- 3 Open Web Steel Joists Are To Be Used To Construct A Roof With A Unit Dead Load Of 20 Psf Including The Weight Of The 1 (18.38 KiB) Viewed 36 times
3. Open web steel joists are to be used to construct a roof with a unit dead load of 20 psf (including the weight of the
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3. Open web steel joists are to be used to construct a roof with a unit dead load of 20 psf (including the weight of the
3. Open web steel joists are to be used to construct a roof with a unit dead load of 20 psf (including the weight of the joists) and unit live load of 25 psf. The joist spacing is 4'-0" 0.c. with a span of 30'-0". Select the lightest joist if deflection under live load is limited to L/360. Show calculations to determine plf. (10 points)
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