Subject: Design and Drawing of Steel Structure

Topic: Plate Girder

Difficulty: Medium

A simply supported welded plate girder of span 12 m is subjected to DL of 20 KN/m and LL of 20KN/m excluding self -weight, its also subjected to two point load of 600 KN at 4m from each support, the depth of plate girder is laterally supported throughout. Assuming the depth of plate girder restricted to 1500 mm and NO intermediate stiffeners are provided design,

i)Design, give relevant check and draw cross section of plate girder

ii)Design end stiffeners

Given:

L = 12 m, DL = 20 kN/m (excluding self wt), LL = 20 kN/m, 2 point load of 600 kN at 4m from each support, D = 1500mm restricted.

To know: Design of welded plate girder with end bearing stiffeners.

1) Load calculations:

Assume self wt of girder/m …