Multiple choice

In a plate girder, the web plate is connected to the flange plates by fillet welding. The size of the fillet welds, is designed to safety resist

  1. the bending stresses in the flanges

  2. the vertical shear force at the section

  3. the horizontal shear force between the flanges and the web plate

  4. the forces causing buckling in the web
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 When there is change in the width of section, shear stress increases abruptly and shear strength is less for fillet. Hence, size of fillet weld should be designed to resist horizontal shear force between the flanges and the web plate.

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