New Building Material from Waste Concrete by Carbonation
Publication: Journal of Materials in Civil Engineering
Volume 12, Issue 4
Abstract
A new recycled material derived from waste concrete using a CO2-activated hardening process is proposed. Waste autoclaved lightweight concrete powder was used as the starting material. The powder was mixed with water, compacted by pressing, and cured in high CO2 concentrations. The bending strength and the specific surface area of this hardened material increased as the degree of carbonation was increased. The hardened material had a high moisture absorption and desorption performance, suggesting potential application to the interior wall having a moisture control function.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 12 • Issue 4 • November 2000
Pages: 288 - 293
History
Received: May 16, 2000
Published online: Nov 1, 2000
Published in print: Nov 2000
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