Wood Roof Truss Is An Example Of A

Residential roof trusses as shown in figure a are an engineered configuration of wood members placed to hold the weight of the roof s finishing materials the internal structure s ceiling and any snow load that may occur.

Wood roof truss is an example of a.

As you can see in the pictures the roof and ceiling profiles can be made in many shapes and sizes even in curves. For example a 5 12 2 12 combination has approx. Ce 331 fall 2010 example. For example if a truss has a span of 26 then the bottom chord can be built with two boards 16 and 10 which allows for no scrap and waste and is the most efficient for price savings.

Roof truss span chart author. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Roof trusses are engineered wood alternatives to hand framed rafters. Roof truss analysis 1 6 in this example a parallel chord steel roof truss is analyzed for typical dead and roof live loads.

To put together a simple wooden truss you ll fasten a number of pre cut beams into a chosen configuration inside a sturdy triangular frame which will help distribute the weight of the structure more evenly. Our truss designers have all completed truss technician training from the structural building components association. For example if you compare deflections of a truss with an interior support adjacent to a clear span truss under the same loading condition the clear span truss is likely to deflect more than the adjacent truss with the interior support and that difference can be noticeable even if both trusses meet code deflection criteria. Trusses are commonly used to provide support for roofs bridges and other expansive structures.

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. Live loads are not always present. 2 559 total for wood roof trusses. Examples of live loads are snow wind rain and temporary construction loads.

The photo below shows a truss girder painted gray supporting the roof of a gymnasium. They support live and dead loads by efficiently transferring the loads to the building walls or supports. The same allowable span as a 6 12 3 12.