Roof Truss Bottom Chord Splice

See detail above splice point top bottom.

Roof truss bottom chord splice.

Net section strength of bottom chord splice joints of mpc wood trusses. The horizontal beam of the triangle of a bottom chord is used in this simple triangle truss construction. The bottom chord is intersected by the top chord and web members at various points throughout the truss creating a joint secured by metal connector plates. Spacing the centerline to centerline distance between trusses.

It is utilized in a framed roof comprised of rafters and a ceiling joist. Truss or roof framing showing critical dimensions such as span overhang cantilever slope etc. Span the overall distance between adjacent interior supports or to the outside of supports when at the end of a truss. The joint configurations were 2x4 lumber with 20 gauge truss plates 2x6 lumber with 20 gauge truss plates and 2x6 lumber with 16 gauge truss plates.

Several common wood truss splice joint configurations were tested at varying levels of combined tension and bending loading. A triangle is the simplest form of a truss and the bottom chord is the base piece. Most trusses will require splices in the bottom chord and many in the top chord as well. A bottom chord can be multiple pieces of lumber secured by a metal plate known as a splice either at a joint or mid panel.

The stability of this shape supported by the bottom chord is the reason for the.