Civil Engineering - Steel Structure Design - Discussion

Discussion Forum : Steel Structure Design - Section 1 (Q.No. 37)
37.
A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than
d/250 for structural steel
d/225 for high tensile steel
both (c) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
11 comments Page 2 of 2.

ALEEM IQBAL said:   12 months ago
If d/tw≤85.
No stiffeners are required.

If 85≤d/tw≤200.
Vertical stiffeners are required.

If 200≤d/tw≤250
The Vertical stiffener and one horizontal stiffener is provided at a distance of 2/5 from the compression flange to the neutral

If 250≤d/tw≤400.
Plus one horizontal stiffener at neutral.

At support and concentrated load.
Bearing stiffeners are provided under concentrated load to avoid local bending of the flange as well as local buckling of the web.


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