Blog

Paving the way to a cleaner, waste-less future with GTR and porous asphalt

Every year approximately 100 million tons of pavement material is reclaimed and 95 percent is returned to the roads and highways it originated from, making asphalt pavement one of America’s most recycled materials.

Asphalt cement –the material that holds pavement together- can be reactivated through heat. When the asphalt is milled up, it is then taken to a facility where it is crushed into manageable chunks. From there, it’s processed through an asphalt plant and mixed with virgin materials to make new pavement. The quality of the mix incorporating reclaimed material is as good as or even better than pavement made from all-new material.

While this practice has been utilized for decades, paving industry has made great strides in recent years in terms of new kinds of alternative applications such as ground-tire-rubber material (GTR) and porous asphalt, which allows water to more easily drain through the pavement surface.

The rubberized road

According to the Environmental Protection Agency (EPA), the market for ground rubber, also referred to as sized-reduced rubber or crumb rubber, has been growing over the past several years. In the GTR market there are two classes of particle sizes: “ground” rubber, 10 mesh and smaller and “coarse” rubber, larger than 10 mesh, with a maximum size of one-half inch.

Asphalt paving is the largest single market for GTR, consuming an estimated 220 million pounds, or approximately 12 million tires annually. Currently, California and Arizona use the most GTR in highway construction, covering more than 80 percent of roadways. Florida is the next largest user and Michigan is quickly rubberizing its roads.    

“We’re working with more GTR material and the state has funding to use this material to keep tires out of landfills in Michigan,” says Bruce Weiss, president of Pyramid Paving Company, a Michigan-based, full-service asphalt paving contactor. “The Michigan Department of Transportation (MDOT) is even looking at making GTR the standard on certain projects, reimbursing up to 50 percent of the cost of the project if GTR is used. It’s certainly an up-and-coming material in road construction.”

According to the EPA, GTR is blended with asphalt to beneficially modify the properties of the asphalt in highway construction. Size-reduced scrap tire rubber can be used either as part of the asphalt rubber binder, seal coat, cap seal spray or joint and crack sealant, or as an aggregate substitution.

The EPA cites the benefits of using GTR as; longer lasting road surfaces, reduced road maintenance, lower road and traffic noise, shorter breaking distances and cost-effective construction. The EPA also claims the application is being used in greater amounts by state Departments of Transportation.

Arizona and Florida have been leaders in asphalt rubber utilization. Texas and Nebraska are currently using greater amounts of asphalt rubber. South Carolina is also pursuing utilization of asphalt rubber in county and state roads. Other states that have studied and/or used rubberized asphalt include New York and New Mexico.

When it rains, it’s porous

Aside from asphalt-alternatives such as GTR, the pavement industry is also utilizing more porous asphalt, a tool for effectively managing storm water, building safer roads with less standing water and managing the heat-island effect in cities by cooling down the pavement.

According to the National Asphalt Pavement Association (NAPA) rainfall is supposed to sink naturally into soil, filter down through and eventually find its way to streams, ponds and lakes. In urban or other high-population areas, rainfall becomes runoff and can contribute to flooding. Contaminants such as oils and minerals are then washed from surfaces directly into waterways without undergoing the filtration that nature intended.

Due to the “less is more,” open structure of the pavement, porous asphalt allows water to drain through the pavement surface into a stone recharge bed and infiltrate into the ground below. Because of the open structure of the pavement, porous asphalt offers a “cooler” pavement choice. By replenishing water tables and aquifers rather than forcing rainfall into storm sewers, porous asphalt also helps to reduce demands on storm sewer systems.

Not only does porous asphalt allow the natural filtration cycle to occur, the material also proves for a safer roadway by reducing standing rainwater, ice and snow. Porous pavements show significant reduction in the need for deicing and anti-icing practices common in the northern states because snow and ice melt faster on a porous surface.

