Load Capacity Of 2x8 Floor Joists

1 psf lb f ft 2 47 88 n m 2.

Load capacity of 2x8 floor joists.

I m trying to figure out whether this is a load bearing wall. The live load is the weight of furnishings people and anything else that the floor needs to support but which isn t permanently attached. 2 grade of douglas fir are indicated below. The same wall runs perpendicular to the joists on all 3 floors but not the basement.

The living room floor is over the garage and is supported by 2x10 joists with 16 spacing. Floor joist capacity max working load 3 0 kn m 2 as pdf file floor joist capacity max working load 2 0 kn m 2 floor joist capacities for timber grade c 18 c 24 and c 30 joist center space ranging 300 to 600 mm are indicated in the diagram below. The dead load on the floor is the weight of the floor structure itself and anything else that is permanently attached to the floor. The span where the joists meet the staircase is approximately 13 ft and where.

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. Span calculator for wood joists and rafters also available for the android os. Floor joist span tables for various sizes and species of wood joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2. Lee has over two decades of hands on experience remodeling fixing and improving homes and has been providing home improvement advice for over 12 years.

Stiffening the floor with 2x6 s will raise the frequency and 2x8 s will raise it even more but i don t know a way to calculate whether either one will raise the frequency enough get rid of the spongy feeling. Maximum floor joist span for no. Live load psf dead load psf span calculator for wood joists and rafters available for the iphone. Get shopping advice from experts friends and the community.

Dead load weight of structure and fixed loads 10 lbs ft 2 live load is weight of furniture wind snow and more.