‹ Back

The Role of Proper Drainage in Asphalt Pavement Longevity

Posted on by giuseppe

Effective drainage systems are essential for maintaining the structural integrity and longevity of asphalt pavement. Without proper drainage, water can accumulate, infiltrate the pavement, and cause significant damage over time. This leads to erosion, cracks, and other issues that can shorten the pavement’s lifespan. Understanding the importance of drainage and using the right tools including asphalt repair equipment and asphalt heaters can help prevent these problems and extend the life of asphalt surfaces.

Importance of Drainage for Asphalt Pavement

Water is one of the primary causes of asphalt deterioration. When water seeps into the pavement, it weakens the foundation and leads to potholes, cracking, and structural damage. Proper drainage systems direct water away from the pavement, minimizing the risk of erosion and degradation. In fact, research from the Federal Highway Administration shows that over half of unpaved/poorly paved road damage is caused by inadequate drainage. For instance, standing water can lead to freeze-thaw cycles in cold climates, exacerbating cracks and potholes. In warmer regions, excess water can erode the subbase, resulting in early degradation of the asphalt. Drainage systems, including surface and subsurface designs, make sure that water is being diverted away from critical areas, preventing freeze-thaw cycles, erosion, and other damage that can greatly reduce pavement lifespan.

A well-designed drainage system includes components such as:

  • Surface drainage: Proper grading directs water off the pavement surface.
  • Subsurface drainage: Installed under the pavement to remove water that seeps through the surface layers.
  • Edge drainage: Helps drain water from the sides of the pavement and road shoulders.
  • Catch Basins: Collect and direct water runoff away from the pavement.
  • French Drains: A type of subsurface drainage system that prevents water accumulation by channeling it away from the pavement.
  • Drainage Channels: Surface channels that guide water to designated areas, reducing the risk of pooling and erosion.

Products to Help Prevent Water Damage and Erosion

KM International offers a range of asphalt repair equipment designed to help mitigate water-related damage:

  • Infrared Asphalt Repair and Recyclers: This technology allows for seamless repairs that prevent water from entering cracks and weakening the foundation without causing additional disruptions to the surface. It creates these repairs by blending new and old asphalt together.
  • Asphalt Repair Trailers and Hotbox Reclaimers: Paired with portable asphalt heaters, these trailers make on-the-go repairs fast and efficient, reducing the likelihood of water damage.
  • Sealcoating Equipment: Sealcoating provides a protective layer that blocks water infiltration. By applying it properly with KM’s sealcoating equipment, you can prevent water damage and extend pavement life.
  • Crack Maintenance Equipment: Tools like the KM 55 Rubber Melting Kettle and MA 10 Rubber Applicator ensure cracks are properly sealed, preventing water from penetrating the surface and causing erosion.

Effective drainage systems are critical for the longevity of asphalt pavement. Without proper drainage, the lifespan of the pavement can be dramatically reduced due to water infiltration, erosion, and freeze-thaw damage. KM International offers a comprehensive line of road maintenance equipment including asphalt hotbox reclaimers, sealcoat units, and infrared asphalt recyclers to help combat these issues. Guaranteeing proper drainage and using the right equipment for ongoing maintenance is essential for keeping asphalt surfaces in optimal condition.

For more information on how KM International’s asphalt repair equipment can help maintain your pavement, contact us today to learn more about our asphalt recycling units, asphalt rubber melters, and other asphalt repair solutions.