X-ray CT （computed tomography） was used to scan asphalt mixture specimen to ob- tain high resolution continuous cross-section images and the meso-structure. According to the theory of three-dimensional （3D） recons...X-ray CT （computed tomography） was used to scan asphalt mixture specimen to ob- tain high resolution continuous cross-section images and the meso-structure. According to the theory of three-dimensional （3D） reconstruction, the 3D reconstruction algorithm was investi- gated in this paper. The key to the reconstruction technique is the acquisition of the voxel posi- tions and the relationship between the pixel element and node. Three-dimensional numerical model of asphalt mixture specimen was created by a self-developed program. A splitting test was conducted to predict the stress distributions of the asphalt mixture and verify the rationality of the 3D model.展开更多
基金supported by National Natural Science Foundation of China(NSFC)(No.51178056)Fundamental and Applied Research Project of Chinese National Transportation Department(No.2013319812010)the Special Fund for Basic Scientific Research of Central Colleges,Chang'an University(No.CHD2013G3212003)
文摘X-ray CT （computed tomography） was used to scan asphalt mixture specimen to ob- tain high resolution continuous cross-section images and the meso-structure. According to the theory of three-dimensional （3D） reconstruction, the 3D reconstruction algorithm was investi- gated in this paper. The key to the reconstruction technique is the acquisition of the voxel posi- tions and the relationship between the pixel element and node. Three-dimensional numerical model of asphalt mixture specimen was created by a self-developed program. A splitting test was conducted to predict the stress distributions of the asphalt mixture and verify the rationality of the 3D model.
