Sawn Lumber Beam Bearing Check

by | Nov 11, 2019 | Analysis

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 2×4 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 2×4 top plate.
    it_. 101
    A_ a

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