Question
Download Solution PDFThe shape factor of an I section is
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Shape factor
- It is defined as the ratio of the plastic moment to yield moment.
- It is a function of cross-section or shape and is represented by ' f '.
- \(f = \frac{{{M_P}}}{{{M_y}}} = \frac{{{f_y}{Z_{Pz}}}}{{{f_y}{Z_{ez}}}} = \frac{{{Z_{Pz}}}}{{{Z_{ez}}}}\)
Shape factor for different cross-sectional shapes:
| Section | Shape factor |
| Triangular | 2.34 |
| Diamond | 2 |
| Rectangle / Square | 1.5 |
| I - Section | 1.12 to 1.14 |
| H - Section | 1.5 |
| Circular hollow section | 1.27 |
| Solid Circular section | 1.67 |
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