9. CALCULATION EXAMPLES OF LVL STRUCTURES The wall studs is installed on a 120 mm wide LVL 48P sole plate, which has compression perpendicular to the grain flatwise strength fc,90,flat,k = 2,2 N/mm2. The resistance is F_(c,90,d) = N_d = 22,3 kN σ_(c,90,d)=F_(c,90,d)/A_ef =(22,3 kN)/(b∙(l_support+2∙30 m σ_(c,90,d)=1,77 N/mm^2 k_(c,90)∙f_(c,90,flat,d)=k_(c,90)∙k_mod/γ_M ∙f_(c,90,flat,k) k_(c,90)∙f_(c,90,flat,d)=1,4∙0,8/1,2∙2,2 N/mm^2 =2,05 N/mm^2 (kc,90 from Table 4.7) σ_(c,90,d)≤k_(c,90)∙f_(m,0,flat,d) →OK c,0,d c,z∙ c,0,d + m∙ m,y,d m,y,d ≤1 (4.30) 4,1 m Nm2 0,45∙ 17,3 m Nm2 +0,7∙ 6,2 m Nm2 20,7 m Nm2 =0,52+0,7∙ 0,30=0,73→OK c,90,d = d = 22,3 kN c,90,d = c,90,d ef = 22,3 kN ∙ ( support +2∙ 30 mm) = 22,3 kN 120 mm∙ (45 mm + 2∙ 30 mm) c,90,d = 1,77 N/mm2 c,90 ∙ c,90,flat,d = c,90 ∙ mod M ∙ c,90,flat,k c,90 ∙ c,90,flat,d =1,4∙ 0,1 8,2∙ 2,2 m N m2 = 2,05 N/mm2 (kc,90 from Table 4.7) c,90,d ≤ c,90 ∙ m,0,flat,d →OK LVL Handbook Europe 197
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