Steel Roof Truss Design Ppt

All come with 16 overhang past post.

Steel roof truss design ppt.

Detailed design of trusses 5 7 figure 1 7 n truss also with n truss purlins 1 4 aspects of truss design for roof structure 1 4 1 truss or i beam for the same steel weight it is possible to get better performance in terms of resistance and stiffness with a truss than an i beam. If you re looking for a complete guide for roof trusses then you ve come to the right place. All american made engineered agricultural gable trusses 4 12 pitch heavy duty 2 angled steel painted black. Triangles are naturally rigid geometric shapes that resist distortion.

When the metal is cut drilled scratched or welded rust can become a problem. 12 50 a foot up to 20 14 95 a foot over 20 we stock 24 30 and 40 gable trusses and 12 lean to trusses. Beams columns braces plate trusses and fasteners. Options to set the roof girders on wood post or concrete wall also available.

Structural shapes standard steel configurations produced by steel mills such as wide flanges channels angles pipe tubes etc. Handbook of typified designs for structures with steel roof trusses has given table for a type roof span of 9m 12m 18m 24m and 30m lean to type roof of span 9m 12m and 15m with roof slope 1 3 1 4 and 1 5 wind pressure 100kg sqm 150kg sqm and 200kg sqm with column spacing 4 5m and 6m. Gable trusses are in stocked in a 4 12 slope x 20 24 30 and 40 width and special order up to 50 wide 60 for tubing trusses. Roof truss strength derives from the triangle shapes that comprise the truss itself.

Metal roof trusses allow sound to be more easily transmitted. Temperature fluctuations allow them to move more. A sl series truss is a single slope truss that includes steel girders and steel columns with clear span widths from 10 through 80 with available eave heights of 8 through 20. The workers have a higher risk of electrocution when installing the metal roof trusses.

Some of the steel roof trusses generally used are king post queen post fink howe pratt warren fan and north light. While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. It does not include for example. Steel trusses come in three types.

12 50 a foot 12 40 14 95 a foot 42 60 all lean to shed trusses 1 12 pitch. This difference is more. You can use the links below to navigate throughout the guide. Gable lean to and header.

Design table for different geometry of roof truss sp 38.