File:Fse-spalling-v4.svg

Fse-spalling-v4.svg (SVG file, nominally 900 × 600 pixels, file size: 9 KB)

Summary

Polypropylene fibres melt at about 170 °C and leave channels through which water vapour can escape. Based on Kodur and Harmathy (2002), p. 1-171, and National Research Council of Canada et al. (2005), p. 2.6-9.

Original vector illustration for Spalling, level 2 Intermediate.

Source basis: Kodur and Harmathy (2002), p. 1-171; National Research Council of Canada et al. (2005), p. 2.6-9; Fleischmann and Buchanan (2002), p. 4-255
Alt text: Two close-ups of concrete with thin fibres: intact before the fire, melted into channels for escaping steam during the fire.

Licensing

New drawing by Fire Safety Academy. © Fire Safety Academy.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:14, 2 November 2026		900 × 600 (9 KB)	Lisa (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Spalling

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Short title	Polypropylene fibres melt at about 170 °C and leave channels through which water vapour can escape. Based on Kodur and Harmathy (2002), p. 1-171, and National Research Council of Canada et al. (2005), p. 2.6-9.
Image title	Two close-ups of concrete with thin fibres: intact before the fire, melted into channels for escaping steam during the fire. Source basis: Kodur and Harmathy (2002), p. 1-171; National Research Council of Canada et al. (2005), p. 2.6-9; Fleischmann and Buchanan (2002), p. 4-255
Width	900
Height	600