33 5 387KB
Properties of a Weld Treated as a Line Outline of Welded Joint b=width d=depth
d
X
X
d
X
X
Section Modulus Bending (about horizontal axis X-X)
Polar Moment of Inertia
𝑑2 𝑍= 6
𝑍=
𝐽=
𝑑2 3
𝐽=
𝑑3 12
𝑑 3𝑏 2 + 𝑑2 6
b
d
X
X
𝑍 = 𝑏𝑑
𝐽=
𝑏 3 + 3𝑏𝑑2 6
b
d
X
X
𝑍 = 𝑏𝑑 +
𝑑2 3
𝑍 = 𝑏𝑑 +
𝑑2 6
𝑍 = 𝑏𝑑 +
𝑑2 3
𝐽=
𝑏 3 + 3𝑏𝑑2 + 𝑑3 6
𝑑2 3
𝐽=
2𝑏 3 + 6𝑏𝑑2 + 𝑑3 6
𝐽=
𝑏+𝑑 6
3
b
d
X
X
𝐽=
2𝑏 + 𝑑 12
3
−
𝑏2 𝑏 + 𝑑 2𝑏 + 𝑑
b
d
X
X b
d
X
X
𝑍 = 2𝑏𝑑 +
b
d
X
X
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𝜋𝑑2 𝑍= 4
𝜋𝑑3 𝐽= 4
2