Roof Truss Analysis Example

Self weight of long span aluminium roofing sheet 0 55mm gauge thickness 0 019 kn m 2.

Roof truss analysis example.

At 25 ft x 10 ft panel x 8 panels 2000 sf r1 1 2 0 001 x 2000 sf 0 60. A truss girder painted gray and bar joists painted white. Spacing of the truss 3 0m. We will now discuss the trusses that are used in making stable load bearing structures.

Roof live load lr 20 psf r10 6 r1 1 0 r1 1 2 0 001 at. In this example a parallel chord steel roof truss is analyzed for typical dead and roof live loads. Truss analysis using method of joints is greatly simplified if. Example roof truss analysis.

Plr ext 12 psf x 25 ft x 10 2 ft 1 50 kdue roof live load 7 3 k 1 5 k 1 5 k. Analysis of truss by the methods of joints and by the methods of section is explained in the article. The photo below shows two types of trusses. Lr 20 psf x 0 6 12 psf plr int 12 psf x 25 ft x10 ft 3 00 kdue roof live load.

Nodal spacing of the trusses 1 2m. The reactions at the supports are given as shown. Span of roof truss 7 2m. Weight of ceiling adopt 10mm insulation fibre board 0 077 kn m 2.

Ce 331 summer 2015 roof truss analysis example 1 3 in this example a parallel chord steel roof truss girder is analyzed for typical roof dead and live loads. Example 3 2 determine the force in each member of the roof truss as shown. We know the basics of equilibrium of bodies. The examples of these are the sides of the bridges or tall tv towers or towers that carry electricity wires.

Example roof truss analysis4 6. The photo below shows a truss girder painted gray supporting the roof of a gymnasium. Roof trusses they are often.