Queen Post Roof Truss Diagram

This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss.

Queen post roof truss diagram.

Figure 2 shows schematic elevation and plan views of the moxley bridge. There are many types of roof trusses as wall as many types of roofs more types than there are parts. It does not put weight on the centre of the main tie beam as the king post truss. This truss is made from a variety of materials such as timber or steel.

The important point to keep in mind when you use your truss calculator is that every truss calculation is completely unique and is based on the size of your roof and its specific dimensions. This free online truss and roof calculator generates the axial forces and reactions of completely customisable 2d truss structures. Queen post truss is suitable for 8 to 12 meters. A king post uses one central supporting post whereas the queen post truss uses two.

Even though it is a tension member rather than a compression member they are commonly still called a post a queen post is often confused with a queen strut one of two compression members in roof framing which. Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs. The queen post truss is simpler and lighter in weight. 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.

Queen post truss is used when there is a need to cover large areas. Notice that queen post truss system was provided by tension rods and were provided to act as additional supports to the trusses bottom chords. Queen post roof truss queen post truss is define as a pitched roof support using two vertical tie posts connected between the tie beam and the rafters. A king post has a central vertical post as used in architectural or bridge designs working in tension to support a beam below from a truss apex above.

A queen post is a tension member in a truss that can span longer openings than a king post truss. The truss is a framework consisting of rafters posts and struts which supports your roof. The roof truss structure and design is integral to roof structural integrity and shape. Roof truss span tables alpine engineered products 15 top chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 bottom chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2 12 24 24 33 27 27 37 31 31 43 33 33 46 2 5 12 29 29 39 33 33 45 37 38 52 39 40 55 3 12 34 34 46 37 39 53 40 44 60 43 46 64 3 5 12 39 39 53 41 44 61 44 50 65 47 52 70.