Roof Truss Analysis Example

Weight of ceiling adopt 10mm insulation fibre board 0 077 kn m 2.

Roof truss analysis example.

Span of roof truss 7 2m. Lr 20 psf x 0 6 12 psf plr int 12 psf x 25 ft x10 ft 3 00 kdue roof live load. In this example a parallel chord steel roof truss is analyzed for typical dead and roof live loads. Learn truss analysis methods with examples.

We know the basics of equilibrium of bodies. Dead loads on truss girder. A truss girder painted gray and bar joists painted white. Truss analysis using method of joints is greatly simplified if.

Self weight of long span aluminium roofing sheet 0 55mm gauge thickness 0 019 kn m 2. Roof trusses they are often. Spacing of the truss 3 0m. State whether the members are in tension or compression.

At 25 ft x 10 ft panel x 8 panels 2000 sf r1 1 2 0 001 x 2000 sf 0 60. The examples of these are the sides of the bridges or tall tv towers or towers that carry electricity wires. Example 3 2 determine the force in each member of the roof truss as shown. Example roof truss analysis4 6.

The photo below shows a truss girder painted gray supporting the roof of a gymnasium. We will now discuss the trusses that are used in making stable load bearing structures. Analysis of truss by the methods of joints and by the methods of section is explained in the article. The reactions at the supports are given as shown.

Roof live load lr 20 psf r10 6 r1 1 0 r1 1 2 0 001 at. The photo below shows two types of trusses. Example roof truss analysis.