- See Article - Welded Stress and Strain Connections
Axial Force on fillet Weld formula |
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\( \sigma \;=\; \dfrac{ 1.414 \cdot P }{ h \cdot \left( l_1 + l_2 \right) } \) \( P \;=\; \dfrac{ \sigma \cdot h \cdot \left( l_1 + l_2 \right) }{ 1.414 } \) \( h \;=\; \dfrac{ 1.414 \cdot P }{ \sigma \cdot \left( l_1 + l_2 \right) } \) \( l_1 \;=\; \dfrac{ 1.414 \cdot P }{ \sigma \cdot h } - l_2 \) \( l_2 \;=\; \dfrac{ 1.414 \cdot P }{ \sigma \cdot h } - l_1 \) |
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| Symbol | English | Metric |
| \( \sigma \) (Greek symbol sigma) = stress in weld | \(lbf \;/\; in^2\) | \(Pa\) |
| \( P \) = total axial force | \( lbf \) | \( N \) |
| \( h \) = weld throat thickness | \( in \) | \( mm \) |
| \( l_1 \) = length of weld | \( in \) | \( mm \) |
| \( l_2 \) = length of weld | \( in \) | \( mm \) |
Axial Force on fillet Weld formula |
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\( l_1 \;=\; \dfrac{ 1.414 \cdot P \cdot c_1 }{ \sigma \cdot h \cdot w } \) \( P \;=\; \dfrac{ l_1 \cdot \sigma \cdot h \cdot w }{ 1.414 \cdot c_1 } \) \( c_1 \;=\; \dfrac{ l_1 \cdot \sigma \cdot h \cdot w }{ 1.414 \cdot P } \) \( \sigma \;=\; \dfrac{ 1.414 \cdot P \cdot c_1 }{ l_1 \cdot h \cdot w } \) \( h \;=\; \dfrac{ 1.414 \cdot P \cdot c_1 }{ \sigma \cdot l_1 \cdot w } \) \( w \;=\; \dfrac{ 1.414 \cdot P \cdot c_1 }{ \sigma \cdot h \cdot l_1 } \) |
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| Symbol | English | Metric |
| \( l_1 \) = length of weld | \( in \) | \(\large{ mm }\) |
| \( P \) = total axial force | \( lbf \) | \( N \) |
| \( c_1 \) = distance from shear centre of weld | \( in \) | \( mm \) |
| \( \sigma \) (Greek symbol sigma) = stress in weld | \(lbf \;/\; in^2\) | \(Pa\) |
| \( h \) = weld throat thickness | \( in \) | \( mm \) |
| \( w \) = distance between weld | \( in \) | \( mm \) |
Axial Force on fillet Weld formula |
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\( l_2 \;=\; \dfrac{ 1.414 \cdot P \cdot c_x }{ \sigma \cdot h \cdot w } \) \( P \;=\; \dfrac{ l_1 \cdot \sigma \cdot h \cdot w }{ 1.414 \cdot c_x } \) \( c_x \;=\; \dfrac{ l_1 \cdot \sigma \cdot h \cdot w }{ 1.414 \cdot P } \) \( \sigma \;=\; \dfrac{ 1.414 \cdot P \cdot c_x }{ l_1 \cdot h \cdot w } \) \( h \;=\; \dfrac{ 1.414 \cdot P \cdot c_x }{ \sigma \cdot l_1 \cdot w } \) \( w \;=\; \dfrac{ 1.414 \cdot P \cdot c_x }{ \sigma \cdot h \cdot l_1 } \) |
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| Symbol | English | Metric |
| \( l_2 \) = length of weld | \( in \) | \( mm \) |
| \( P \) = total axial force | \( lbf \) | \( N \) |
| \( c_x \) = distance from shear centre of weld | \( in \) | \( mm \) |
| \( \sigma \) (Greek symbol sigma) = stress in weld | \(lbf \;/\; in^2\) | \(Pa\) |
| \( h \) = weld throat thickness | \( in \) | \( mm \) |
| \( w \) = distance between weld | \( in \) | \( mm \) |
