Sawn Lumber Beam Bearing Check

House roof beam (tributary width = 8') Species and Grade: Douglas Fir-Larch No.1 Compression flange is fully supported Uniform dead load, wo = 100 p.l.f IT Uniform roof snow load, ws = 400 p.l.L Span length =10 feet 4x beam bent about strong axis Design load combination to be considered = D + S Beam bears on the double top plate of a 2x4 stud wall as shown
WD WS
L= 10'

1. Determine if the bearing stress at the bottom of the beam is less that the NDS code allowable.
2. Calculate the allowable bearing stress on the 2x4 top plate.
   it_. 101
   A_ a

Sample Solution