Quantcast Notation -Cont. - dm2_080284

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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
-
Load-mass 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, lb-ms2/in2
Mu
-
Ultimate moment capacity, in-lb or in-lb/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
2.08-267





 


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