Roof Truss Analysis And Design Pdf

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.

Roof truss analysis and design pdf.

Sppu pune page 1 unit no. Permanent dead loads self weight of long span aluminium roofing sheet 0 55mm gauge thickness 0 019 kn m 2 weight of ceiling adopt 10mm insulation fibre board 0 077 kn m 2 weight of services 0 1 kn m 2 weight of purlin assume ch 150 x 75 x 18 kg m 18 x 3m 1 2 x 3 15. 6 6a design of gantry girder. The parts analysed included.

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. 6b roof truss. Many restaurant chains choose to expose their corporate identity in the prefabricated metal plate connected wood truss roof design of their buildings. Metal plate connected trusses are used to create arches of all types.

2 0 load analysis span of roof truss 7 2m spacing of the truss 3 0m nodal spacing of the trusses 1 2m. Design of industrial roof truss 1. Truss shapes have almost unlimited variety thus allowing for distinctive roof shapes. As per the requirement of an industrial building the suitable kind of roof truss and portal frame is utilized.

Roof truss columns and the joints of the structure. Subject of bachelor s thesis structural analysis and design of a warehouse building. Truss facts book an introduction to the history design and mechanics of prefabricated timber roof trusses. Selection of gantry girder design of cross section check for moment capacity buckling resistance bi axial bending deflection at working load and fatigue strength.

This difference is more sensitive for long spans and or heavy loads. Roof truss and portal frame is used to cover and shelter the area of an industrial building. There are three kinds of truss namely pitched roof truss parallel chord truss and trapezoidal truss.