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David Farris, P.E.'s Articles

4 Key Benefits of a Mill and Overlay

In 1979, WIRTGEN built their first cold milling machine designed to provide the asphalt paving industry an innovative rehabilitation technique. Based on technology from the mining industry, these machines use dozens of carbide-tipped bits on a fast rotating drum to remove a specified thickness from the surface of an asphalt pavement. With the invention of the milling machine, asphalt contractors can now remove and replace a portion of the asphalt pavement, which has several key benefits.

4 Signs it is Time for a Mill and Overlay

A mill and overlay is a critical part to any pavements lifecycle and comes with several benefits. Using a milling machine, 1.5 or more inches of the existing pavement surface is removed, and then the milled surface is overlaid with new asphalt pavement. A mill and overlay refreshes the pavement’s surface, but how do you know when it is time for a mill and overlay?

3 Options for Rehabilitating Your Asphalt Pavement

A pavement’s life-cycle starts when it is first constructed, with the aggregate base correctly graded to the design thickness and the asphalt pavement properly installed. Over time, distresses slowly deteriorate the pavement until it becomes unusable or so deteriorated that routine maintenance would be ineffective. Pavement rehabilitation plays an integral role in a pavement’s life-cycle by extending the service life of the pavement. Bituminous Roadways, Inc. can help you restart the clock on your pavement investment.

4 Types of Asphalt Maintenance to Consider for Your Parking Lot

Asphalt maintenance is crucial to maximizing the service life of your pavement. Routine maintenance slows the deterioration of your pavement by protecting it from its “Natural Enemies,” sun, air and water. Deciding which maintenance options are right for your parking lot, roadway, or athletic court or surface can be hard, but this guide will help give you some direction.

How Do I know if My Parking Lot is ADA Compliant?

In 1990 the ADA, Americans with Disabilities Act, was created to ensure access to places that are open to the general public for people who face disabilities. ADA compliance is crucial to ensure equal access is provided for people with disabilities and to avoid potential lawsuits. The ADA covers everything inside and outside of most places of business, but this guide will focus on Minnesota's State ADA compliance requirements for parking lots (city and county requirements may differ).

Benefits of Maintenance

Pavement Maintenance

Maintaining your asphalt pavement is critical to extending its service life. Addressing problem areas on your pavement right away will save money by delaying or preventing more expensive repairs.

Pavement Distresses

What are these distresses on my pavement?

Cracking, deformations, and deterioration are three categories of pavement distresses. Each of these distresses can indicate how well your pavement is performing, or more critically, how much longer it might last. Identifying the distresses on your asphalt pavement can help you formulate the most cost-effective maintenance plan.

Pavement Assessments

Spring is almost here! This means you may begin to notice that the condition of your asphalt pavement is less than optimal. Minnesota winters are hard on asphalt parking lots, roadways, and trails, causing cracks to form or expand through freeze-thaw cycles. Spring is an excellent time to assess the condition of your asphalt pavements so you can start budgeting and preparing for any maintenance or rehabilitation your pavement may need this summer.

Why is Drainage Important for Asphalt Pavements?

Water is one of asphalt’s “natural enemies.” Puddles of water on an asphalt pavement will slowly break down the asphalt and cause a pothole to form. Water deteriorates asphalt by breaking the bonds between the asphalt binder and the rocks and sand. Asphalt binder is a by-product produced from crude oil during gasoline production, and water and oil don’t mix.

How Freeze-Thaw Cycles Can Damage Asphalt Pavement

Winter is a “hard” time for asphalt pavements, literally. Asphalt pavements are produced and constructed at high temperatures when the asphalt binder is a liquid so it can be easily mixed with the rocks and sand. During the spring, summer, and fall seasons, asphalt is flexible and stretchy in the warm weather, helping to prevent cracks from forming. However, as temperatures decrease during winter, the asphalt becomes harder and stronger, but also more brittle. Extreme cold temperatures can cause pavements to crack, but the most damage to pavements is caused by freeze-thaw cycles.

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