Experts in Full Depth Reclamation

Full Depth Reclamation is the pavement rehabilitation technique in which the full thickness of the asphalt pavement and a predetermined portion of the underlying materials including the base, subbase, and/or subgrade, is uniformly pulverized and blended into an upgraded,
homogeneous base material. Further stabilization may be enhanced through the use of available additives. 

Treatment depths may vary depending on the thickness of the existing pavement structure but generally range between 6 to 12 inches. Full Depth Reclamation is used when the roadway show signs of movement or pumping of sub-soils through to the surface of the asphalt materials, when the soils are migrating to the surface. Most of these roadways were designed as farm-to-market roads that have increased in traffic loading causing stress to the pavement and sub-base.

The process consists of pulverization and reclamation of the existing road materials, the addition of additives as necessary, mixing, shaping of the resulting mix, compaction, final shaping or “tight blading,” and then the application of a bituminous surface or wearing course.

Roads and highways that have cracked and deteriorated over time as a result of poor substructures can be completely reconstructed and strengthened with Full Depth Reclamation. This option is a great solution to correcting soft and yielding sub-bases as a result of poor substructure. This process can even be utilized on dirt roads, reusing 100% of the existing road materials and strengthening them throughout.

Full Depth Reclamation is generally broken down into three primary disciplines including Mechanical Stabilization, Calcium Chloride Stabilization and Chemical Stabilization

Benefits

Full Depth Reclamation offers many benefits separate from other techniques.

  • The conservation of energy and elimination of old pavement is prevalent in this roadway option.
  • Additionally, the reused materials are already paid for, the crown and cross slope can easily be reshaped, and freeze-thaw cycles can be reduced.
  • This process also helps eliminate reflective cracking, potholes, bumps, rutting and enhances the structural value of the road.

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