Posted by dpendzic on April 25, 2020 at 16:33:50 from (24.46.26.214):
In Reply to: Lean to on Shop posted by knightstead on April 25, 2020 at 13:08:37:
assuming a snow/liveload/deadload of 30 psf, a 2x10 with a section modulus of 13.875 in cube, and a 18 ft span at 16 inches on center, the stress in the 2x10 would 1410 psi--depending on the grade of the 2x10 it may be ok--southern pine is graded by the SPIB and they have many many grades up to dense select structural which is good for 2000 psi or more if it was graded lumber there should be a stamp on it stating the grade
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