Whether it’s an asphalt alternative such as GTR or porous application, parking lot, highway and road construction is changing for the better as the industry paves the way to a cleaner, waste-less future.

image: http://www.priasphalt.com/testingandspecifications.aspx?id=753

Testimonials

TrueLine Publishing was a delight to work with. They were extremely patient and worked diligently to get our article written and published. The team always responded in a timely manner and was courteous. I look forward to working with TrueLine Publishing in the future and will recommend them to other businesses.
— Crystal Leos, Business Development, DALLASWHITE Property Restoration
I’m blown away with the value that could come out of our partnership through this article. Working with the US Builders Review team is something that I have never experienced before and every day I feel even more privileged to be with EJH Construction, I never take for granted the opportunities that have come my way.  I am so excited about what our future looks like based on the relationship that has been built with the US Builders Review team.
Jennifer Wilhelmsen – Director of Human Resources, EJH Construction Inc.
I was contacted by the company to write a review on my business. They handled the process very efficient and professional. The pictures came out great and the article was perfect. I am very happy with their work.
— Kirt McGhee, Owner, K4M Construction
It was an absolute pleasure to work with the writers and editorial team at TrueLine Publishing for our recent article in US Builders Review. From the start of the project, it was apparent that everyone involved was very concerned with accuracy and getting the facts right. They were also very conscientious about soliciting our feedback and ensuring that we were happy with the content and with the manner in which Giroux Glass was described in the finalized piece.
— Barbara Kotsos, Director of Marketing & PR, Giroux Glass
I would like to commend the US Builders Review staff for their work in developing and writing a fantastic article for Miller Contracting Group, Inc. It was truly a pleasure to work with their professional and well organized staff.
— Chuck Daniels, Business Manager, Miller Contracting Group Inc.
On behalf of Alfred Sanzari Enterprises, I would like to thank you for showcasing our company as a cover story in US Builders Review, and express our gratitude for a job well done in putting together an impressive editorial product. We already have received a great deal of positive feedback on the article and are confident it will be a very effective tool for sharing Alfred Sanzari Enterprises’ story, and our new hotel project, with a national audience of industry professionals. Please also extend our thanks to everyone on your team that helped in any way to produce this article. This was truly a collaborative effort.  Your staff listened to our feedback and was incredibly professional and accommodating to our requests throughout the entire process. We welcome the opportunity to collaborate with US Builders Review on future projects.
— Ryan Sanzari, Director of Operations, Alfred Sanzari Enterprises
What a great team US Builders has put in place! Having worked with Victor Martins a few years back, I was pleasantly surprised that he remembered our experience and contacted us again about an updated article. Not only did Victor brainstorm with me about content that would resonate with readers, but he assigned an excellent writer, Molly Shaw, to our account. Her interview with my client, Bardi Heating Cooling & Plumbing, was professional and succinct; as was her writing style. We had very few edits and were pleased not only with the article, but how well it was enhanced by color photos. Much appreciated!
— Karen Bird, Owner of Strategic Marketing Services, Bardi Heating Cooling & Plumbing
Ryan at TrueLine was a pleasure to work with and we wouldn't hesitate to recommend him or TrueLine to anyone in the future. They were professional, organized and great to work with through the process!
— James Cahill, President and Partner, J. Calnan & Associates
Thank you all your efforts in putting together such a great article about our company in US Builders Review. DH Construction appreciates the professional manner in which your team worked with us to achieve the stateside exposure we were after; especially taking the time to get all of the facts correct. In short, the article was extremely well put together and we have already received a great deal of feedback, interest, and compliments as a result of the piece. Once again, we appreciate all the effort, and without a doubt, we will not hesitate to work with your organization again in the future.
— Daniel Harrigan, Principal, DH Construction
My experience with US Builders Review was positive from start to finish. The staff conducted each interaction with the utmost professionalism, whether over the phone or by email. Beginning with the initial telephone interview US Builders Review carefully gathered information to form a draft document then incorporated my minimal edits required to achieve factual accuracy in the finished article. US Builders Review is a pleasure to work with.
— Tim Craddock, President, Vansant & Gusler Inc.

LATEST EDITION

Spring 2018

READ NOW

GET US BUILDERS REVIEW IN YOUR INBOX.

  • * We’ll never share your email or info with anyone.
  • This field is for validation purposes and should be left unchanged.