Quantcast Notation -Cont. - dm2_080213

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rb
-
Radius of gyration of bracing member, in
rT
-
Radius of gyration of a section comprising the compression
flange plus 1/3 of the compression web area taken about an
axis in the plane of the web, in
ru
-
Ultimate unit resistance, psi or lb/in
rx, ry -
Radius of gyration in x- and y-axis, respectively, in
Ru
-
Ultimate total resistance, k
S
-
Elastic section modulus, in3
t
-
Sheet thickness, in
tf
-
Flange thickness, in
tw
-
Web thickness, in
T
-
Blast load duration, ms
TN
-
Natural period of vibration, ms
V
-
Support shear, k or lb
Vp
-
Dynamic shear, k or lb
w
-
Weight per unit length, lb/ft or k/ft
Load per unit area, psf
W
-
Total weight, lb
XE
-
Equivalent elastic deflection, in
Xm
-
Maximum deflection, in
Z
-
Plastic section modulus, in3
[alpha]
-
Ratio of total horizontal to vertical peak loading
[beta]
-
Base fixity factor
[gamma]
-
Angle between bracing member and a horizontal plane, degrees
[delta]
-
Relative sidesway deflection between stories
[theta]max - Maximum end rotation
[mu]max
-
Maximum ductility ratio
2.08-196





 


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