LOADING
Question
A simply supported steel beam of 8 m long and subjected to a uniformly distributed load of 10 kN/m. What is the maximum bending stress (fb) of the member at a distance of 50 mm from the neutral axis?
[Take I = 10 × 105 mm4]
A.
400 N/mm2
B.
4000 N/mm2
C.
8000 N/mm2
D.
8000 N/mm2
Answer ( Option B)

4000 N/mm2

Solution

For given beam, maximum bending moment (Mmax)

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