A road roller is a compactor-type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction of roads and foundations. Similar rollers are used also at landfills or in agriculture. Road rollers are frequently referred to as steamrollers, regardless of their method of propulsion.

What is in road roller?

It causes materials such as asphalt, gravel, and dirt to become uniformly compressed and level. Typically, a road roller is comprised of a roller body and at least one metal drum. Sometimes, a road roller may have two or even three drums, depending on the project. ... Road rollers can be used to smooth out parking lots.

What is the meaning roller?

1a : a revolving cylinder over or on which something is moved or which is used to press, shape, spread, or smooth something. b : a cylinder or rod on which something (such as a shade) is rolled up. 2a : a long heavy ocean wave. b : tumbler sense 1b. 3 : one that rolls or performs a rolling operation.