Queen Post Roof Truss Diagram

The queen post truss is simpler and lighter in weight.

Queen post roof truss diagram.

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. 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. Figure 2 shows schematic elevation and plan views of the moxley bridge. 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.

There are many types of roof trusses as wall as many types of roofs more types than there are parts. Queen post truss is used when there is a need to cover large areas. The truss is a framework consisting of rafters posts and struts which supports your roof. 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.

A king post uses one central supporting post whereas the queen post truss uses two. 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. This free online truss and roof calculator generates the axial forces and reactions of completely customisable 2d truss structures. A queen post is a tension member in a truss that can span longer openings than a king post truss.

The roof truss structure and design is integral to roof structural integrity and shape. 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. This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss. 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.

In addition diagonal members were also provided as additional supports to the trusses top chords as shown in fig. This rafter truss calculator has a range of applications including being used as a wood truss calculator roof truss calculator roof rafter calculator scissor truss calculator or for roof framing. This truss is made from a variety of materials such as timber or steel. Notice that queen post truss system was provided by tension rods and were provided to act as additional supports to the trusses bottom chords.