Analysis of the influence of XYPEX admixture on the frost resistance of nanometer CaCO3 concrete Online publication date: Mon, 15-Apr-2024
by Hengfei Zhang; Ran Zhang; Yongfang Li
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 17, No. 2/3, 2024
Abstract: Studying the impact of XYPEX admixture on the frost resistance of nanometer CaCO3 concrete can provide a scientific basis for the design and construction of concrete engineering, and improve the durability and reliability of concrete structures. The analysis was conducted on the influence of xypex admixture on the frost resistance of nanometer CaCO3 concrete. Six types of nanometer CaCO3 concrete specimens were prepared with XYPEX admixture content set at 0%, 0.8%, 1.2%, 1.5%, 1.8%, and 2.1% of the total weight of cement and fly ash. The frost resistance of the nanometer CaCO3 concrete was tested using equipment such as a concrete rapid freeze-thaw tester and a concrete dynamic modulus measurement instrument. Experimental results showed that the addition of XYPEX admixture had a positive impact on the frost resistance of nanometer CaCO3 concrete. It could reduce the mass loss rate, relative dynamic modulus, dynamic modulus loss rate, and compressive strength loss rate.
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