The component temperature to be applied at the design time is determined automatically. You can adjust the coefficients used to determine the temperature. In this step, it is best for you to also select the hot-dip galvanizing. According to the DASt Guideline 027 "Determination of Component Temperature of Hot-Dip Galvanized Steel Components in Case of Fire", a lower emissivity of the steel surface is applied up to a limit temperature. Overall, this gives you a lower temperature for the thus more favorable fire resistance design.
Steel Design | Consideration of Hot-Dip Galvanizing of Structural Components for Steel Temperature Determination
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