Cold in-place recycling is an eco-friendly paving process for any road structure in disrepair. Recycling and reusing the existing pavement layer does away with the need for-and therefore the costs of-purchasing and transporting fresh aggregate.
During cold in-place recycling, two to five inches of the current road surface are pulverized to a specific aggregate size; mixed with a rejuvenating asphalt emulsion; and then reused, then and there. Overall labour costs are reduced. Because no heat is applied to the asphalt, cold in-place recycling reduces the noxious fumes and pollution associated with many other processes-what is safe for the environment is also safer for the road construction workers.
The Process:
After core samples are taken from the road, they are tested to determine the proper materials to be employed during the rehabilitation project. Once the analysis is completed, recycling and construction can begin.
The existing road surface is pulverized to the predetermined appropriately sized aggregate. The crushed aggregate is then combined with stabilizing liquid asphalt (1.5% to 2.2%) and water (2% to 3%). After the combination is fully mixed, the resulting product is re-applied to the road. The surface is compacted immediately after application.
A "train" of equipment comprised of an emulsion tanker, a water tanker, a milling machine, a crusher, and the Mix Paver-one after the other-complete-in-place recycling.
Uses:
Benefits:
See our cold in-place recycling capabilities in action with the video below.
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The Canadian Road Builders Group
Zone 4, 1-26228, Township Rd. 530A Acheson, AB T7X 5A7 | Tel. (780) 960 1690 | www.acpapplied.com
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