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实验采用原状Ⅰ级粉煤灰作为掺合料制备了高流动性C70-C80高性能混凝土 ,比较了含气量、粉煤灰掺量对混凝土抗冻性的影响。
In this experiment, high-performance C70-C80 high-performance concrete with grade I fly ash was used as admixture. The effect of gas content and fly ash content on the frost resistance of concrete was compared.