Floor Load Width

Dead load is the weight of the structure and any fixed items.

Floor load width.

The extra two inches of vertical distance when a floor is framed with 2 x 10 joists rather than 2 x 12s can be quite important for example. Loads should be determined in accordance with this chapter. Common sense tells you that large floor joists can carry more load and spacing joists closer together also increases the load bearing capacity of a floor. Live load is weight of furniture wind snow and more.

However if the attic is intended for storage the attic live load or some portion should also be considered for the design of. Maximum span of 2x6 floor joist. Maximum floor joist span for no. 2 grade of douglas fir are indicated below.

Required size for a given span. Spacing should be interpreted as the centre to centre distance between adjacent parallel members. This chart is for basic reference only. 1 psf lb f ft 2 47 88 n m 2.

If you have any questions you should contact an engineer. In order to use the table select the floor load width from among the top line of the table in this case 1200mm 1800mm etc our example is 2m 2000mm and use the corresponding column 2400mm below to select the appropriate size of bearer from the list on the left and the post spacing measurement to match from within the column. A typical wood frame floor covered with carpet or vinyl flooring has a dead load of about 8 pounds per square foot. Dead load weight of structure and fixed loads 10 lbs ft 2.

But larger is not always better when builders are constructing a home or adding a room addition. Roof load width rlw and floor load width flw can be determined from as1684 or from the images below. The dead load on a floor is determined by the materials used in the floor s construction. Where the bearer supports load bearing walls the type of roof covering also needs to be determined.

Live load represents the weight of furniture snow etc. 2attic loads may be included in the floor live load but a 10 psf attic load is typically used only to size ceiling joists adequately for access purposes. Whether the bearers are supporting load bearing walls or only floor loads the area of the floor supported by an individual bearer must be determined.