2 0 load analysis span of roof truss 7 2m spacing of the truss 3 0m nodal spacing of the trusses 1 2m.
Roof truss analysis and design pdf.
There are three kinds of truss namely pitched roof truss parallel chord truss and trapezoidal truss.
Metal plate connected trusses are used to create arches of all types.
Sppu pune page 1 unit no.
6b roof truss.
Selection of gantry girder design of cross section check for moment capacity buckling resistance bi axial bending deflection at working load and fatigue strength.
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.
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.
Structural design i steel structures prof.
Roof truss columns and the joints of the structure.
Truss facts book an introduction to the history design and mechanics of prefabricated timber roof trusses.
This difference is more sensitive for long spans and or heavy loads.
Sres sanjivani college of engineering kopargaon.
Roof truss and portal frame is used to cover and shelter the area of an industrial building.
Many restaurant chains choose to expose their corporate identity in the prefabricated metal plate connected wood truss roof design of their buildings.
Truss shapes have almost unlimited variety thus allowing for distinctive roof shapes.
Abstract the thesis was about structural analysis of identified parts of a warehouse building.
As per the requirement of an industrial building the suitable kind of roof truss and portal frame is utilized.
Design of industrial roof truss 1.