Utilization of Graphene Oxide to Synthesize High-Strength Cement-Based Adhesive
Publication: Journal of Materials in Civil Engineering
Volume 29, Issue 4
Abstract
Adhesive materials play a key role in any strengthening system for concrete structures. Traditional organic adhesives have a major limitation of poor fire resistance; hence, developing an alternative inorganic material is needed. This paper aims to present an innovative cement-based adhesive, which has been fabricated and verified using a number of tests. A nanomaterial represented by graphene oxide and a series of cementitious materials was used in this work. Fresh properties such as setting time and flowability were tested to ensure suitability for practical applications. Mechanical properties were tested in terms of compressive, tensile, and pull-off strengths. The experimental results proved the adequate performance of the innovative cement-based adhesive in terms of fresh properties and mechanical strength. The results show that the adhesive mixture has a pot life up to 120 min with a flow of 7.5%, and remarkably high 13.8 MPa tensile, 101 MPa compressive, and 1.2 MPa pull-off strengths.
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Acknowledgments
The scholarship support provided to the first author by the Ministry of Higher Education and Scientific Research in Iraq is gratefully acknowledged. The scholarship support provided to the second author by the Higher Committee for Education Development in Iraq is also gratefully acknowledged. The experimental work was carried out in the Smart Structures Laboratory at Swinburne University of Technology. The support of the technical staff of the laboratory is also acknowledged.
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Published In
Journal of Materials in Civil Engineering
Volume 29 • Issue 4 • April 2017
Copyright
©2016 American Society of Civil Engineers.
History
Received: Feb 2, 2016
Accepted: Sep 9, 2016
Published online: Nov 3, 2016
Published in print: Apr 1, 2017
Discussion open until: Apr 3, 2017
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