CHAPTER 2 – CONCEPTS IN STRUCTURAL STEEL DESIGN
2-1
(a)
u
(but the column must be checked for an uplift of 4.7 kips.)
(b) 26 kips
n
R
0.90
n
nR
n
(d)
na
n
2-2
nR
n
(d)
17.1 kips Combination 6
na
n
2-3
2-4
2-5
(a)
u
(Combination 5, with Ru = -3.1 psf, would also need to be considered in the design of the
roof in order to prevent uplift.)
(b)