Queen Post Roof Truss Ppt

Additional purlins are supported on the queen posts.

Queen post roof truss ppt.

There are many types of roof trusses as wall as many types of roofs more types than there are parts. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. A queen post truss is suitable for roof spans varying 8 to 12 m as. 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.

A queen post is a tension member in a truss that can span longer openings than a king post truss. The upper ends of the queen posts are kept in position by means of a horizontal member known as straining beam. 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. All you need to know the wooden queen post truss differs from a king post truss in having two wooden uprights or vertical members which are known as queen post.

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. 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. Queen post truss is defined as a pitched roof support using two vertical tie posts connected between the tie beam and the rafters. King posts also appear in gothic revival architecture queen anne style architecture and occasionally in.

The roof truss structure and design is integral to roof structural integrity and shape. Queen post roof trusses are very similar in design to king post trusses except that the interior of the truss has two vertical queen posts instead of one central king post. Queen post truss this truss is differ from a king post truss in having two vertical members known as queen posts. A king post uses one central supporting post whereas the queen post truss uses two.

This article and series of illustrated diagrams shows you all the parts of a basic roof truss king truss and queen truss. They look great and offer an open area in the middle of the truss. Queen post timber trusses can easily span 30 feet or more.