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Tee Plate Welds

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bplc 1A

Axial Force on CJP Fillet Weld formula

  • Complete Joint Penetration  -  Weld completely fills the gap between the two pieces.
\( \sigma \;=\;  P \;/\; t \; L  \) 
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( L \) = Weld Length \( in \) \( mm \)
\( t \) = Plate Thickness \( in \) \( mm \)
\( P \) = Total Axial Force \( lbf \) \( N \)


 

bplc 4

Bending Moment on CJP Fillet Weld formula

  • Complete Joint Penetration  -  Weld completely fills the gap between the two pieces.
\( \sigma \;=\;  6 \; M \;/\; L \; t^2 \) 
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( M \) = Bending Moment \(lbf\;/\;sec\) \(kg-m\;/\;s\)
\( t \) = Plate Thickness \( in \) \( mm \)
\( L \) = Weld Length \( in \) \( mm \)

 

 

bplc 4

Perpendicular Force on CJP Fillet Weld formulas

  • Complete Joint Penetration  -  Weld completely fills the gap between the two pieces.

\( \sigma \;=\;  6 \; P \; H \;/\; L \; t^2  \) 

\( \tau \;=\;  P \;/\; L \; t  \)
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( \tau \) (Greak symbol tau) = Shear Stres \(lbf\;/\;in^2\) \(Pa\)
\( H \) = Height of Lever Arm \( in \) \( mm \)
\( L \) = Weld Length \( in \) \( mm \)
\( t \) = Plate Thickness \( in \) \( mm \)
\( P \) = Total Applied Force \( lbf \) \( N \)

 

 

bplc 4

Axial Force on CJP Fillet Weld formula

  • Complete Joint Penetration  -  Weld completely fills the gap between the two pieces.
\( \sigma \;=\;  P \;/\; ( h_1 + h_2)  \; L  \)
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( L \) = Weld Length \( in \) \( mm \)
\( P \) = Total Applied Force \( lbf \) \( N \)
\( h_1 \) = Weld Penetration \( in \) \( mm \)
\( h_2 \) = Weld Penetration \( in \) \( mm \)

 

 

bplc 4

Bending Moment on CJP Fillet Weld formula

  • Complete Joint Penetration  -  Weld completely fills the gap between the two pieces.
\( \sigma \;=\;  3 \; t \; M \;/\; L \; h \; ( 3 \; t^2 - 6 \; t \; h + 4 \; h^2 )  \) 
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( M \) = Bending Moment \(lbf\;/\;sec\) \(kg-m\;/\;s\)
\( L \) = Weld Length \( in \) \( mm \)
\( t \) = Plate Thickness \( in \) \( mm \)
\( h \) = Weld Penetration \( in \) \( mm \)

 

 

bplc 4

Perpendicular Force on CJP Fillet Weld formulas

  • Complete Joint Penetration  -  Weld completely fills the gap between the two pieces.

\( \sigma \;=\;  3 \; t \; P \; H \;/\; L \; h \; ( 3 \; t^2 - 6 \; t \; h + 4 \; h^2 )  \) 

\( \tau \;=\;  P \;/\; 2 \; L \; h  \)
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( \tau \) (Greak symbol tau) = Shear Stress \(lbf\;/\;in^2\) \(Pa\)
\( H \) = Height of Lever Arm \( in \) \( mm \)
\( L \) = Weld Length \( in \) \( mm \)
\( t \) = Plate Thickness \( in \) \( mm \)
\( P \) = Total Applied Force \( lbf \) \( N \)
\( h \) = Weld Penetration \( in \) \( mm \)

 

 

bplc 4

Axial Force on PJP Fillet Weld formula

  • Partial Joint Penetration  -  Weld fills a portion of the gap between the two pieces.
\( \sigma \;=\;  0.707 \; P \;/\; h \; L \) 
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( h \) = Weld Thickness \( in \) \( mm \)
\( L \) = Weld Length \( in \) \( mm \)
\( P \) = Total Applied Force \( lbf \) \( N \)

 

 

bplc 4

Bending Moment on PJP Fillet Weld formula

  • Partial Joint Penetration  -  Weld fills a portion of the gap between the two pieces.
\( \sigma \;=\;  1.414 \; M \;/\; h \; L \; ( t + h )   \) 
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( M \) = Bending Moment \(lbf\;/\;sec\) \(kg-m\;/\;s\)
\( t \) = Plate Thickness \( in \) \( mm \)
\( h \) = Weld Thickness \( in \) \( mm \)
\( L \) = Weld Length \( in \) \( mm \)

 

 

bplc 4

Perpendicular Force on PJP Fillet Weld formulas

  • Partial Joint Penetration  -  Weld fills a portion of the gap between the two pieces.

\( \sigma \;=\; [\; P \;/\; L\;h \; ( t + h ) \;]  \; \sqrt{ 2 \; H^2 + [\; ( t + h )^2  \;/\; 2 \;] } \) 

\( \tau \;=\;  0.707 \; P \;/\; L \; h   \)
Symbol English Metric
\( \sigma \) (Greek symbol sigma) = Weld Stress \(lbf\;/\;in^2\) \(Pa\)
\( \tau \) (Greak symbol tau) = Shear Stress \(lbf\;/\;in^2\) \(Pa\)
\( H \) = Height of Lever Arm \( in \) \( mm \)
\( L \) = Weld Length \( in \) \( mm \)
\( t \) = Plate Thickness \( in \) \( mm \)
\( P \) = Total Applied Force \( lbf \) \( N \)
\( h \) = Weld Penetration \( in \) \( mm \)

 

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Tags: Welded Stress and Strain

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