Overlapping Plate Welds

Written by Jerry Ratzlaff on . Posted in Welding Engineering

Welding Related Articles

 

lpc 1

Axial Force on PJP Fillet Weld, 2 Plates  formula

\(\large{ \sigma =  \frac{ 1.414 \; P }{ \left( t_1 \;+\; t_2  \right) \;L  }    }\)   

Where:

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

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

\(\large{ t }\) = plate thickness / weld thickness

\(\large{ P }\) = total axial force

 

lpc 4

Axial Force on PJP Fillet Weld, 2 Plates Formula

\(\large{ \sigma =  \frac{ 0.707 \; P }{ t \; l }    }\)   

Where:

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

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

\(\large{ t }\) = plate thickness / weld thickness

\(\large{ P }\) = total axial force

 

lpc 2

Axial Force on PJP Fillet Weld, 2 Plates, Weld 3 formula

\(\large{ \sigma =  \frac{ 0.707\; P }{ t \; l }    }\)   

Where:

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

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

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

\(\large{ P }\) = total axial force

 

lpc 5

Axial Force on PJP Fillet Weld, 2 plates, Weld 2 formula

\(\large{ \sigma =  \frac{ 0.707 \; P }{ t \; l }    }\)   

Where:

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

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

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

\(\large{ P }\) = total axial force

 

lpc 3

Axial Force on PJP Fillet Weld, 3 Plates formula

\(\large{ \sigma =  \frac{ 0.707 \; P }{ t \; L }    }\)   

Where:

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

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

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

\(\large{ P }\) = total axial force

 

lpc 6Axial Force on PJP Fillet Weld, 2 Plates formula

\(\large{ \sigma =  \frac{ 1.414 \; P }{ \left( t_1 \;+\; t_2  \right) \; L     }    }\)  (Weld A)
\(\large{ \sigma =  \frac{ 1.414 \; P \; t_2 }{ \left( t_1 \;+\; t_2  \right) \; t_3 \; L     }    }\) (Weld B)

Where:

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

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

\(\large{ t_1 }\) = plate thickness

\(\large{ t_2 }\) = plate fhickness

\(\large{ t_3 }\) = weld throat thickness

\(\large{ P }\) = total axial force

 

lpc 7Axial Force on PJP Fillet Weld, 3 Plates formula

\(\large{ \sigma =  \frac{ 0.354 \; P }{ t \; l }    }\)   

Where:

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

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

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

\(\large{ P }\) = total axial force

 

lpc 8Axial Force on PJP Fillet Weld, 3 Plates formula

\(\large{ \sigma =  \frac{ 1.414 \; P }{  2 \; t \; l \;+\; t_1 \; L    }    }\)  (Fillet weld)
\(\large{ \sigma =  \frac{ P }{  2 \; t \; l \;+\; t_1 \; L   }    }\) (Butt weld )

Where:

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

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

\(\large{ L }\) = length of bottom plate weld

\(\large{ t }\) = top plate thickness

\(\large{ t_1 }\) = bottom plate fhickness

\(\large{ P }\) = total axial force

 

Tags: Equations for Welded Stress and Strain