Custom Search




f'm

Compressive strength of masonry units, psi
fps

Average stress in the prestressed reinforcement at
ultimate load, psi
fpu

Specified tensile strength of prestressing tendon, psi
fpy

Yield stress of prestressing tendon corresponding to a 1
percent elongation, psi
fse

Effective stress in prestressed reinforcement after
allowances for all prestress loss, psi
fy

Static yield stress of reinforcement, psi
g

Acceleration due to gravity, ft/sec2
h

Height of masonry wall
h'

Clear height between floor slab and roof slab
I

Moment of inertia, in4
Ia

Average moment of inertia of gross and cracked sections,
in4
Ic

Moment of inertia of cracked section, in4
Ig

Moment of inertia of gross section, in4
In

Moment of inertia of net section, in4
KE

Equivalent elastic stiffness, psi
KLM

Loadmass factor
K1

0.85 for concrete strength up to 4000 psi, and is reduced
0.05 for each 1000 psi in excess of 4000 psi
L

Clear span, ft

Length of diagonal from one corner of masonry wall to
midpoint on the opposite face
LL

Live load, psf
me

Effective unit elastic mass, lbms2/in2
Mu

Ultimate moment capacity, inlb or inlb/in
n

Number of glass pane tests
p

Ratio of nonprestressed tension reinforcement
p'

Compression reinforcement ratio
pp

Prestressed reinforcement ratio
r 

Maximum negative resistance, psi
2.08267


Integrated Publishing, Inc. 