What is Rotomilling?

Rotomilling is the process of removing at least part of the surface of a paved area such as a road or parking lot. Milling can remove anywhere from just enough material to level and smooth the surface to a full depth removal. There are many different reasons for rotomilling a paved area instead of repaving over the existing area.

Reason #1: Recycling

One of the main reasons for milling a road is to recycle the rotomilling utahsurface of it. Rotomilling is widely used today as the main form of pavement recycling. After the pavement is removed it is ground up and used to form new pavement.

When forming asphalt surfaces the product of milling is reclaimed asphalt pavement (RAP), which is then recycled into hot mix asphalt by combining new aggregates and cements. This method reduces the impact that resurfacing has on the environment.

Reason #2: Road Improvement

Rotomilling is also used to remove distresses from the surface of the road to provide a better driving experience and lengthen the life of a roadway. Some of the issues that milling can remove include:rotomilling

  • Raveling: aggregate becoming separated from the asphalt/cement and loose on the road
  • Bleeding: the asphalt coming up to the surface of the road
  • Rutting: formation of low spots in pavement usually in the wheel path
  • Shoving: a washboard like effect transverse to the direction of travel
  • Ride Quality: uneven road surface such as swells, bumps, sags, or depressions
  • Damage: resulting from accidents and/or fires

Rotomilling can also be used to control or change the height of the road. This can be done to control clearances and heights of multiple types of road structures such as: manholes, curbs, basin heights, curbs, shoulder and guardrail heights, and overhead clearances. Specialty rotomilling can be used to form the rumble strips which are often found along highways. Milling is used instead of other methods because the rumble strips can be added any time, even after the road surface has hardened.

Milling is performed by construction equipment called roto-milling machines or cold planers. These machines use a large rotating drum for removing and grinding the road surface. For more information on rotomilling or to start a project contact the professionals at Construction Material Recycling at 877-346-8494 or visit us online.

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