Floor Plate Allowable Span

The distance you can span a 2 by 10 joist without additional support depends on the species and grade of the wood how far apart the joists are and the expected load on the joists.

Floor plate allowable span.

Dead load weight of structure and fixed loads 10 lbs ft 2. Live load is weight of furniture wind snow and more. 2 grade of douglas fir are indicated below. Maximum floor joist span for no.

The follow web pages contain engineering design calculators that will determine the amount of deflection and stress a flat plate of known thickness will deflect under the specified load and distribution. This sets an allowable first floor live load of 40 psf a dead load of 10 psf and a deflection of l 360. The values given in tables 1 and 2 represent the maximum allowable loads for plywood or osb. Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.

Tables 2a through 2c apply to apa rated osb sheathing apa rated osb structural i sheathing and apa rated osb sturd i floor respectively. Slip resistantfloorplate load table thickness inches span 3003aluminumfloorplate 333 148 83 53 37 0 13 0 30 0 53 0 83 1 19 750 333 188 120 83 61 47 0 09 0 20 0 35 0 55 0 79 1 08 1 41. 1 psf lb f ft 2 47 88 n m 2. Specialty steel manufacturer fabricator distributor since 1952.

Many of the stress and deflection equations and calculators referenced from. The loading includes the weight of the structure and other fixed weights which are defined as the dead load. Brown campbell floor plate product specifications. For this example i ll use the icc which serves as the model for many state and local codes.

Table 1d applies to apa rated plywood structural i sturd i floor. You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths. First check the local code for allowable live load dead load and deflection see figure 2. Engineering calculators menu engineering analysis menu.

For sanded plywood panels see table 3. Brown campbell fiberglass diamond plate flooring load information.