What is an external concrete vibrator?
It is a powerful pneumatic vibrator with about 10 to 100 times the force of a standard pneumatic vibrator
Where are external concrete vibrator used?
They are widely used in the construction of precast parts, concrete walls, tunnels, girder bridges and piers
Why do we use concrete vibrators in concrete forms?
Because it forces concrete to flow everywhere in a form,
increases the density and the concrete strength
by removing the majority of entrapped air
Do we have any additional benefits in using an external concrete vibrator?
Yes, with high frequency the concrete surface becomes nice and smooth without bugholes
What is the difference between internal and external vibrators?
Internal vibrators have a snakelike shape and are introduced into the concrete.
External vibrators are mounted on the outside of a form.
They densify and force concrete to flow everywhere regardless the amount of rebar.
Does Powtek offer internal vibrators?
No.... Powtek offers only external vibrators