Abstract
Two types of solutions (ZnSO4, MgSO4) were selected to study the influence of mineral admixtures on the electro-deposition healing effect of concrete cracks. Four parameters (i e, rates of weight gain, surface coating, crack closure and crack filling depth) were measured. The mineral composition of electro-deposits in the cracks was analyzed. The study shows that the healing effect of mortar specimens with 10% fly ash is the worst, while the healing effect of mortar specimens with 20% fly ash is better than that of the specimens without fly ash. The rates of weight gain, surface coating, crack closure and crack filling depth decrease with increasing content of the ground granulated blast-furnace slag(GGBS). The mineral admixtures have no influence on the composition of deposits.
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Funded by the National Natural Science Foundation of China (Nos. 51479051, 51278167), the Natural Science Foundation of Jiangsu Province (No. BK20131374), and the Research and Innovation Project for College Graduates of Jiangsu Province (No. CXZZ12_0238)
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Chu, H., Jiang, L., You, L. et al. Influence of mineral admixtures on the electro-deposition healing effect of concrete cracks. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 29, 1219–1224 (2014). https://doi.org/10.1007/s11595-014-1071-8
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DOI: https://doi.org/10.1007/s11595-014-1071-8