LOADING
Question
As per IS : 800, for compression flange, the outstand of flange plates should not exceed
A.
12 t
B.
16 t
C.
20 t
D.
25 t
Answer ( Option B)

16 t

Solution

• The outstand of flange plates refers to the distance between the web and the outermost edge of the flange plate.
• This distance should not exceed 16 times the thickness of the thinnest flange plate.
• The reason for this limit is to ensure that the compression flange does not buckle under the applied load. 
• If the outstanding of flange plates is too large, the flange may not be able to resist the compressive forces and may buckle, leading to failure of the beam.
• Therefore, it is important to follow the limit specified by IS 800 for compression flange to ensure the structural integrity of the steel beam.

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