Sample House Component Check
1. Check a ceiling joist (between the second story and the attic) for bending. (see beam homework from chapter 6)
Loads wD = 16 lb/ft
wL = 14 lb/ftLoad combination needs to be determined Span L = 14 ft Trial member size 2x8 Stress grade and species No. 1 Spruce-Pine-Fir Spacing 16 in. OC Unbraced length lu = 0 Moisture content MC ≤ 19% Deflection limits 0.70 in. for L
0.93 in. for (D + L), or (L + 0.5D) if under dry conditionsDry-service conditions Normal temperatures Bending about strong axis