Numerical analysis of timber beam exposed to fire

Robert Pečenko, Tomaž Hozjan, Goran Turk

Abstract


In this paper the advanced calculation method to determine the response of timber beams during fire is presented. In the first phase of the advanced calculation method the development of temperature across the cross-section of the beam and the char dept are determined. The second phase consists of the mechanical analysis of timber beam. Char dept for one dimensional charring is compared to the empirical values from the literature. In addition, fire resistance calculated with advanced calculation model is compared with the fire resistance calculated with reduced cross-sectional method proposed by Eurocode (EN 1995-1-2 (2005)).

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