Determine the dead load (in pounds per square foot) of the roofing system. The plywood weighs 3 psf, and the unit weight of the 2 in x 16 in (the actual dimensions are ½ in smaller) southern pine rafters is 53 pcf. The 2" insulation weighs 3 psf, and the asphalt roofing weighs 5.5 psf.
Determine the dead load (in pounds per square foot) of the roofing system. The plywood weighs 3 psf, and the unit weight of the 2 in x 16 in (the actual dimensions are ½ in smaller) southern pine rafters is 53 pcf. The 2" insulation weighs 3 psf, and the asphalt roofing weighs 5.5 psf.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Determine the dead load (in pounds per square foot) of the roofing system. The plywood weighs 3 psf, and the unit weight of the 2 in x 16 in (the actual dimensions are ½ in smaller) southern pine rafters is 53 pcf. The 2" insulation weighs 3 psf, and the asphalt roofing weighs 5.5 psf.
Transcribed Image Text:Determine the dead load (in pounds per square foot) of the roofing system. The plywood weighs
3 psf, and the unit weight of the 2 in x 16 in (the actual dimensions are ½ in smaller) southern
pine rafters is 53 pcf. The 2" insulation weighs 3 psf, and the asphalt roofing weighs 5.5 psf.
three ply felt
tar and gravel
2" insulation
3/4" plywood
12"
152"
20"-
to
20"-
Section
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