Civil Engineering Reference
In-Depth Information
P-Delta
The effect of the vertical loads causing secondary
moments due to their defl ected position under
transverse load
psi
Stress; pounds per square inch
Purchaser
Utility, contractor, or consultant
spirals or
Containment reinforcing steel in a spiral con-
spiral wire
fi guration, enclosing the main longitudinal
reinforcing
prestressing steel. Used to prevent tip and butt
cracking under transfer of prestress and to provide
shear and torsional reinforcing where needed
spun cast
Synonymous with “centrifugally spun” or “spun.”
The creation of a dense concrete product by apply-
ing centrifugal forces to the wet mix by spinning the
entire mold for a set period of time
static cast
The casting of concrete products by pouring the wet
mix into a stationary open mold and using internal
vibrators to consolidate the mix
taper
The total change in pole outside diameter (measured
in inches per ft of length) along the longitudinal
length of the pole
tip
Synonymous with “top” when referring to the small
end of a tapered pole
void taper
The total change in inside void diameter (in inches
per ft of length) along the longitudinal length of the
pole
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