How To Size Steel Beam For Roof Load

If there is are any questions about anything else then you should contact your supplier or an engineer.

How to size steel beam for roof load.

Select the steel beam size from the dropdown list. The dead load is. Measure the distance in inches that you need the steel beam to fill. Enter the length of the steel beam.

It has been my experience to never use a beam smaller than a two ply 2 x 8. Most interior beams need to include the roof load. 1 2 select steel beam size. Yield strength of steel ksi e g.

How to size a beam to hold a porch roof. If an example roof is 10 feet by 20. To do a rough estimate get a copy of the architect s studio companion which is a compendium of useful rules of thumb. This calculator matches up with 90 of the applications in the 2012 international residential code book.

It is important to list live load dead load and total load separately because live load is used to compute stiffness and total load is used to calculate strength. Pick list all suitable timber and steel sections to design across all timber and steel sections. Uniformly loaded simple beam steel i beams. The length of the steel beam.

The size of the steel beam you will require will depend primarily on two factors. A single steel beam can easily span 30 feet. Distance from roof beam to next roof support i e the span of the rafter or roof truss from the roof beam to the next adjacent beam or wall. Alternatively design in a specific timber or steel material type.

The additional dead load depends. No matter what the specs say. 50 psf x 14ft 700 pounds per lineal foot. Determine the load per square foot that the roof must support.

Multiply the load per square foot by the total area of the roof. You have a choice of w beams s beams or american standard channels. 15 psf x 14ft 210 pounds per lineal foot. Individual timbers are relatively inexpensive but steel is so much stronger that you need much less of it.

Write this figure down on a sheet of paper as your clear span for the beam. Span of beam inches tributary width inches uniform load pounds square foot e g. 1 1 enter the steel beam span length. The roof load is composed of a dead load and a live load.