2. Design of Welded Connections - Awssection.org
2. Design of Welded Connections - Awssection.org
2. Design of Welded Connections - Awssection.org
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AASHTO/AWS D1.5M/D1.5:2002 DESIGN OF WELDED CONNECTIONS<br />
Reproduced with the permission <strong>of</strong> the American Welding Society (AWS), Miami, Florida - 09/15/2011.<br />
Single-V-groove weld (2)<br />
Corner joint (C)<br />
Welding<br />
Process<br />
Joint<br />
<strong>Design</strong>ation<br />
SMAW C-U2a U U<br />
GMAW<br />
FCAW<br />
See Notes on Page 43<br />
Figure <strong>2.</strong>4 (Continued) (Inches)<br />
24<br />
As Detailed<br />
(see <strong>2.</strong>1<strong>2.</strong>1)<br />
Base Metal Thickness<br />
(U = unlimited) Groove Preparation Allowed<br />
Welding<br />
T1 T2 Root Opening Groove Angle Positions<br />
C-U2a-GF U U<br />
Tolerances<br />
As Fit-Up<br />
(see 3.3.4)<br />
R = +1/16, – 0 +1/4, – 1/16<br />
a = +10°, – 0° +10°, – 5°<br />
Gas<br />
Shielding<br />
for FCAW Notes<br />
R = 1/4 α = 45° All — 1, 12<br />
R = 3/8 α = 30° F, V, OH — 1, 12<br />
R = 1/2 α = 20° F, V, OH — 1, 12<br />
R = 3/16 α = 30° F, V, OH Required 12<br />
R = 3/8 α = 30° F, V, OH Not req. 12<br />
R = 1/4 α = 45° F, V, OH Not req. 12<br />
SAW C-L2a-S 2 max U R = 1/4 α = 30° F — 12<br />
SAW C-U2-S U U R = 5/8 α = 20° F — 12<br />
Single-V-groove weld (2)<br />
Butt joint (B)<br />
Welding<br />
Process<br />
Joint<br />
<strong>Design</strong>ation<br />
Base Metal Thickness<br />
(U = unlimited)<br />
T 1<br />
SMAW B-U2 U —<br />
GMAW<br />
FCAW<br />
SAW B-L2c-S<br />
B-U2-GF U —<br />
Over 1/2<br />
to 1<br />
Over 1<br />
to 1-1/2<br />
Over 1-1/2<br />
to 2<br />
α<br />
T 2<br />
—<br />
—<br />
—<br />
Root Opening<br />
Root Face<br />
Groove Angle<br />
R = 0 to 1/8<br />
f = 0 to 1/8<br />
α = 60°<br />
R = 0 to 1/8<br />
f = 0 to 1/8<br />
α = 60°<br />
R = 0<br />
f = 1/4 min<br />
α = 60°<br />
R = 0<br />
f = 3/8 min<br />
α = 60°<br />
R = 0<br />
f = 1/2 min<br />
α = 60°<br />
Groove Preparation<br />
As Detailed<br />
(see <strong>2.</strong>1<strong>2.</strong>1)<br />
+1/16, – 0<br />
+1/16, – 0<br />
+10°, – 0°<br />
+1/16, – 0<br />
+1/16, – 0<br />
+10°, – 0°<br />
R = ±0<br />
f = +1/4, – 0<br />
α = +10°, – 0°<br />
Tolerances<br />
As Fit-Up<br />
(see 3.3.4)<br />
+1/16, – 1/8<br />
Not limited<br />
+10°, – 5°<br />
+1/16, – 1/8<br />
Not limited<br />
+10°, – 5°<br />
+1/16, – 0<br />
Not limited<br />
+10°, – 5°<br />
Allowed<br />
Welding<br />
Positions<br />
Gas<br />
Shielding<br />
for FCAW Notes<br />
All — 1, 3, 9<br />
All<br />
Not<br />
required<br />
3, 9<br />
F — 3, 9<br />
Reproduced with the permission <strong>of</strong> the American Welding Society (AWS), Miami, Florida - 09/15/2011