The length of the steel beam.
How to size steel beam for roof load.
You have a choice of w beams s beams or american standard channels.
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.
The size of the steel beam you will require will depend primarily on two factors.
The additional dead load depends.
It even may be less expensive than replacing the wood with wood.
Measure the distance in inches that you need the steel beam to fill.
If there is are any questions about anything else then you should contact your supplier or an engineer.
Individual timbers are relatively inexpensive but steel is so much stronger that you need much less of it.
Yield strength of steel ksi e g.
No matter what the specs say.
Uniformly loaded simple beam steel i beams.
50 psf x 14ft 700 pounds per lineal foot.
The roof load is composed of a dead load and a live load.
Select the steel beam size from the dropdown list.
Alternatively design in a specific timber or steel material type.
To do a rough estimate get a copy of the architect s studio companion which is a compendium of useful rules of thumb.
1 1 enter the steel beam span length.
Determine the load per square foot that the roof must support.
Pick list all suitable timber and steel sections to design across all timber and steel sections.
Write this figure down on a sheet of paper as your clear span for the beam.
Multiply the load per square foot by the total area of the roof.
Span of beam inches tributary width inches uniform load pounds square foot e g.
The weight that the steel beam is required to support.
A single steel beam can easily span 30 feet.
The dead load is.
1 2 select steel beam size.
910 pounds per lineal foot.
Most interior beams need to include the roof load.
15 psf x 14ft 210 pounds per lineal foot.
Enter the length of the steel beam.
How to size a beam to hold a porch roof.