Title: Listeskrue 3,5x45.pdf
Design of the heat insulation The compressive stresses in the heat insulation shall be calculated according to: 1,5 F  b 2  charF s wThe design value of the compressive stress shall not be greater than 110 % of the compressive stress at 10 % deformation calculated according to EN 826.fischer Power-Fast and Construction ScrewsDesignAnnex B3 of European Technical Assessment ETA-11/0027Page 35 of 37 of European Technical Assessment no. ETA-11/0027, issued on 2016-10-26Design of the screwsThe screws are loaded predominantly axially. The axial tension force in the screw may be calculated fromthe shear loads of the roof Rs:T SR S cos