plates or - The height of the weld convexity
flats. to be not greater than 10% of the
6) Full cross-section butt welds weld width, with smooth
of rolled sections without cope transition to the plate surface.
holes. - Weld run-on and run-off pieces
size effect
7) Transverse splices in plates or to be used and subsequently
for
flats tapered in width or in removed, plate edges to be
90 t>25mm:
thickness with a slope ¼. ground flush in direction of
Translation of welds to be stress.
ks=(25/t)0,2
machined notch free. - Welded from both sides;
checked by NDT.
Details 5 and 7:
Welds made in flat position.
8) As detail 3) but with cope - All welds ground flush to plate
holes. surface parallel to direction of
the arrow.
- Weld run-on and run-off pieces
size effect to be used and subsequently
for removed, plate edges to be
90 t>25mm: ground flush in direction of
stress.
ks=(25/t)0,2 - Welded from both sides;
checked by NDT.
- Rolled sections with the same
dimensions without tolerance
differences
9) Transverse splices in welded - The height of the weld convexity
plate girders without cope hole. to be not greater than 20% of the
10) Full cross-section butt welds weld width, with smooth
of rolled sections with cope transition to the plate surface.
holes. - Weld not ground flush
11) Transverse splices in plates, - Weld run-on and run-off pieces
flats, rolled sections or plate to be used and subsequently
size effect
girders. removed, plate edges to be
for
ground flush in direction of
80 t>25mm:
stress.
- Welded from both sides;
ks=(25/t)0,2
checked by NDT.
Detail 10:
The height of the weld convexity
to be not greater than 10% of the
weld width, with smooth
transition to the plate surface.
12) Full cross-section butt welds - Weld run-on and run-off pieces
of rolled sections without cope to be used and subsequently
hole. removed, plate edges to be
63
ground flush in direction of
stress.
- Welded from both sides.
22
Licensed copy: BSI USER 06 Document Controller, Midmac Contracting Co. W.L.L, Version correct as of 05/06/2011 14:51, (c) BSI
BS EN 1993-1-9 : 2005
EN 1993-1-9 : 2005 (E)
Table 8.3 (continued): Transverse butt welds
Detail
Constructional detail Description Requirements
category
13) Butt welds made from one 13) Without backing strip.
36
side only.
size effect 13) Butt welds made from one
for side only when full penetration
71
t>25mm: checked by appropriate NDT.
ks=(25/t)0,2
With backing strip: Details 14) and 15):
14) Transverse splice.
15) Transverse butt weld Fillet welds attaching the backing
size effect
tapered in width or thickness strip to terminate 10 mm from
for
with a slope ¼. the edges of the stressed plate.
71 t>25mm:
Also valid for curved plates. Tack welds inside the shape of
butt welds.
ks=(25/t)0,2
16) Transverse butt weld on a 16) Where backing strip fillet
size effect
permanent backing strip tapered welds end
for
50 in width or thickness with a plate edge, or if a good fit cannot
t>25mm:
slope ¼. be guaranteed.
ks=(25/t)0,2
Also valid for curved plates.
size effect for t>25mm and/or 17) Transverse butt
slope 1/2
generalization for eccentricity: weld, different
0,2
thicknesses without
25 6e t1,5
1
ks
transition,
1
t1 t1 t1,5 t1,5
1 2 centrelines aligned.
71
t2 t1
18) Transverse butt weld at Details 18) and 19)
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intersecting flanges.
40
The fatigue strength of the
continuous component has to be
As 19) With transition radius checked with Table 8.4, detail 4
detail 4 according to Table 8.4, detail 4 or detail 5.
in
9
Table 8.4
23
Licensed copy: BSI USER 06 Document Controller, Midmac Contracting Co. W.L.L, Version correct as of 05/06/2011 14:51, (c) BSI
BS EN 1993-1-9 : 2005
EN 1993-1-9 : 2005 (E)
Table 8.4: Weld attachments and stiffeners
Detail
Constructional detail Description Requirements
category
Longitudinal attachments: The thickness of the attachment
80 L 50mm
must be less than its height. If not
1) The detail category varies see Table 8.5, details 5 or 6.
71 50
according to the length of the
attachment L.
63 80
56 L>100mm
2) Longitudinal attachments to
L>100mm
plate or tube.
71
3) Longitudinal fillet welded Details 3) and 4):
gusset with radius transition to
plate or tube; end of fillet weld Smooth transition radius r formed
80 r>150mm
reinforced (full penetration); by initially machining or gas
length of reinforced weld > r. cutting the gusset plate before
reinforced
welding, then subsequently
r 1 4) Gusset plate, welded to the
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