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Unformatted text preview: 1 Asphalt Pavement Recycling Benefits of Asphalt Pavement Recycling: • Cost Savings • Conservation of Aggregate and Asphalt • Preservation of Existing Pavement Geometrics • Preservation of Environment • Conservation of Energy • Elimination of Reflective Cracking due to Overlay Basic Mechanism in Asphalt Pavement Recycling Reclaimed Asphalt Pavement (RAP) contains: (1) Hard asphalt binder (2) Degraded aggregate Recycling of RAP involves: (1) Adding appropriate type and amount of recycling agent (or soft asphalt) to soften the binder. (2) Adding appropriate type and amount of virgin coarse aggregate to correct the gradation of the degraded aggregate. Categories of Asphalt Pavement Recycling • Hot Mix (Central Plant) Recycling • Cold Mix (Central Plant) Recycling • Hot In-Place (Surface) Recycling • Cold In-Place (Surface)Recycling • Full Depth Reclamation (or Cold In-Place Surface and Base Recycling) Hot Mix Recycling: RAP (Reclaimed Asphalt Pavement) is combined with new aggregate and asphalt...
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- Spring '11
- Recyclable materials, Asphalt concrete, Asphalt Pavement, Surface Recycling Equipment