Contents
Fse-progressive-collapse-v2.svg (SVG file, nominally 900 × 600 pixels, file size: 11 KB)
Summary
Design load, first-yield load and plastic collapse load of the same steel wide-flange beam with simply supported and with fixed ends, in multiples of My/L². Based on Fitzgerald (2002), pp. 1-139 to 1-141.
Original illustration for Progressive collapse, level 4 Expert.
- Source basis: Fitzgerald (2002), pp. 1-139 (shape factor 1.14, factor of safety 1.5, 1.71, fixed-end elastic moments), 1-140 (w_u = 16 M_p/L²) and 1-141 (w_u = 8 M_p/L², fixed ends twice the capacity); values calculated by Fire Safety Academy
- Alt text: Bar chart of design, first-yield and collapse loads for a simply supported and a fixed-ended steel beam; the fixed beam collapses at 2.28 times its design load.
Licensing
New drawing by Fire Safety Academy. © Fire Safety Academy.
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:25, 2 November 2026 | | 900 × 600 (11 KB) | Jan (talk | contribs) | Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity |
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