Issue 46

S. Motsa et alii, Frattura ed Integrità Strutturale, 46 (2018) 124-139; DOI: 10.3221/IGF-ESIS.46.13

20 to 580 o C is denoted. In Fig. 8a is shown that at this time, elevated temperatures have been distributed through the thickness of the steel flange and tend to spread in the web.

Figure 7 : Force – displacement diagrams for the unprotected and the fire protected structure (one fire protection board)

a) b) c) Figure 8 : Temperature ( o C) distribution at the unprotected structure at the a) 5 th b) 46 th c) 75th minute (end of analysis), of the fire event.

a) b) Figure 9 : Equivalent plastic strain distribution at the unprotected structure at the a) 46 th b) 75 th minute (end of analysis), of the fire event.

130