Residential Floor Dead Load Psf

Light frame 2x12 wood floor with 3 4 inch wood structural panel sheathing and 1 2 inch gypsum board ceiling without 1 2 inch gypsum board subtract 2 psf from all values with carpet vinyl or similar floor covering.

Residential floor dead load psf. For this example i ll use the icc which serves as the model for many state and local codes. For residential floors the live load is usually considered to be 30 to 40 pounds per square foot psf although this varies depending on the location within the home. For the bottom floor of a single story residence no basement. 0 9d 1 0w a load factor of 1 6 when adding to load 7.

In the example the joists have a spacing of 16 inches and a span of 11 feet 2 inches. Step 1 check the code. These tables are from the cabo one and two family dwelling code. The house acts as a structural system resisting dead loads.

Since it is possible to use the attic for storage the live load of the attic floor is set at 20 psf according to code. As a result the live load dead load and distribution of forces are different. Total dead loads 6 2 2 8 1 0 10 0 psf live load 20 psf. The span table for a 30 psf live load 10psf dead load floor indicates a required fb value of 1 315 and a minimum e value of 1 800 000.

Minimum design loads for buildings and other structures location uniform load psf kn m2 apartments see residential access floor systems office use. Figure 2 live loads and deflection limits are set by code. In this case your joists are adequate to support a 30 psf live load and 10 psf dead load. This sets an allowable first floor live load of 40 psf a dead load of 10 psf and a deflection of l 360.

Minimum uniformly distributed live loads adapted from sei asce 7 10. This sets an allowable first floor live load of 40 psf a dead load of 10 psf and a deflection of l 360. Unlike the trussed roof live load and dead load of the rafters and ceiling joists must be accounted for as separate systems. The term live load refers to the total load carried by the floor including furnishing occupants and other objects being stored.

The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings. May be less depending on roof slope.