How To Size Steel Beam For Roof Load

15 psf x 14ft 210 pounds per lineal foot.

How to size steel beam for roof load.

It even may be less expensive than replacing the wood with wood. If there is are any questions about anything else then you should contact your supplier or an engineer. 1 1 enter the steel beam span length. Measure the distance in inches that you need the steel beam to fill.

910 pounds per lineal foot. If an example roof is 10 feet by 20. Select the steel beam size from the dropdown list. The additional dead load depends.

It has been my experience to never use a beam smaller than a two ply 2 x 8. How to size a beam to hold a porch roof. Pick list all suitable timber and steel sections to design across all timber and steel sections. This calculator matches up with 90 of the applications in the 2012 international residential code book.

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. The dead load is. To do a rough estimate get a copy of the architect s studio companion which is a compendium of useful rules of thumb. Span of beam inches tributary width inches uniform load pounds square foot e g.

1 2 select steel beam size. The length of the steel beam. Alternatively design in a specific timber or steel material type. The roof load is composed of a dead load and a live load.

Enter the length of the steel beam. The weight that the steel beam is required to support. Yield strength of steel ksi e g. No matter what the specs say.

Individual timbers are relatively inexpensive but steel is so much stronger that you need much less of it. A single steel beam can easily span 30 feet. 50 psf x 14ft 700 pounds per lineal foot. Determine the load per square foot that the roof must support.

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. The size of the steel beam you will require will depend primarily on two factors. Multiply the load per square foot by the total area of the roof. Write this figure down on a sheet of paper as your clear span for the beam.