Roof Beam Design Example

The image below shows a cross section of our simple 12 x 13 house from the joist span tables section of this tutorial.

Roof beam design example. Makes effective use of the short cuts and demonstrates them in the examples provided later in the chapter. Now the example formula is 4 000 1 000 bd 2 9 x 10. The profiled steel sheeting is transverse to the beam. 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.

Span length. Design the roof slab beam and column of house given in figure 1. Use f y 50 ksi. For the initial calculation f can be estimated at 1 000.

Let s consider a basic gable wood roof framing design. Design examples comparative shrinkage of sawn timber and glulam beams 499 simple beam design 500 upside down beam analysis 502 tension face notch 504 compression face notch 505 sloped end cut 507 beam stability effective length method 509 beam stability equivalent moment method 512 cantilever beam stability equivalent. See more ideas about roof beam roof trusses roof design. Live load 40 psf figure 1.

Steel yield strength fy 40 ksi. The dimensionally accurate kerto beam structure. In the example the beam spans the 10 foot width of the roof. The beam is assumed to be no propping required during construction.

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. F stands for the beam s fiber strength in bending which depends on the species of wood. S design roof snow load.

Continuing on from part 3. The total load is 4 000 pounds. 2 thick brick tile. Here we have a wood framed gable roof.

The short cuts are intended only for the design of. Timber beam design seismic forces wind forces floor shearwall diagram lateral loads roof diaphragm design shearwall design. 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. Slabs s1 and s2 to be designed.

Concrete compressive strength fc 3 ksi. Roof rafters trusses and beams. 6 60 m max bay width. Floor beam span tables of residential structural design we will now look at roof rafter and beam design.

Roof and wall sheathing gravity and wind loads floor diaphragms and shear walls. Design a composite roof beam of a south kensington station building according to the data given below. Assume the beam will support a plaster ceiling.