Dunn Expertise
Cold In-Place Recycling reuses the pavement already in place through asphalt pulverization and heatless repurposing, which produces a rehabilitated, bituminous final pavement. Existing pavement materials are reused for the pavement resurface, resulting in a distress-free, rejuvenated and structurally sound final product. CIR is considered a green construction approach, and has environmental advantages that include eliminating old asphalt disposal, lowering energy and raw material consumption, and reducing overall transportation costs.
Cold In-Place Recycling is a proven method of pavement rehabilitation, used for diverse applications such as low-volume county roads and interstate highways. An overlay of hot mix asphalt is typically applied over CIR surfaces that anticipate high-traffic volumes, or when additional structural strength is required. CIR pavement can be surfaced with microsurface, cape seal or bituminous surface treatment.
Benefits of Cold In-Place Recycling (CIR)
- Long-term pavement performance is improved with less maintenance
- Controls reflective cracking
- Work is performed with minimal traffic disruption
- Cost effective
- Conserves raw materials
- Conserves energy
- Reduces greenhouse gas emissions
The Cold In-Place Process Consists of:
- Pulverizing the existing asphalt pavement
- Adding a new asphalt binder material to the pulverized asphalt
- Mixing the materials
- Placing the newly mixed materials on the roadway
- Compacting the new roadway
Types of Cold In-Place Recycling:
- Asphalt emulsion (engineered or standard)
- Foamed asphalt
For more information about pavement recycling, call 217-429-4444.
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