Practical Guide for Using Recycling Agents in Asphalt Mixtures

Practical Guide for Using Recycling Agents in Asphalt Mixtures

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Dr. Amy Epps Martin, Professor, Texas A&M; Adam T.J. Hand, PhD., P.E., Consultant

Government/Academia: $0.00
Member: $0.00
Non-Member: $0.00Your price

Published: 9/22/2020

Recycling asphalt pavement is an industry standard because of the proven sustainable benefits associated with it. The benefits include lower mixture cost (economic benefit), reduced energy consumption and greenhouse gas emissions (environmental benefit), and conservation of natural resources (social benefit). Recently, there has been a significant increase in available recycling agents to assist with more cost effective use of reclaimed asphalt pavement (RAP) and recycled asphalt shingles (RAS). There has also been research on how to effectively use recycling agents to improve performance or increase the amount of these recycled materials while producing asphalt mixtures that will provide the performance required by agencies and private owners. The balanced mix design method (BMD) is an excellent tool that many agencies are rapidly evaluating or implementing to optimize recycling agent selection and use. As with any mix design method or material change, it is important to consider what impacts the changes could have on asphalt mix designers, asphalt producers, and contractor operations. This webinar will address materials, mix design, and production and construction considerations that will help lead to successful use of recycling agents. Key Takeaways: • Learn about the basics of recycling agent types • Understand potential benefits of using recycling agents • Learn ways of integrating recycling agents into current and balanced mix design process • Better understand methods of selecting recycling agent doses • Understand the operational impacts of recycling agents on mix production • See examples of mix designs with recycling agents • Understand the operational impacts of recycling agents on construction operations

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