Residential Floor Loading Capacity

Hardwood flooring 4 0 psf 3 4 thick plywood subfloor 2 3 psf 2 x 8 at 16 o c.

Residential floor loading capacity. Dead load weight of structure and fixed loads 10 lbs ft 2. I am considering using a steel center beam and wooden i joists and plywood flooring. Let s work through an example that illustrates the steps involved in using the tables. 1 ft 0 3048 m.

Vigas del piso abarcan carga viva carga muerta tamaño de madera stuctural. Calculation of a floor s load capacity involves a complex combination of joist size joist spacing wood species and lumber grade. This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. 1 psf lb f ft 2 47 88 n m 2.

For the bottom floor of a single story residence no basement. 1 1 8 osb 48 apa span rating 290 psf allowable live load if you will be using osb that is structural 1 sheathing rated the following apa panel trademark ratings should be used. Being a mechanical engineer i m looking for help with wood subfloor loads and capacities. Floor joists span live load dead load lumber size stuctural.

Let s say you re building a 16 foot addition and have to select the correct size and species of lumber for the floor joists. I m designing a residential garage floor that will be supported on framing. I have a 12 x 15 structure supported by 4 block walls with 2 x 10 joists. For example a floor joist at 16 spacing s that can carry 53 pounds per linear foot would translate into a 318 pound single point load at its center.

3 8 osb 24 0 apa span rating 30 psf allowable live load. 1 in 25 4 mm. Live load is weight of furniture wind snow and more.