2. LVL STRUCTURES IN FLOORS, WALLS, ROOFS AND IN SPECIAL APPLICATIONS LVL 02, Figure 2.40.B 45 39 33 27 24 0,0 0,2 0,4 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0 2,2 Maximum span length [m] LVL 36 C ROOFING PANEL, MULTIPLE SPAN PERPENDICULAR TO GRAIN, SURFACE STRUCTURE 0,20 kN/m2 sk = 0,65 kN/m2 sk = 1,5 kN/m2 sk = 2,75 kN/m2 Panel thickness [mm] 45 39 33 27 24 0,0 0,2 0,4 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0 2,2 Maximum span length [m] LVL 36 C ROOFING PANEL, MULTIPLE SPAN PERPENDICULAR TO GRAIN, SURFACE STRUCTURE 0,60 kN/m2 sk = 0,65 kN/m2 sk = 1,5 kN/m2 sk = 2,75 kN/m2 Panel thickness [mm] 75 69 63 57 51 45 39 33 27 24 0,0 0,2 0,4 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0 2,2 Maximum span length [m] LVL 36 C ROOFING PANEL, SINGLE SPAN PERPENDICULAR TO GRAIN, SURFACE STRUCTURE 0,20 kN/m2 sk = 0,65 kN/m2 sk = 1,5 kN/m2 sk = 2,75 kN/m2 Panel thickness [mm] 75 69 63 57 51 45 39 33 27 24 0,0 0,2 0,4 0,6 0,8 1,0 1,2 1,4 1,6 1,8 2,0 2,2 Maximum span length [m] LVL 36 C ROOFING PANEL, SINGLE SPAN PERPENDICULAR TO GRAIN, SURFACE STRUCTURE 0,60 kN/m2 sk = 0,65 kN/m2 sk = 1,5 kN/m2 sk = 2,75 kN/m2 Panel thickness [mm] Figure 2.44. Span tables of multiple span LVL-C roof panels for predesign. Span length perpendicular to grain of surface veneers. Calculations according to EN 1995-1-1:2004+A1:2008 and its Finnish National Annex. Service class 2, Loads: g2 = own weight of surface structure, sk = snow load at ground level; 0,8 ∙ sk = snow load at roof level. Wind load wk = 0,4kN/m2, maintenance load q H = 0,4 kN/m2. Point loads are not taken into account. Deflection limit wnet,fin ≤ L/100. Figure 2.43. LVL-C roof panel orientations. Left: single span and multiple span parallel to grain of surface veneers. Right: single span and multiple span perpendicular to grain of surface veneers. LVL Handbook Europe 77
RkJQdWJsaXNoZXIy MjU0MzgwNw==