Computer · Design of Steel Structures
If Mmax is the maximum bending moment in a plate girder, pb is the allowable bending stress, and tw is the thickness of the web, then the economical depth of the plate girder as per industrial practice is approximately given by:
- 1(Mmax / (pb × tw))1/2
- 21.1 × (Mmax / (pb × tw))1/2✓
- 31.2 × (Mmax / (pb × tw))1/2
- 41.3 × (Mmax / (pb × tw))1/2
Correct answer
1.1 × (Mmax / (pb × tw))1/2
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