In construction, there are three main types of compactor: the plate, the “jumping jack” and the road roller.
The roller type compactors are used for compacting crushed rock as the base layer underneath concrete or stone foundations or slabs.
The plate compactor (vibratory rammer) has a large vibrating baseplate and is suited for creating a level grade, while the jumping jack compactor has a smaller foot.
The jumping jack type is mainly used to compact the backfill in narrow trenches for water or gas supply pipes etc. Road rollers may also have vibrating rollers.
10. Articulated Hauler Truck
An articulated hauler, articulated dump truck (ADT), or sometimes a dump hauler, is a very large heavy duty type of dump truck used to transport loads over rough terrain.
The vehicle usually has all-wheel drive and consists of two basic units: the front section, generally called the tractor, and the rear section that contains the dump body, called the hauler or trailer section.
