2. Design of Welded Connections - Awssection.org

AASHTO/AWS D1.5M/D1.5:2002 DESIGN OF WELDED CONNECTIONS
Reproduced with the permission of the American Welding Society (AWS), Miami, Florida - 09/15/2011.
Double-bevel-groove weld (5)
Butt weld joint (5) (B)
Butt joint (B)
Welding
Process
Joint
Designation
Base Metal Thickness
(U = unlimited)
T 1
SMAW B-U5a U —
GMAW
FCAW
B-U5-GF U —
Double-bevel-groove weld (5)
T-joint weld (5) (T)
Corner T-joint (T) joint (C)
Corner joint (C)
Welding
Process
Joint
Designation
α α
β
T 2
Base Metal Thickness
(U = unlimited)
T 1
T 2
See Notes on Page 43
Root Opening
Root Face
Groove Angle
R = 0 to 1/8
f = 0 to 1/8
α = 45°
β = 0° to 15°
R = 0 to 1/8
f = 0 to 1/8
α = 45°
β = 0° to 15°
Root Opening
Root Face
Groove Angle
Groove Preparation
Figure 2.4 (Continued) (Inches)
28
As Detailed
(see 2.12.1)
+1/16, – 0
+1/16, – 0
α β +10°
– 0°
+1/16, – 0
+1/16, – 0
α + β =
+10°, – 0°
Tolerances
Groove Preparation
As Detailed
(see 2.12.1)
Tolerances
As Fit-Up
(see 3.3.4)
+1/16, – 1/8
Not limited
+ α β +10° +
– 5°
+1/16, – 1/8
Not limited
α + β =
+10°, – 5°
As Fit-Up
(see 3.3.4)
Allowed
Welding
Positions
F, H —
H
Allowed
Welding
Positions
Gas
Shielding
for FCAW Notes
Not
required
1, 3, 7,
9, 13
3, 7, 9
Gas
Shielding
for FCAW Notes
1, 3, 6,
7, 12
SMAW TC-U5b U U R = 0 to 1/8 +1/16, – 0 +1/16, – 1/8 All —
GMAW
FCAW
TC-U5-GF U U
f = 0 to 1/8
α = 45°
+1/16, – 0
+10°, – 0°
Not limited
+10°, – 5° All
Not
required
R = 0
±0 +1/16, – 0
SAW TC-U5-S U U f = 3/16 max +0, – 3/16 ±1/16
F —
α = 60° +10°, – 0° +10°, – 5°
Reproduced with the permission of the American Welding Society (AWS), Miami, Florida - 09/15/2011
3, 6, 7,
12
3, 6, 7,
12