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研究了C35级高掺量粉煤灰泵送混凝土在大体积混凝土基础中的应用问题.该混凝土中425号普通硅酸盐水泥用量为330kg/m3,粉煤灰掺量为130kg/m3,结果表明:采用该技术不仅混凝土强度在60d龄期可达C35要求,而且可以明显降低混凝土的温升并推迟温峰出现的时间.
The application of C35 high volume fly ash pump concrete in mass concrete foundation was studied. The amount of ordinary portland cement No. 425 in the concrete is 330kg/m3, and the amount of fly ash is 130kg/m3. The results show that not only the strength of the concrete can reach the C35 requirement during the 60d age, but also the concrete can be significantly reduced. Temperature rise and delay the appearance of Wen Feng.