沥青混合料集料分形和性状相关性研究  

Relativity Study on Aggregates Fractal and Mechanics Indexes of Asphalt Mixture

作　　者：黄继成[1] 黄彭[1] 

机构地区：[1]同济大学交通运输工程学院

出　　处：《同济大学学报（自然科学版）》2006年第12期1632-1636,共5页Journal of Tongji University:Natural Science

摘　　要：利用分形理论对沥青混合料集料进行研究,推导出集料粒径、集料级配均具有分形的性质.对由同样材料组成的四种沥青混合料SMA-13,OGFC-13,SUPER-13,AK-13A进行研究,发现集料粒径分布分维数值与集料粒径分布相关性很好.对沥青玛蹄脂碎石混合料进行试验研究,得出粒径分布分维数值与马歇尔稳定度、矿料间隙率、孔隙率、沥青饱和度、劈裂强度、水稳定性等同样具有较好的相关性.因此,将分形理论用于沥青混合料的研究是非常重要的.The granular diameter distributing fractal dimension of aggregates and the granular mass distributing fractal dimension are deduced and their relationship is analyzed by introducing the fractal theory into asphalt mixtures research field, Four asphalt mixtures SMA-13, OGFC-13, SUPER-13, AK- 13A made up of the same materials are studied. It is discovered that the aggregate＇s granular diameter distributing fractual dimension is well related to granular diameter distribtuing. Finally, experiment is conducted on stone matrix asphal mixture （SMA）. The aggregates＇ granular diameter distributing fractal dimension is also well related to Marshall stability, VMA, W, VFA splitting strength, moisture susceptibility. Therefore, it is important to introduce the fractal theory into asphal mixture resarch.

关 键 词：沥青混合料 分形理论 集料 分维数值 力学指标 相关性 

分 类 号：U416.217[交通运输工程—道路与铁道工程]