Roof Truss Analysis Example

Roof trusses they are often.

Roof truss analysis example.

State whether the members are in tension or compression. The photo below shows two types of trusses. The reactions at the supports are given as shown. 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. Roof live load lr 20 psf r10 6 r1 1 0 r1 1 2 0 001 at. Example 3 2 determine the force in each member of the roof truss as shown. Learn truss analysis methods with examples.

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. 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. Span of roof truss 7 2m.

Spacing of the truss 3 0m. Self weight of long span aluminium roofing sheet 0 55mm gauge thickness 0 019 kn m 2. Truss analysis using method of joints is greatly simplified if. Example roof truss analysis.

We know the basics of equilibrium of bodies. At 25 ft x 10 ft panel x 8 panels 2000 sf r1 1 2 0 001 x 2000 sf 0 60. Dead loads on truss girder. 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 analysis4 6. The examples of these are the sides of the bridges or tall tv towers or towers that carry electricity wires. A truss girder painted gray and bar joists painted white.