Roof Truss Analysis And Design Pdf

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.

Roof truss analysis and design pdf.

Sppu pune page 1 unit no. Roof truss columns and the joints of the structure. Sres sanjivani college of engineering kopargaon. Abstract the thesis was about structural analysis of identified parts of a warehouse building.

Selection of gantry girder design of cross section check for moment capacity buckling resistance bi axial bending deflection at working load and fatigue strength. Truss facts book an introduction to the history design and mechanics of prefabricated timber roof trusses. 2 0 load analysis span of roof truss 7 2m spacing of the truss 3 0m nodal spacing of the trusses 1 2m. Metal plate connected trusses are used to create arches of all types.

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. As per the requirement of an industrial building the suitable kind of roof truss and portal frame is utilized. Structural design i steel structures prof.

Design of industrial roof truss 1. The parts analysed included. 6b roof truss. There are three kinds of truss namely pitched roof truss parallel chord truss and trapezoidal truss.

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. This difference is more sensitive for long spans and or heavy loads. Truss shapes have almost unlimited variety thus allowing for distinctive roof shapes.