A wood floor system uses 2×12 joists spanning 16 feet. The joists are spaced 16 inches on center and support a total load of 50 psf. What is the total load on each joist per linear foot?
Correct Answer
A) 67 pounds per linear foot
Each joist supports a tributary width of 16 inches = 1.33 feet. Load per linear foot = 50 psf × 1.33 ft = 66.7 ≈ 67 pounds per linear foot.
Why This Is the Correct Answer
Each joist supports a tributary width of 16 inches = 1.33 feet. Load per linear foot = 50 psf × 1.33 ft = 66.7 ≈ 67 pounds per linear foot.
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