Queen Post Roof Truss Ppt

Queen post truss this truss is differ from a king post truss in having two vertical members known as queen posts.

Queen post roof truss ppt.

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. They look great and offer an open area in the middle of the truss. 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. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.

It offers a good span around 10m and it has a simple design which makes it perfect for a wide range of establishments. A queen post truss is suitable for roof spans varying 8 to 12 m as. The roof truss structure and design is integral to roof structural integrity and shape. A king post uses one central supporting post whereas the queen post truss uses two.

King posts were used in timber framed roof construction in roman buildings and in medieval architecture in buildings such as parish churches and tithe barns the oldest surviving roof truss in the world is a king post truss in saint catherine s monastery egypt built between 548 and 565. There are many types of roof trusses as wall as many types of roofs more types than there are parts. Additional purlins are supported on the queen posts. This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss.

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 queen post is a tension member in a truss that can span longer openings than a king post truss. Queen post truss is defined as a pitched roof support using two vertical tie posts connected between the tie beam and the rafters. The queen post truss is designed to be a very reliable simple and versatile type of roof truss that you can use at any given time.

King posts also appear in gothic revival architecture queen anne style architecture and occasionally in. Queen post timber trusses can easily span 30 feet or more. 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.