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基于X-CT技术的沥青混合料三维数值化试样重建

, PP. 33-37

Keywords: 道路工程,数值化试样,三维重建,沥青混合料,X-CT

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Abstract:

为了对沥青混合料内部结构进行三维重构,采用德国Compact-225型工业X-CT扫描混合料试件,实现试件的三维可视化,计算出集料、砂胶、空隙的体积组成。采用自行编写的程序,实现了由三维可视化模型向三维数值化模型的转化。提出了边界空隙率的概念,通过设置一定的边界空隙率,使模型的边界空隙分布符合实际试样的空隙分布。建立了基于实际试样真实内部微细观分布的数值化试样,弥补了传统的数值方法采用统计学原理或采用对试件损伤研磨建立三维细观模型的不足,为数值化测试奠定了重要基础。

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