Feasibility Study of the Effectiveness of Crumb-Rubber Mortar as a Novel Shock-Absorbing Material
Publication: Practice Periodical on Structural Design and Construction
Volume 27, Issue 3
Abstract
This research studied the feasibility of crumb rubber mortar (CRM) as a novel shock-absorbing material for protecting structures from blast and impact loading. Waste tire–derived crumb rubber was used in combination with cement paste material in this investigation. CRM samples with nine different mix proportions were selected for studying the shock-absorbing performance. Cubic specimens with dimensions () were fabricated from each sample. These specimens were evaluated under static compression and impact loading conditions. Test results suggest that CRM with a water content of 96 kg (211.6 lb) and a water/cement () ratio of 0.3 or 0.4 exhibits excellent shock-absorbing performance. The impact force–displacement curves estimated using a proposed analytical model were found to be consistent with the experimental curves.
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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 express their gratitude to Rubber Tech and FLORIC for providing crumb rubber and chemical admixture, respectively. The authors thank former undergraduate and graduate students K. Gunji, T. Teramoto, K. Matsuura, M. Sato, and T. Itagaki from the National Defense Academy Japan for their assistance in performing this study.
References
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Information & Authors
Information
Published In
Practice Periodical on Structural Design and Construction
Volume 27 • Issue 3 • August 2022
Copyright
© 2022 American Society of Civil Engineers.
History
Received: Sep 4, 2021
Accepted: Jan 16, 2022
Published online: Mar 16, 2022
Published in print: Aug 1, 2022
Discussion open until: Aug 16, 2022
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