Calculation of weld length

The length of the weld size La is calculated according to Ref.[32] part 4.5.3.3..

The default throat thickness a is equal to plate thickness/2.

with

a

the throat thickness

La

the weld size length

t

the plate thickness

Fw;Rd

the weld design resistance per unit length

fvw.d

the design shear strength of the weld

fu

the ultimate tensile strength of the weld

βw

the correlation factor

γM3

the partial safety factor for resistance of welds

NRd

the design resistance

Nu,Rd

the design ultimate resistance

Npl,Rd

the design plastic resistance

 

Steel grade

Ultimate tensile strength

(N/mm²)

βW

Fe 360

360

0.80

Fe 430

430

0.85

Fe 510

510

0.90