Question: Loading: Dead = 2 5 psf ( includes self - weight ) ; Live roof = 2 0 psf; Wind in gravity direction = 1

Loading: Dead =25 psf (includes self-weight); Live roof =20 psf; Wind in gravity direction =16 psf. For ASD or LRFD strength assessment, factor the loads using ASCE 7 chapter 2(see webcourse).Find also the bridging requirement for each final choice (number of rows of top chord bridging see Vulcraftcatalog Table 5.5-1).2. Using the loads given in problem 1 and the load combinations from ASCE 7 section 2.4 for ASD loads, and yourselected joist from problem 1(44LH09), calculate the deflections due to the following load combinations and determine if the deflection limits are satisfied. Calculate this for problem 1b only.Load combination Deflection limitMax deflection of ASD combinations
3,5,6a,7L/240
Lr only L/360 or 1.5 ma
x0.75(Lr+W) L/360 or 1.5 max

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