Fillet Weld Polar Moment of Inertia Equations and Calculation
The following are equations to obtain the Polar Moment of Inertia for "J" welds.
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Weld |
Polar Moment of Inertia |
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Fillet "J" Weld [mm4, in4] |
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Weld |
Polar Moment of Inertia |
| Location Center of Gravity | |
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- |
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| Where: | |
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J |
Polar Moment of inertia [mm4, in4] |
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= Center of Gravity Location [mm, in] |
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= Center of Gravity Location [mm, in] |
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A |
= Height fillet weld [mm, in] |
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B |
= Width of weld [mm, in] |
| s | = Web thickness [mm, in] |
| L | = Length of weld [mm, in] |
| r | = Weld radius [mm, in] |
| t | = Flange thickness [mm, in] |
| H | = Height of fillet weld group [mm, in] |
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