1.13 JOINTS BETWEEN LVL PANELS Structurally supported or self-supported joints may be used for the connections of LVL-C panels. The load-bearing capacity depends on the project and must be verified case-specifically, including the connector diameter, minimum insertion depths, spacing, and edge distances. For connector positioning, the acting force direction is parallel to the joint as a default. Figure 1.67 illustrates the principles of panel jointing. In structurally supported panel joints, the panel edges are usually straight and the force acting parallel to the joint is transferred through the load-bearing structure from one panel to the next. Figure 1.67. Structurally supported joint and self-supporting joints of LVL-C panels. Where other structural features allow, a simple solution for a self-supporting joint is to use straight-edged panels and fasten a wooden or steel batten on or under them. Otherwise, the edges of the panels require machining. A common type of machined joint is a half-lap connection where part of the panel thickness is machined to create matching pairs of edges. A separate batten can be placed on the half-lap edges as a surface spline or as an interior spline when the edges are grooved to a tongue profile. Suitable nail and screw sizes are defined in Section 4.7. 1. LVL AS A CONSTRUCTION MATERIAL LVL 01, Figure 1.58 Structurally supported joint Self-supported joints LVL Handbook Europe 49
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