Performance Characteristics of Cold In-Place Recycling Mixtures
Publication: Journal of Materials in Civil Engineering
Volume 33, Issue 10
Abstract
Cold in-place recycling (CIR) of asphalt pavements is a process that has successfully been used for many years. The use of CIR for rehabilitation offers many advantages over reconstruction. When looked at closely its sustainability aspects are particularly positive. Regardless of good performance and positive sustainability, however, the performance characteristics of CIR have not been developed. Here, CIR mixtures were designed with different emulsion types and lime slurry levels. The mixtures were then subjected to dynamic modulus, repeated load triaxial, and flexural beam fatigue testing over a range of temperature and loading conditions. The performance test data generated were then used to generate CIR rutting and fatigue performance models developed for use in the Nevada Department of Transportation’s Pavement ME software. In addition, the reflective cracking characteristics of the CIR mixtures were evaluated in terms cycles to failure, crack initiation, and crack propagation.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
The authors would like to acknowledge the Nevada Department of Transportation for sponsorship of this work.
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Information & Authors
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Published In
Journal of Materials in Civil Engineering
Volume 33 • Issue 10 • October 2021
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Aug 18, 2020
Accepted: Jan 4, 2021
Published online: Jul 22, 2021
Published in print: Oct 1, 2021
Discussion open until: Dec 22, 2021
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Cited by
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