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排水沥青混合料比表面积的分形研究

DOI: 10.3969/j.issn.1674-0696.2013.01.10, PP. 41-45

Keywords: 分形,集料比表面积,级配曲线,fractaltheory,specificsurface,gradingcurve

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Abstract:

:?对集料的粒径分布、级配、集料总体积、空隙率、表面积等做出相关分析,给定了集料各特征值的具体求法,建立体积分维DV和表面积分维DS之间的关系,并根据级配曲线的走向,按不同分段方式进行比表面积计算对比。结果表明:不同的分段方式对于排水沥青混合料的比表面积确定有很大的影响,在进行比表面积计算时,应按各筛级进行逐级分段计算。

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