The Structural Engineer > Archive > Volume 31 (1953) > Issues > Issue 11 > Correspondence The Fire Endurance of Timber Beams and Floors
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Correspondence The Fire Endurance of Timber Beams and Floors

Sir-Our attention has been drawn by Mr. C. F. Fischl, of the Joint Fire Research Organisation, to a simplified method of calculating the fire endurance of timber beams. In the paper referred to* a family of curves is used (Figs. 7 and 8) to obtain the fire endurance (t) for various sizes of beams with different values of the ratio - applied load / ultimate load (v).