Summary:
The member sizes to be used in a computer analysis are
as follows:
Member
Size
1
W12 x 40
2
W14
x 61
3
W14
x 90
9.
NOTATION.
A

Gross area of section, in2
Ab

Crosssectional area of tension bracing, in2
Aw

Area of web, in2
b

Width of loaded area
bf

Width of flange, in
bh

Tributary width for horizontal loading, ft
bv

Tributary width of vertical loading, ft
B

Blast load, psi
c

Dynamic increase factor
C

Exterior column capacity coefficient
Cb

Bending coefficient
Cc

Column slenderness ratio
Cmx, Cmy
Coefficients applied to bending terms in interaction
formula
C1

Interior column capacity coefficient
C2

Coefficient for singlestory, multibay frame stiffness
factor
d

Depth of section, in
D

Coefficient indicating relative girder to column stiffness
DLF

Dynamic load factor
2.08193