Roof Truss Bottom Chord Splice

A triangle is the simplest form of a truss and the bottom chord is the base piece.

Roof truss bottom chord splice.

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. It is utilized in a framed roof comprised of rafters and a ceiling joist. See detail above splice point top bottom. Typical triangular trusses parts of a truss panel length peak continuous la teral brace 12 slope pitch tru s pl te top chord heel bottom chord bearing point splice panel point w edg block span out to out of bearings cantilever overhang bottom chord length web double cantilever common trusses their spans king post span up to 16 queen.

Spacing the centerline to centerline distance between trusses. The most common form by far is the fink illustrated below. Truss or roof framing showing critical dimensions such as span overhang cantilever slope etc. Most trusses will require splices in the bottom chord and many in the top chord as well.

Span the overall distance between adjacent interior supports or to the outside of supports when at the end of a truss. 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. Net section strength of bottom chord splice joints of mpc wood trusses. Several common wood truss splice joint configurations were tested at varying levels of combined tension and bending loading.

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