Concrete and paving glossary - N
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Nail stakes
 Round
steel pins used to fasten wood forms together and securing them to the
ground by pounding nails through pre-drilled holes in the pins.
They are commonly used in all flatwork applications and for attaching
screed bar holder clamps in flatwork finishing. They typically are made
in 1/2" or 7/8" diameters and come in lengths form 12"
to 48".
See cold-rolled
solid steel form pins, form
pins, flat stakes,
flatwork forms,
and hot-rolled
solid steel form pins.
Neat cement
Unhydrated hydraulic cement. See hydraulic
cement.
Neat cement-paste
A mixture of water and hydraulic cement, both before and after setting
and hardening. See hydraulic
cement.
No-fines concrete
A concrete mixture in which only the coarse gradation (3/8" to
3/4" normally) of aggregate is used. See aggregate.
Non-agitating unit
A truck-mounted unit for transporting ready-mixed concrete short distances,
but not equipped to provide agitation (slow mixing) during delivery.
See agitator truck
and ready-mixed concrete.
Non-air-entrained concrete
Concrete in which neither an air-entraining admixture nor air-entraining
cement has been used. See also air-entrained
agent, admixture,
and air-entrained
concrete.
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