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Frost resistance of recycled concrete

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Abstract

The frostbite situation of recycled concrete suffered one-time freezing was analyzed, and was then compared with that of the normal concrete. In order to improve the frost resistance of recycled concrete, antifreeze was used and good effect was obtained. The results show that the frost resistance of recycled concrete is inferior to that of recycled concrete. Differences exist in the microstructures of the recycled concrete and normal one, which makes the decrease of frost resistance. Antifreeze can improve the microstructure of recycled concrete, so the frost resistance of it is improved as well.

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Correspondence to Qin Yin-hui  (覃银辉).

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Foundation item: Project(k042013-12) supported by the Science and Technology Office of Changsha City, China

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Qin, Yh., Deng, Sc. & Zhang, Xb. Frost resistance of recycled concrete. J Cent. South Univ. Technol. 14 (Suppl 1), 409–413 (2007). https://doi.org/10.1007/s11771-007-0294-7

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  • DOI: https://doi.org/10.1007/s11771-007-0294-7

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