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关于粉煤灰混凝土的抗冻性能,长期以来,一直是水工混凝土急待解决的问题。尽管国内外学者做了大量的工作,但看法还不完全一致。随着试验条件的日益完善,我国专业工作者就此问题又深入地进行了试验研究,并取得了可喜的成果。由于抗冻性的影响因素多,试验误差较大,只用“孤立变量法”(固定其它因素,让一个因素变化)来分析问题,就难以定量地揭示抗冻性与影响因素之间的内在规律
With respect to the frost resistance of fly ash concrete, it has long been a problem to be solved for hydraulic concrete. Although domestic and foreign scholars have done a lot of work, their views are not exactly the same. With the improvement of experimental conditions, professional workers in China conducted further experiments on this issue and achieved gratifying results. Since there are many factors affecting frost resistance and the experimental error is large, only by using the “isolated variable method” (fixing other factors and letting one factor change) analyze the problem, it is difficult to quantitatively reveal the inherent relationship between frost resistance and influencing factors. law