Structural Steel Roof Truss Design

It is desired to specify the appropriate angle sections that will safely carry the anticipated loading using eurocode design code specified steel grade s 275.

Structural steel roof truss design. 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. For many single storey buildings sloping roofs on trusses are common. As a relatively new building material steel has become especially useful when incorporated into engineered steel trusses and steel plate connected timber trusses. The skeletal structure of a roof system 18 0m long and 7 2m wide is as shown in figure below.

The truss is made up of howe truss configuration spaced at 3m intervals. 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. Light gage cold formed steel structural steel stainless steel and aluminum.

After that the external load is to be estimated including the self load of the truss. Our software can design trusses for. Top general geometry for efficient structural performance the ratio of span to truss depth should be chosen in the range 10 to 15. Components of a steel roof truss.

Design of roof truss should follow the general layout that is prepared first.