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  • Writer's pictureMark Nance Jr.

Why is a Mill and Pave so popular?

Asphalt milling and paving are two processes that are commonly used in road construction and maintenance. They involve removing existing pavement layers, preparing the base, and then installing new asphalt layers. In this blog post, we will discuss what asphalt milling and paving are, the benefits of using these processes, and how they are carried out.

What is Asphalt Milling?

Asphalt milling, also known as cold planing or profiling, is the process of removing the top layer of an asphalt surface to a specified depth using a milling machine. The milling machine grinds and removes the asphalt, and the resulting material is transported away for recycling or disposal. The depth of the milling can range from a few millimeters to several centimeters, depending on the condition of the existing pavement and the desired final grade.

Asphalt milling is commonly used to repair damaged asphalt surfaces, improve ride quality, and prepare the surface for a new overlay. It is also used to remove surface irregularities and improve drainage on roadways.

What is Asphalt Paving?

Asphalt paving is the process of installing a new layer of asphalt over an existing surface or a newly prepared base. The asphalt is typically mixed at a hot-mix asphalt plant and transported to the job site in a heated truck. Once on-site, the asphalt is spread and compacted using heavy equipment, such as a paver and a roller, to achieve the desired thickness and density.

Asphalt paving is used to construct new roads, repair damaged surfaces, and improve the ride quality of existing roadways. It is also used for parking lots, driveways, and other asphalt surfaces.

Benefits of Asphalt Milling and Paving

There are several benefits to using asphalt milling and paving. These include:

  1. Cost-effectiveness: Asphalt milling and paving are cost-effective ways to repair damaged asphalt surfaces and extend the lifespan of roads and other paved surfaces.

  2. Environmentally friendly: Asphalt milling recycles the existing asphalt material, reducing the need for new asphalt and the associated energy and resources required for production.

  3. Improved ride quality: Asphalt milling and paving can improve the ride quality of roads, reducing vehicle wear and tear and improving safety.

  4. Better drainage: Asphalt milling and paving can improve drainage on roadways, reducing the risk of flooding and other water-related damage.

How Asphalt Milling and Paving are Carried Out

Asphalt milling and paving require specialized equipment and trained professionals to carry out the work. Here is an overview of the steps involved:

  1. Inspection: The existing pavement is inspected to determine the extent of damage and the depth of milling required.

  2. Milling: The milling machine removes the top layer of the existing pavement to the desired depth.

  3. Base preparation: The base is prepared to the required depth and compacted to provide a stable foundation for the new asphalt layer.

  4. Asphalt paving: The hot-mix asphalt is transported to the job site and spread and compacted using heavy equipment.

  5. Finishing: The final step involves applying any necessary markings, such as lines or symbols, and cleaning up the job site.

In conclusion, asphalt milling and paving are essential processes for road construction and maintenance. They are cost-effective, environmentally friendly, and can improve the ride quality and safety of roads and other paved surfaces. By understanding the steps involved and the benefits of these processes, you can make informed decisions about your asphalt paving needs.

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