Girder Roof Truss Design

Contractors and builders know.

Girder roof truss design.

Offering numerous custom design options our trusses present an economical and struc turally superior method for rapid erection. The truss is a framework consisting of rafters posts and struts which supports your roof. 2 roof floor truss manual 7 31 08 10 43 am page 4. Girder trusses are designed to carry additional loads other than standard roof loads.

When it comes to roof trusses you need to consider everything from design to cost to the pros of using trusses instead of stick framing a roof. By clicking the settings button. Girders may also be designed to accommodate special applications or designs. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses.

Mitek trusses provide more design flexibility inside and out than con ventional framing. An advantage of the truss design for roofs is that ducts and pipes that are required for operation of the buildings services can be installed through the truss web i e. Buildings constructed in l or t shapes use girder truss systems where the roof changes direction. You can use the links below to navigate throughout the guide.

Top general geometry for efficient structural performance the ratio of span to truss depth should be chosen in the range 10 to 15. Timber girder trusses are excellent for large buildings and look great with steel joinery. Primarily the role of a girder truss is to support other structural elements in the frame such as traditional trusses rafters or purlins. As we will see below there are several different types of designs and this will impact the angles and designs of the overall truss.

Click reactions or axial force to display your results in a nice clean and easy to interpret graph for your truss design. These loads can be other trusses that attach by sitting on top of the girder or they may attach to the side of the girder using truss hangers. Users can also control settings such as units display settings of truss members etc. 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.

Trusses are commonly used to provide support for roofs bridges and other expansive structures. A girder truss is designed to support other secondary roof supports. 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. For that reason girded trusses are designed to be exceptionally strong and rigid.