Page 513 - Shigley's Mechanical Engineering Design

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488 Mechanical Engineering Design
Table 9–2

Bending Properties of Fillet Welds*

Weld Throat Area Location of G Unit Second Moment of Area
1. d 3
A = 0.707hd x ¯ = 0 I u =
G 12
d y ¯ = d/2
y

2. b d 3
A = 1.414hd x ¯ = b/2 I u = 6
y ¯ = d/2
G d
y
x
3. b bd 2
A = 1.414hb x ¯ = b/2 I u = 2
y ¯ = d/2
G d
y
x
4. b b 2 d 2
A = 0.707h(2b d) ¯ x = I u = (6b + d )
2b + d 12
G d y ¯ d/2
y
x

5. b 2d 3
2
A = 0.707h(b 2d) x ¯ = b/2 I u = − 2d ¯y + (b + 2d ) ¯y 2
y 3
G d 2
d ¯ y =
b + 2d
x
6. b d 2
A = 1.414h(b d) x ¯ = b/2 I u = (3b + d )
6
y ¯ = d/2
G d
y
x
7. b 2d 3
2
A = 0.707h(b 2d) x ¯ = b/2 I u = − 2d ¯y + (b + 2d ) ¯y 2
y 3
d 2
G d ¯ y =
b + 2d
x