基于X-ray CT技术的沥青混合料三维数值模型

Asphalt three-dimensional numerical model based on X-ray CT technology

运用MATLAB软件获取CT图像的数字信息,利用MATLAB语言构造出一系列M函数,用于显示、处理获取到的CT图像的图像数据,将得到的数据图像信息导入有限元软件ANSYS,建立了沥青混合料三维细观结构有限元模型,分别包括集料、空隙和沥青胶浆的模型,建立生成的模型与真实的模型更加接近,并对模型进行了有关的数值模拟。通过对比分析真实沥青混合料试件与数值模型内部结构中不同组分之间的差异,来验证模型的准确性。

Using MATLAB software to obtain the digital information that from CT images,and using MATLAB language constructs a series of image data for display and processing of M functions.While the reconstruction of the image information can import large finite element software ANSYS,and build a asphalt three-dimensional finite element model of the microstructure that includ aggregate,voids and asphalt mortar.The numerical simulation of the model is carried out.