Compressive Strength of Novel Alkali-Activated Stabilized Earth Materials Incorporating Solid Wastes
Publication: Journal of Materials in Civil Engineering
Volume 32, Issue 6
Abstract
The research presented in this paper is aimed at developing novel alternative sustainable stabilized earth materials for use in load-bearing affordable housing construction. Prototype-stabilized earth materials have been produced in the laboratory, incorporating a range of solid wastes, including aggregates derived from construction and demolition waste as well as industrial processes. The earth construction materials were stabilized with either portland cement, Portland cement and lime, or through alkali activation. Experimental results for compressive strength are reported, together with findings from a comparative life cycle inventory analysis. Construction and demolition waste shows promise as a potential aggregate for stabilized earth construction. The use of processed ground blast furnace slag together with fly ash is also promising for the development of alkali-activated stabilization.
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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 financial support from the UKIERI project (UGC 2016-17-063) is very gratefully acknowledged. The authors also wish to acknowledge the support and contribution of the following colleague: Nikhil Venugopal, at the Indian Institute of Science.
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©2020 American Society of Civil Engineers.
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Received: Apr 1, 2019
Accepted: Nov 6, 2019
Published online: Mar 19, 2020
Published in print: Jun 1, 2020
Discussion open until: Aug 19, 2020
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