Mix design practices for warm mix asphalt
By: Ramon Bonaquist
Contributors: National Cooperative Highway Research Program; National Research Council (U.S.). Transportation Research Board; American Association of State Highway and Transportation Officials; Advanced Asphalt Technologies, LLC; United States. Federal Highway Administration
Series: NCHRP report -- 691
Publisher: Transportation Research Board
Published: 2011
Place of publication: Washington, D.C
Language: eng
Number of pages: 101
ISBN-13: 9780309155595
Subjects: Warm mix paving mixtures; Design; Materials; Mixtures; Asphalt concrete Pavements; Asphalt concrete
Description: TRB's National Cooperative Highway Research Program (NCHRP) Report 691: Mix Design Practices for Warm-Mix Asphalt explores a mix design method tailored to the unique material properties of warm mix asphalt technologies.    Warm mix asphalt (WMA) refers to asphalt concrete mixtures that are produced at temperatures approximately 50°F (28°C) or more cooler than typically used in the production of hot mix asphalt (HMA). The goal of WMA is to produce mixtures with similar strength, durability, and performance characteristics as HMA using substantially reduced production temperatures.    There are important environmental and health benefits associated with reduced production temperatures including lower greenhouse gas emissions, lower fuel consumption, and reduced exposure of workers to asphalt fumes.     Lower production temperatures can also potentially improve pavement performance by reducing binder aging, providing added time for mixture compaction, and allowing improved compaction during cold weather paving.     Appendices to NCHRP Report 691 include the following. Appendices A, B, and D are included in the printed and PDF version of the report. Appendices C and E are available only online.
Notes: At head of title: National Cooperative Highway Research Program.

Includes bibliographical references (p. 64-65).

Also available online.

"Research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration."

Performed under NCHRP project no. 09-43.
Table of contents: title: Ch. 1. Introduction; title: Ch. 2. Research Approach; title: Ch. 3. Findings and Applications; title: Ch. 4. Conclusions and Recommendations.