Structural Steel Roof Truss Design

Light gage cold formed steel structural steel stainless steel and aluminum.

Structural steel roof truss design.

The truss is made up of howe truss configuration spaced at 3m intervals. Different steel roof truss designs are prepared depending upon the shape of the structure. There are parallel and triangular and trapezoidal trusses. After that the external load is to be estimated including the self load of the truss.

Design of roof truss should follow the general layout that is prepared first. 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. Truss design estimating d e is a complete automated solution for the design of aluminum or cold formed steel truss building frames with either sloped or arched roof trusses. Our software can design trusses for.

For many single storey buildings sloping roofs on trusses are common. The skeletal structure of a roof system 18 0m long and 7 2m wide is as shown in figure below. Top general geometry for efficient structural performance the ratio of span to truss depth should be chosen in the range 10 to 15. Attempts were made in the 17th and 18th centuries to use iron as reinforcing and structural members especially in bridge design for railroads and other heavy load applications.

When a roof is to be provided for a building which does not have interior supports and the exterior walls are more than 12 m apart a roof truss will be a convenient arrangement to support the roof.