A vibratory roller is a compactor having a drum used to densify soil, asphalt or other materials through the application of combined static and dynamic forces to increase the load-bearing capacity of the surface. Vibratory rollers can fully cover the area underneath the wheel.Ride on rollers purpose is to uniformly compact the ground and leave a smooth, level or cambered surface. Different types of roller, vibratory rollers, dead weight rollers, wheeled or metal drummed rollers etc. There are two aims of compaction and they are to remove the AIR voids (empty spaces) and MINIMISE settlement.