Rothoblaas - Wood screws and connectors Page 198
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CALCULATION EXAMPLES: REINFORCEMENT OF BEAM WITH COMPRESSION PERPENDICULAR TO THE FIBRES PROJECT DATA a2,c B = 220 mm Fv,Rd = 158 kN H = 560 mm Fc,90,Rd = 158 kN a = 25 mm Service class = 1 L a = 200 mm Load duration = medium a2 B a2,c a1,c a1 Fv,Rd GL24h Glulam (ρ k = 385 kg/m3) H Fc,90,Rd a La SHEAR VERIFICATION OF SUPPORT (EN 1995:2014) : τd ≤ fv,d τd = 1,5 Fv,Rd B H τd = 1,92 N/mm2 fv,k = 3,50 N/mm2 EN 1995:2014 kmod = 0,8 γM = 1,25 fv,d = 2,24 N/mm2 τd ≤ fv,d Italy - NTC 2018 kmod = 0,8 γM = 1,45 fv,d = 1,93 N/mm2 1,92 < 2,24 N/mm2 τd ≤ fv,d 1,92 < 1,93 N/mm2 verification passed verification passed PERPENDICULAR COMPRESSION VERIFICATION OF SUPPORT-BEAM WITHOUT REINFORCEMENT (EN 1995:2014) : σc,90,d ≤ kc,90· fc,90,d lef,1 = La + a + 30 σc,90,d = Fv,Rd B lef,1 lef,1 = 255 mm σc,90,d= 2,82 N/mm2 kc,90 = 1,75 fc,90,k = 2,50 N/mm2 EN 1995:2014 kmod = 0,8 γM = 1,25 fc,90,d = 1,60 N/mm2 σc,90,d ≤ kc,90 ∙ fc,90,d Italy - NTC 2018 kmod = 0,8 γM = 1,45 fc,90,d = 1,38 N/mm2 2,82 < 2,80 N/mm2 σc,90,d ≤ kc,90 ∙ fc,90,d 2,82 < 2,41 N/mm2 verification not passed verification not passed REQUIRES REINFORCEMENT REQUIRES REINFORCEMENT 198 | VGS | STRUCTURES
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