The purpose of this paper is to model the behavior of timber composite beams with interlayer slip, when simultaneously exposed to static loading and fire. A moisture-thermal state of the beams is analyzed by the Luikov equations, and the finite difference method has been used for their discretization. Furthermore, a mechanical behavior of timber composite beams has been modeled by Reissner's kinematic equations [8], which, have been discretized by the finite element method. The obtained results show, that the material properties of timber play an important role in the fire resistance analysis of timber structures when exposed to fire.
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