Influence of Mineral Admixtures on the Carbonation Resistance and Chloride Permeability of Steam-Cured HPC

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This paper studies the influence of different mineral admixtures(fly ash and ground granulated blast furnace slag)on the carbonation resistance and chloride permeability of steam-cured HPC. The test results show that under the condition of steam-cured and standard-cured, incorporating 20-30% of the ground granulated blast furnace slag or 15-20% of fly ash decreased the alkalinity and the carbonation resistance of the concrete; with the increase of the proportion of the mineral admixture in concrete, carbonation resistance of HPC was decreased; incorporating 20-30% of the ground granulated blast furnace slag or 15-20% of fly ash improved the chloride permeability of steam-cured concrete, and the influence of ground granulated blast furnace slag is better than that of the fly ash.

Info:

Periodical:

Edited by:

Hui Wu, Xiao-Qian Qian, Chong-zhi Li and Fei Li

Pages:

366-374

DOI:

10.4028/www.scientific.net/KEM.477.366

Citation:

J. H. Wu and Y. L. Liu, "Influence of Mineral Admixtures on the Carbonation Resistance and Chloride Permeability of Steam-Cured HPC", Key Engineering Materials, Vol. 477, pp. 366-374, 2011

Online since:

April 2011

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$35.00

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