Page 23 - Design of Reinforced Masonry Structures

xxii NOTATION

B vb = allowable shear load on an anchor bolt when governed by masonry breakout,
lb (N)
B vc = allowable shear load on an anchor bolt when governed by masonry crushing,
lb (N)
B vn = nominal shear load on an anchor bolt, lb (N)
B vnb = nominal shear strength of an anchor bolt when governed by masonry breakout,
lb (N)
B vnc = nominal shear strength of an anchor bolt when governed by masonry crushing,
lb (N)
B vns = nominal shear strength of an anchor bolt when governed by steel yielding,
lb (N)
B vpry = allowable shear load on an anchor bolt when governed by anchor pryout,
lb (N)
B vnpry = nominal shear strength of an anchor bolt when governed by anchor pryout,
lb (N)
B vs = allowable shear load on anchor bolt when governed by steel yielding
b = width of section, in. (mm)
b a = total applied design axial force on an anchor bolt, lb (N)
b af = factored axial force in an anchor bolt, lb (N)
b v = total applied design shear force on an anchor bolt, lb (N)
b vf = factored shear force in an anchor bolt, lb (N)
b w = width of wall beam
C = deflection amplification factor
d
c = distance from the neutral axis to extreme compression fiber, in. (mm)
D = dead load or related internal forces and moments
d = distance from the extreme fibers of a flexural member to the centroid of longi-
tudinal tension reinforcement, in. (mm)
d = diameter of the reinforcing bar or anchor bolt, in. (mm)
b
d = actual depth of masonry in the direction of shear considered, in. (mm)
v
E = load effects of earthquake or related internal forces and moments
E = modulus of elasticity of AAC masonry in compression, psi (MPa)
AAC
E = modulus of elasticity of masonry in compression, psi (MPa)
m
E = modulus of elasticity of steel, psi (MPa)
s

E = modulus of rigidity (shear modulus) of masonry, psi (MPa)
v
e = eccentricity of axial load, in. (mm)
e = projected leg extension of bent bar anchor, measured from inside edge of anchor
b
at bend to farthest point of anchor in the plane of the hook
e = eccentricity of P , in. (mm)
u uf
F = lateral pressure of liquids or related internal forces and moments
F a = allowable compressive stress due to axial load only, psi (MPa)
F b = allowable compressive stress due to flexure only, psi (MPa)
F s = allowable tensile or compressive stress in reinforcement, psi (MPa)