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新拌水泥混凝土均匀性评价方法

, PP. 25-30

Keywords: 道路工程,混凝土,试验分析,粗集料均匀分布,均匀度

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Abstract:

为解决水泥混凝土搅拌均匀性尚无严格评价方法的问题,通过试验分析了新拌混凝土单位体积中粗集料随搅拌时间的变化规律,提出了混凝土中粗集料均匀分布的概念,并在此基础上提出了评价新拌混凝土粗集料分布均匀性的指标——均匀度;通过混凝土试件的抗压强度值以及新增强度标准差、强度离差系数对该评价指标进行了验证,得出该评价指标的可行性和准确性;最后一并给出了评价新拌混凝土均匀性的参考标准.

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