Q. For what purpose stiffeners are used in a plate girder?

A
To connect the flange plates to the web
B
To provide web splice
C
To prevent buckling of web
D
To provide splice for flange plates and cover plates
Solution:
  • Stiffeners are secondary plates or sections which are attached to beam webs or flanges to stiffen them against out of plane deformations.
  • Almost all main bridge beams will have stiffeners.
  • Flange stiffeners may be used on large span box girder bridges but are unlikely to be encountered elsewhere.
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