GATE CE 2019 Set 2 — Question 40
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Structural Engineering → Steel Member Design → Slenderness Ratio
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Question
The critical bending compressive stress in the extreme fibre of a structural steel section is MPa. It is given that the yield strength of the steel is MPa, width of flange is mm and thickness of flange is mm. As per the provisions of IS:800-2007, the non-dimensional slenderness ratio of the steel cross-section is
Correct answer
(B) 0.50
Solution
According to IS:800-2007, the non-dimensional slenderness ratio for lateral torsional buckling, , is calculated as:where:
- is the yield strength of the steel.
- is the elastic critical bending stress.
- MPa
- MPa
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