Roof Truss Analysis Example

Roof live load lr 20 psf r10 6 r1 1 0 r1 1 2 0 001 at.

Roof truss analysis example.

State whether the members are in tension or compression. Self weight of long span aluminium roofing sheet 0 55mm gauge thickness 0 019 kn m 2. Example roof truss analysis4 6. We know the basics of equilibrium of bodies.

Example 3 2 determine the force in each member of the roof truss as shown. We will now discuss the trusses that are used in making stable load bearing structures. Lr 20 psf x 0 6 12 psf plr int 12 psf x 25 ft x10 ft 3 00 kdue roof live load. Spacing of the truss 3 0m.

The reactions at the supports are given as shown. Analysis of truss by the methods of joints and by the methods of section is explained in the article. Weight of ceiling adopt 10mm insulation fibre board 0 077 kn m 2. 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.

Nodal spacing of the trusses 1 2m. Example roof truss analysis. The photo below shows a truss girder painted gray supporting the roof of a gymnasium. Roof trusses they are often.

Dead loads on truss girder. A truss girder painted gray and bar joists painted white. The examples of these are the sides of the bridges or tall tv towers or towers that carry electricity wires. Truss analysis using method of joints is greatly simplified if.

Learn truss analysis methods with examples. The photo below shows two types of trusses. 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.