Resistance to the Penetration of Chloride Ions of Concrete with Intensified Recycled Aggregates

Abstract:

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In order to study on methods for and effect of improving performances of recycled concrete, this paper has adopted the recycled aggregates intensified by dipping in the chemical grout, on which basis, the recycled concrete is prepared through the double admixing technology, i.e. mixing of the high-quality mineral admixture and the high-efficient water reducer. The chloride ion permeability of the recycled concrete is researched in the laboratory. In the test, the electric flux, the total chloride ion content and the free chloride ion content at different depths of the recycled concrete have been obtained. The research has shown that dipping in the chemical grout is an effective way to intensify recycled aggregates and that recycled concrete prepared with the intensified recycled aggregates, high-quality mineral admixture and high-efficient water reducer features favorable permeability resistance.

Info:

Periodical:

Edited by:

Dongye Sun, Wen-Pei Sung and Ran Chen

Pages:

1572-1577

DOI:

10.4028/www.scientific.net/AMM.71-78.1572

Citation:

W. G. Chai et al., "Resistance to the Penetration of Chloride Ions of Concrete with Intensified Recycled Aggregates", Applied Mechanics and Materials, Vols. 71-78, pp. 1572-1577, 2011

Online since:

July 2011

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$35.00

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