plate vibrator

plate vibrator

[′plāt vī′brād·ər]
(engineering)
A mechanically operated tamper fitted with a flat base.

plate vibrator

A mechanically driven tamper having a flat base.
References in periodicals archive ?
P Hutchison, by email A When your drive was first laid, the contractor would have used a heavy plate vibrator to ensure the sand got vibrated right between the blocks.
The other option is to hire a plate vibrator to force the sand between the joints.
Dig to allow for 100mm of sub-base, which must be compacted in two layers by a plate vibrator or earth rammer.
Lay the sub-base material within the edging restraints and compact it firmly with a rubber-faced plate vibrator. This sub-base must be firm and at the right level.
Then compact the entire area with 2 or 3 passes of the plate vibrator. Brush in jointing sand to paved area, ensuring you get sand into all joints between blocks.
A lot depends on how soft the ground is for a driveway but usually excavating 200mm and replacing with a sub-base of 150mm thick hardcore compacted with a plate vibrator will form a firm base.
Hire a plate vibrator to compact and level the area, using dry fine sand between the joints.