What is "rutting" in asphalt pavements?

Rutting in asphalt pavements refers specifically to the occurrence of permanent deformations or grooves that develop in the wheel paths as a result of repeated tire loading. This phenomenon typically arises from factors such as traffic loads, high temperatures, and inadequate pavement structure or materials. When vehicles pass over the surface of the asphalt, the stress from the tires can cause the material to compact or deform, especially if the asphalt has not been sufficiently designed to withstand these forces or if it was laid down improperly.

The grooves in the wheel paths can create uneven surfaces, leading to potential safety hazards as well as increased wear and tear on vehicles. Recognizing rutting is essential because it impacts ride quality and can lead to water accumulation, which can undermine the integrity of the pavement or lead to hydroplaning under wet conditions. Addressing rutting often requires maintenance strategies such as resurfacing or full reconstruction of the affected pavement areas to restore the surface to an even condition.