Experimental Research on Properties of High-Strength Foamed Concrete
Publication: Journal of Materials in Civil Engineering
Volume 24, Issue 1
Abstract
The aim of this study is to develop structural foamed concretes by using silica fume, fly ash, and polypropylene fiber. The study presents the use of fly ash for fully replacing sand to produce foamed concrete. Fine silica fume and polypropylene (PP) fiber were used to improve properties of foamed concrete. Lightweight foamed concretes with a wide range of concrete densities ( ) were studied mainly for compressive strength, splitting tensile strength, and drying shrinkage. The results indicate that foamed concrete with a density of and compressive strength of can be made by using silica fume and PP fiber. Fine silica fume and PP fiber greatly improved the compressive strength of foamed concrete. In addition, adding PP fiber significantly improved the splitting tensile strength and drying shrinkage resistance.
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Acknowledgments
This research was financially supported by the National Natural Science Foundation of China, Grant No. NNSFC50708059, and Key Laboratory of Advanced Civil Engineering Materials (Tongji University), Ministry of Education, Grant No. UNSPECIFIEDK201002.
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© 2012 American Society of Civil Engineers.
History
Received: Feb 9, 2011
Accepted: Jun 17, 2011
Published online: Jun 21, 2011
Published in print: Jan 1, 2012
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