Chapter
Apr 26, 2012
Digital Image Processing Technique to Indirect Tensile Test of Asphalt Mixtures
Authors: Ying-Juan Qiao [email protected], Zhe-Ren Wang, Jing-Yun Chen, and Chang-Hong ZhouAuthor Affiliations
Publication: International Conference on Transportation Engineering 2007
Abstract
A digital image processing technique is used for conventional indirect tensile test of asphalt mixtures, by which non-connect measuring process is realized on the horizontal and vertical deformation of specimen. In this system, the shape and deformation of the specimen are automatically monitored and recorded. Through comparison and Analysis the limitation and superiority of traditional measurement method with the digital image processing technique, it is proved that the latter is more practical. Also, the precision and error of the digital image processing system is tested. It is advanced that Poisson's ratio changes with the stress state of material, and the displacement field of specimen surface at any given time is given in this paper to be used to analyze the local deformation of materials.
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© 2007 American Society of Civil Engineers.
History
Published online: Apr 26, 2012
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ASCE Technical Topics:
- Automation and robotics
- Comparative studies
- Computer vision and image processing
- Continuum mechanics
- Deformation (mechanics)
- Engineering fundamentals
- Engineering mechanics
- Errors (statistics)
- Material mechanics
- Material tests
- Materials characterization
- Materials engineering
- Mathematics
- Methodology (by type)
- Mixtures
- Poisson ratio
- Research methods (by type)
- Solid mechanics
- Statistics
- Strain
- Structural mechanics
- Systems engineering
- Tests (by type)
Authors
Affiliations
School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China. E-mail: [email protected]
Zhe-Ren Wang
School of Science and Engineering on Communication, Harbin Institute of Technology, Harbin 150001, China andSchool of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China
Jing-Yun Chen
School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China
Chang-Hong Zhou
School of Civil and Hydraulic Engineering, Dalian University of Technology, Dalian 116024, China
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