Bar to Plate Welds

Written by Jerry Ratzlaff on . Posted in Welding Engineering

Welding Related Articles

 

bplc 1A

Applied Force on PJP Fillet Weld formulas

\(\large{ \tau = \frac{ 0.707\; F_a}{h\;l}     }\)   
\(\large{ \sigma =  \frac{4.24\; F_a \;L}{h\;l}      }\)  

Where:

\(\large{ \tau }\) (Greak symbol tau) = shear stress

\(\large{ \sigma }\) (Greek symbol sigma) = stress in weld

\(\large{ F_a }\) = total applied force

\(\large{ h }\) = plate thickness

\(\large{ l }\) = length of weld

\(\large{ L }\) = length of bar

 

bplc 2A

Applied Force on CJP Fillet Weld formulas

\(\large{ \tau = \frac{F_a}{2 \;h\;l}     }\)   
\(\large{ \sigma =  \frac{3\; F_a\; L}{h\;l^2}      }\)  

Where:

\(\large{ \tau }\) (Greak symbol tau) = shear stress

\(\large{ \sigma }\) (Greek symbol sigma) = stress in weld

\(\large{ F_a }\) = total applied force

\(\large{ h }\) = plate thickness

\(\large{ l }\) = length of weld

\(\large{ L }\) = length of bar

 

bplc 3B

Bending Moment on PJP Fillet Weld formula

\(\large{ \sigma =  \frac{4.24\;M}{h\;l^2 }    }\)   

Where:

\(\large{ \sigma }\) (Greek symbol sigma) = stress in weld

\(\large{ M }\) = bending moment

\(\large{ h }\) = plate thickness

\(\large{ l }\) = length of welds

 

bplc 4

Bending Moment on CJP Fillet Weld formula

\(\large{ \sigma =  \frac{3\;M}{h\;l^2 }    }\)   

Where:

\(\large{ \sigma }\) (Greek symbol sigma) = stress in weld

\(\large{ M }\) = bending moment

\(\large{ h }\) = plate thickness

\(\large{ l }\) = length of welds

 

bplc 5

Bending Moment on PJP Fillet Weld All Around formula

\(\large{ \sigma =  \frac{4.24\;M}{h \;\left[ w^2 \;+ \;3\;l \; \left( w\; +\; h  \right)  \right] }    }\)   

Where:

\(\large{ \sigma }\) (Greek symbol sigma) = stress in weld

\(\large{ M }\) = bending moment

\(\large{ h }\) = weld thickness

\(\large{ l }\) = length of welds

\(\large{ w }\) = width of bar

 

bplc 6

Torsion Moment on CJP Fillet Weld formula

\(\large{ \sigma =  \frac{T}{ 2\; \left( w \;- \;h \right)\; \left( l\; -\; h \right) \;h  }    }\)   

Where:

\(\large{ \sigma }\) (Greek symbol sigma) = stress in weld

\(\large{ T }\) = torsion moment

\(\large{ h }\) = weld throat thickness

\(\large{ l }\) = length of weld

\(\large{ w }\) = width of bar

 

Tags: Equations for Welded Stress and Strain