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Deformation Non-Uniformity of an Unsaturated Soil during Triaxial Testing
In the past, full-field deformation of unsaturated soils during triaxial testing has never been reported due to lack of a measurement method. In this paper, a photogrammetry-based method was presented to investigate the deformation of an unsaturated soil during triaxial testing. Measurement targets were attached to the surface of an unsaturated cylindrical specimen. With the newly developed photogrammetry-based method, the three-dimensional coordinates of these targets are accurately determined to monitor soil deformation during triaxial testing. Soil deformation non-uniformity was extracted based on the movements of those measurement targets on specimen surface. It was found that an unsaturated soil deformation under shear load was not uniformly distributed.
Deformation Non-Uniformity of an Unsaturated Soil during Triaxial Testing
In the past, full-field deformation of unsaturated soils during triaxial testing has never been reported due to lack of a measurement method. In this paper, a photogrammetry-based method was presented to investigate the deformation of an unsaturated soil during triaxial testing. Measurement targets were attached to the surface of an unsaturated cylindrical specimen. With the newly developed photogrammetry-based method, the three-dimensional coordinates of these targets are accurately determined to monitor soil deformation during triaxial testing. Soil deformation non-uniformity was extracted based on the movements of those measurement targets on specimen surface. It was found that an unsaturated soil deformation under shear load was not uniformly distributed.
Deformation Non-Uniformity of an Unsaturated Soil during Triaxial Testing
Li, Lin (author) / Zhang, Xiong (author)
IFCEE 2015 ; 2015 ; San Antonio, Texas
IFCEE 2015 ; 2084-2091
2015-03-17
Conference paper
Electronic Resource
English
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