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.
Steel roof truss design example pdf.
It does not include for example.
Beams columns braces plate trusses and fasteners.
Span a pre manufactured truss maybe wood or cold formed steel.
This difference is more.
The skeletal structure of a roof system 18 0m long and 7 2m wide is as shown in figure below.
Steel roof truss design example pdf cross gabled roof canada pharmacy onlinecross gabled roof go across saddleback roof is a style that contains 2 or even more saddleback roof ridges that converge at an angle many frequently vertical to each other.
To illustrate this a simple design example has been presented.
The aim of this post is to show in the clearest manner how steel roof design can be carried out using eurocode 3 design code.
Structural steel the structural elements that make up the frame that are essential to supporting the design loads e g.
Structural shapes standard steel configurations produced by steel mills such as wide flanges channels angles pipe tubes etc.
Total roof load including roofing purlins sagrods and bracings 2 0 1 5 1 0 4 5 psf purlin spacing s p 21 54 truss spacing s t 30 concentrated roof loads on truss joints 4 5 s p s t 1000 2 91 kips assumed self weight of truss 100 lb ft 0 10 k ft of horizontal span to be equally divided among the top and bottom cords.