Wood Floor Loading and SWL

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11 Jul 2009
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OK this may be a silly question but given a typical 7"x2" floor joist with a span <10'0" and a typical floor board (3/4" Pine) what will the SWL be? joists on 16" centres ,area of floor 242 sq ft (22'0" long x 11'0" wide) mounted on 2'x2'x2' foot cube concrete footings x 8 ground base is London clay?????????? please help,,thanks Tony.
 
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aaa i assumed you where doing a calculation on your house and the "red cedar" was a suggested timber that your joists may be made from ;)

i used 3x2" timbers on my shed [12x10ft] spaced 24" appart with support underneath every 24" [slab on sand brick on top with roofing felt to act as a dpm
 
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aaa i assumed you where doing a calculation on your house and the "red cedar" was a suggested timber that your joists may be made from ;)

i used 3x2" timbers on my shed [12x10ft] spaced 24" appart with support underneath every 24" [slab on sand brick on top with roofing felt to act as a dpm
I thank you for your help the Joist timber is scandanavian pine 10'0" long 7"x 2" and using the calulator you gave me gives me a span of 8'6" which is perfect for what im doing ,here in the UK people dont need permission to build what is no more than a glorified shed but i myself prefer the Brunell style of engineering BUILD IT BIG OK :D and according to the building regs im 3x over the minimum requirement for the foundation/floor and substructure..i just wanted to know where the minimum requirement was here in the UK..so not bad for a temp structure :LOL:
 

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