Formwork for Concrete Structures by R.L.Peurifoy and G.D- By EasyEngineering.net

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Abbreviations
and Symbols
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A area
ACI American Concrete Institute
b width of a beam, in.
c distance from neutral axis of beam to extreme fiber in
bending, in.
cu ft cubic feet
cu yd cubic yard
d depth of a beam, in.
∆ deflection of a member, in.
E modulus of elasticity, lb per sq in.
F allowable unit stress, lb per sq in.
f applied unit stress, lb per sq in.
fbm feet board measure, of lumber
ft feet
h height of form, ft
I moment of inertia of a beam about its neutral axis, in. 4
Ib/Q rolling shear constant, in. 2
in. inches
L length of a beam or column, ft
l length of a beam or column, in.
lb pounds
M bending moment of a beam, in.-lb
NDS National Design Specification, for wood
P total concentrated load, lb
p unit pressure produced by concrete on forms, lb per
sq ft
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