Structural Steel Roof Truss Design

The truss is made up of howe truss configuration spaced at 3m intervals.
Structural steel roof truss design. 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. 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. The skeletal structure of a roof system 18 0m long and 7 2m wide is as shown in figure below. 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.
Components of a steel roof truss. Our software can design trusses for. As a relatively new building material steel has become especially useful when incorporated into engineered steel trusses and steel plate connected timber trusses. Different steel roof truss designs are prepared depending upon the shape of the structure.
There are parallel and triangular and trapezoidal trusses. 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. 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. 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.