Effect of Cement and Fly Ash Dosages on the Characteristics and Performance of Microsurfacing Mix
Publication: Journal of Materials in Civil Engineering
Volume 34, Issue 2
Abstract
In this study, the role of mineral fillers on the microsurfacing mix characteristics and performance was assessed for 10 different combinations of mineral filler type (cement and fly ash) and dosages (0%–3%). The mixes were initially characterized in terms of compatibility, cohesion, and adhesion using Schulze-Breuer and Ruck test, cohesion test, and boiling water test, respectively. Subsequently, the performance of microsurfacing mixes, that is, raveling and rutting resistance, was determined using wet track abrasion test and loaded wheel test, respectively. Results indicated that the filler–emulsion system’s compatibility improved significantly with the addition of cement at the proper dosage. In contrast, mixes with only fly ash as mineral filler had inferior filler–emulsion compatibility. Also, the rate of strength development and adhesion was higher with cement than fly ash. The performance, that is, raveling and rutting resistance, positively correlates with the 60-min cohesion, adhesion, and compatibility (abrasion loss). Interestingly, the combination with 2% cement and 1% fly ash as mineral filler had the best mix characteristic and performance, indicating that the careful selection of the type and the dosage of mineral filler could maximize the durability of the microsurfacing mix.
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Data Availability Statement
All data, models, and code generated or used during the study appear in the published article.
Acknowledgments
The authors acknowledge the support provided by IIT Guwahati for experiments and analysis. The authors are grateful to Om Infracon Pvt. Ltd. and Hincol Pvt. Ltd. for providing the material support required for the study. Also, the authors highly appreciate the laboratory support provided by IRMS Lab, IIT Kanpur, for sample testing using XRF.
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Published In
Journal of Materials in Civil Engineering
Volume 34 • Issue 2 • February 2022
Copyright
© 2021 American Society of Civil Engineers.
History
Received: Jan 29, 2021
Accepted: Jun 17, 2021
Published online: Nov 25, 2021
Published in print: Feb 1, 2022
Discussion open until: Apr 25, 2022
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Cited by
- Ramin Khafajeh, Mohsen Shamsaei, Ali Latifi, Babak Amin Javaheri, Michel Vaillancourt, Comprehensive Investigation of Influential Mix-Design Factors on the Microsurfacing Mixture Performance, Journal of Materials in Civil Engineering, 10.1061/JMCEE7.MTENG-15212, 35, 7, (2023).