Roof Truss Analysis Example

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

Roof truss analysis example.

We will now discuss the trusses that are used in making stable load bearing structures. 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. Spacing of the truss 3 0m. Roof live load lr 20 psf r10 6 r1 1 0 r1 1 2 0 001 at.

State whether the members are in tension or compression. Span of roof truss 7 2m. Truss analysis using method of joints is greatly simplified if. The reactions at the supports are given as shown.

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. Dead loads on truss girder. Analysis of truss by the methods of joints and by the methods of section is explained in the article. Learn truss analysis methods with examples.

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. At 25 ft x 10 ft panel x 8 panels 2000 sf r1 1 2 0 001 x 2000 sf 0 60.

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

The photo below shows a truss girder painted gray supporting the roof of a gymnasium. In this example a parallel chord steel roof truss is analyzed for typical dead and roof live loads. A truss girder painted gray and bar joists painted white.