Roof Beam Design Example

F stands for the beam s fiber strength in bending which depends on the species of wood.

Roof beam design example.

Assume the beam will support a plaster ceiling. For the initial calculation f can be estimated at 1 000. Timber beam design seismic forces wind forces floor shearwall diagram lateral loads roof diaphragm design shearwall design. The dimensionally accurate kerto beam structure.

Live load 40 psf figure 1. Roof live load dead load roof cover 1 2 plywood shuttering 1 5 psf roof framing 3 5 psf 1 2 drywall ceiling 2 0 psf insulation 2 0 psf. Use f y 50 ksi. The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.

And e design earthquake load. Roof rafters trusses and beams. L stands for the span of the beam in feet. Design the roof slab beam and column of house given in figure 1.

These beams are used for instance as supporting beams and in ground floors intermediate floors and roof structures. The profiled steel sheeting is transverse to the beam. Roof and wall sheathing gravity and wind loads floor diaphragms and shear walls. Let s consider a basic gable wood roof framing design.

Aug 25 2018 explore angel labayru s board roof beam on pinterest. Floor and roof beams kerto beams are suitable for use as load bearing structures in buildings with for example a timber steel or a concrete frame. Makes effective use of the short cuts and demonstrates them in the examples provided later in the chapter. The short cuts are intended only for the design of.

Steel yield strength fy 40 ksi. Design a composite roof beam of a south kensington station building according to the data given below. Continuing on from part 3. 2 thick brick tile.

Beam design example choose the lightest wide flange steel section available to support a live load of 790 plf and a dead load of 300 plf over a simple span of 18 feet. In the example the beam spans the 10 foot width of the roof. Concrete compressive strength fc 3 ksi. The total load is 4 000 pounds.

S design roof snow load. Floor beam span tables of residential structural design we will now look at roof rafter and beam design. Now the example formula is 4 000 1 000 bd 2 9 x 10. Span length.

The beam is assumed to be no propping required during construction. 6 60 m max bay width. Here we have a wood framed gable roof.