1. LVL AS A CONSTRUCTION MATERIAL 1.1.2 LVL-C with cross-bonded veneers for robust structural panels LVL-C panel is a cross-bonded panel product with approximately 20% of the veneers glued in a crosswise direction. This enhances the transverse strength and stiffness and the connection ductility of the panel. It is dimensionally stable, as the cross veneers prevent shrinkage and swelling in the event of moisture changes in the panel width direction. LVL-C panels or beams can be used as both horizontal and vertical bearers in numerous construction applications. It is designed for use as a large-dimension load-bearing panel, as well as for structural bracing and stabilizing. LVL-C panel is an ideal component for floor, wall and roof elements, roof and wall panels, and pre-fabricated houses. The panels can be cut to tailored sizes and special shapes for modern timber structures 1, 2. Figure 1.5. LVL-C panels. Figure 1.4. LVL-C roof panels. Table 1.2. Applications for LVL-C. Metsä Wood LVL 01, Table 1.2 Panel applications Features and benefits • Large panel product for roof, floor and wall constructions • Roof overhangs • Pre-fabricated roof, floor and wall elements and modules • Stresses-skin panel elements • Door panels • Strong and rigid: long spans with minimal deflection • Large dimensions: applications in a wide variety of building types • Installation efficiency: large panel for floors, roofs and walls covers vast areas much faster than normal size wood-based panels reducing the amount of lifting required on the construction site. • High and thin beams: energy efficient constructions • Straight and dimensionally stable; does not warp or twist: improves construction quality • Dry from factory: minimal shrinkage in constructions • Customized product dimensions and shapes with minimum waste: applications in a wide variety of building types; savings in material costs and time on construction site • Excellent strength-to-weight ratio: light structures • Great workability: easy to install, staple, nail, drill and cut without special tools • Ductility of connections: improved safety • Strong and rigid in edgewise compression perpendicular to grain direction: better building quality with minimal deformation, suitable for narrow supports • Not sensitive to cracking under tension perpendicular to grain stressed structures: safe connections • Bracing of different size buildings, regardless of frame material: applications in a wide variety of building types; large window openings possible. Other applications • Rim boards • High rafter beams • High lintels and header beams • Frames and truss members • Reinforcement of old structures • Curved components, free-form beams and panels (CNC machining) • Concrete formwork LVL Handbook Europe 11
RkJQdWJsaXNoZXIy MjU0MzgwNw==