Dense-Graded Cold Mix
Dense Graded Cold Mix is a type of asphalt mix used for paving and repairing roads. It is applied at ambient temperatures. This makes it more versatile for use in various weather conditions and easier to handle without the need for specialized heating equipment. It can be used for preventive maintenance treatments, such as surface sealing and filling small cracks.
Open-graded cold mixes are prepared from medium-setting emulsions containing sufficient solvent to give deferred set characteristics. The compacted materials have initial void contents of 15-25%. Applications include base and surface courses on low volume roadways, patching, reinstatement, profiling and repair of shoulders. Depending on the choice of solvent in the medium-setting emulsions, the mixes may be laid immediately in mix-paving operations, laid a few hours after production or be stockpiled for weeks or months.
ADvantages:
- Reduces life-cycle costs by 48%
- Reduces energy use by 50% and greenhouse gases by 51%
- Reduces raw materials by 49%
- Return to slow moving traffic in 1 hour
- Extends life of a roadway up to 5-7 years
Issues Addressed
- Minor Cracking (less than ¼”)
- Raveling
- Oxidization
Attributes
- Increases skid resistance
- Reduces water intrusion
- Eases construction
- Slows reflective cracking
Common Combinations
- Double & Triple Chip Seals
- Chip Seal + Fog Seal
- Crack Seal + Chip Seal
- Chip Seal + HMA Overlay
- Chip Seal + Slurry or Micro
(Cape Seal) - FDR or CIR or HIR + Chip Seal
Information Provided by:https://roadresource.org/treatment_resources/chip_seal
Applications
Western Asphalt Products have a variety of applications
Seal Coats are treatments that provide effective pavement maintenance to all structurally sound roadways.
CA-90 is a specially formulated cold pour rubberized crack filler.
Microsurfacing is a thin cold-mix overlay used in the repair and preventative maintenance of roadways.
Cold In Place (CIP) Recycling was a new technology introduced in the early 1990’s in Ontario.
Fog sealing is generally a light application of spray applied slow set emulsion.
Tack Coat is a spray applied emulsion which provides a thin adhesive film of asphalt between existing road pavement and a new surfacing layer.
Dense-graded cold mixed asphalt can be an economical alternative to traditionally hot mixed asphalt, especially in areas where there is a long distance to the nearest hot mix plant.
Specialized Cutback Asphalt and Asphalt Emulsions can be used to create a concrete foundation water proofing.
Applying driveway sealer to an asphalt driveway will improve both aesthetics and lifespan of your asphalt driveway.
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