Street Repair Guide: An Overview Of How Infrared Teechnology Can Help You Repair Utility Pavement Cuts In The Road

Construction & Contractors Blog

Repairing streets after they have been cut open by utility companies has been a troublesome ordeal for many municipal street and highway departments across the country. The traditional method was to put cold patch into the cut to cover the ditch that was created until the road gets repaved later – sometimes years later. The problem with cold patch is that it gets pushed down by the vehicles passing over it and a depression is formed in the road. The depression can deepen over time and cause damage to the tires and suspension systems of passing vehicles and it can become a road hazard. Infrared technology is changing the way these utility pavement cuts can be repaired. If you are in charge of repairing the pavement cuts in your community and you aren't familiar with how infrared technology works, here is a brief overview of how you can make lasting repairs to utility pavement cuts on your roads with the infrared technology process.

Infrared Technology

Infrared technology uses a red light to generate heat waves that are absorbed by the asphalt. This warms the asphalt from the inside out rather than cooking it from the outside in where the outer layer can get burnt. Burnt asphalt cannot be reused to repair the road, but heated asphalt can be reused. Reusing the old asphalt lowers the cost of the repair job since you don't have to buy a lot of new asphalt to fill in the depression in the road and it reduces landfill waste.

Pavement Repair Process

You place the machine over the damaged part of the road and let it heat up the asphalt until it becomes soft. This will normally take less than 20 minutes. Workers then rake the top two or three inches of the asphalt to loosen it up and mix in rejuvenating oils. Fresh asphalt is added to raise the level of the asphalt until it is even with the surface.

The asphalt is pounded down with a roller or a plate compactor to compress the asphalt and solidify it. The will help to prevent the wheels from the vehicles that will pass over it from creating depressions in the surface like the wheels do with the cold patching material.

The asphalt is allowed to sit for roughly 20 minutes to cool and set up. You can open up the section of road that has been repaired right after the asphalt cools.

The next section of the damaged road is immediately heated up and the entire process begins again right away until the entire length of the damaged area is repaired. 

For more information regarding pavement repairs, contact businesses like AA Asphalting.

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4 January 2017

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