There are six choices.
Floor joist dead load calculator.
This is how far apart they will be.
The user enters the member geometry adds loads holes and other relevant data and then selects a product for analysis.
Of floor area dead load on second floor 20 lbs.
Dead load psf exterior exposure.
Most lay outs are on 16 so the field is pre selected.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
Maximum floor joist span for no.
Span calculator for wood joists and rafters also available for the android os.
It is simple to use yet flexible enough to analyze a variety of common applications.
Of floor area dead load of partitions 20 lbs.
Span calculator for wood joists and rafters also available for the android os.
Live load psf dead load psf span calculator for wood joists and rafters available for the iphone.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.
Dead load of first floor ceiling not plastered 10 lbs.
Live load is weight of furniture wind snow and more.
Bc calc performs engineering analysis to help our customers size beams joists columns studs and tall walls for their building projects.
Select the on center spacing for the joists.
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 these tables can also be used to determine deck joist span.
1 psf lb f ft 2 47 88 n m 2.
1 ft 0 3048 m.
Dead load weight of structure and fixed loads 10 lbs ft 2.
In this case your joists are adequate to support a 30 psf live load and 10 psf dead load.
Span calculator for wood joists and rafters available for the iphone.
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.
2 grade of douglas fir are indicated below.
While every effort has been made to insure the accuracy of the information presented and special effort has been made to assure that the information reflects the state of the art neither the west coast lumber inspection bureau the american wood council nor its members assume any responsibility for any particular design prepared from this online span calculator.
In the example the joists have a spacing of 16 inches and a span of 11 feet 2 inches.
Storage space dead load of partitions 20 lbs.
Dead load of attic floor when floored 20 lbs.
