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al-supplementAlabama State Supplementhard

According to Alabama building codes, what is the maximum allowable deflection for a floor joist with a 16-foot span under live load?

Correct Answer

D) L/360 (0.53 inches)

Alabama building code limits floor joist deflection to L/360 under live load. For 16 feet: (16 × 12) ÷ 360 = 0.53 inches.

Answer Options
A
L/180 (1.07 inches)
B
L/300 (0.64 inches)
C
L/240 (0.8 inches)
D
L/360 (0.53 inches)

Why This Is the Correct Answer

Alabama building code limits floor joist deflection to L/360 under live load. For 16 feet: (16 × 12) ÷ 360 = 0.53 inches.

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