Contents
Fse-tensile-membrane-action-v4.svg (SVG file, nominally 900 × 600 pixels, file size: 9 KB)
Summary
Failure events in NIST's model of a long-span floor truss under assumed temperatures: the catenary stage starts at 565 °C, connection failures follow up to walk-off at 730 °C. Based on Zarghamee, Bolourchi, et al. (2005), pp. xxxviii–xxxix.
Original illustration for Tensile membrane action, level 4 Expert.
- Source basis: Zarghamee, Bolourchi, et al. (2005), pp. xxxviii–xxxix (truss model C32T1 of Floor 96, WTC 1, assumed temperature history), p. 81 (failure sequence, tension of about 12 kip at about 600 °C, caveat)
- Alt text: Timeline from 0 to 750 °C with failure events of a floor truss model, catenary action at 565 °C and walk-off at 730 °C.
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New drawing by Fire Safety Academy. © Fire Safety Academy.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:27, 2 November 2026 | | 900 × 600 (9 KB) | Jan (talk | contribs) | Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity |
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