Effective cross-section method for timber frame assemblies – definition of coefficients and zero-strength layersTiso, Mattia; Just, Alar; Schmid, Joachim; Klippel, MichaelBook of abstracts of the final conference COST FP 1404 "Fire Safe Use of Bio-Based Building Products", Zürich, 1st and 2nd October 20182018 / p. 20-24 : ill Fire Safe Use of Bio-Based Building Product