Measurement of local and volumetric deformation in geotechnical triaxial testing using 3D-digital image correlation and a subpixel edge detection algorithm

Based on the three-dimensional digital image correlation (3D-DIC) technique, the stereovision system has been applied to the improved triaxial apparatus to obtain 3D full-field deformation of the specimen during triaxial testing. Through the calibration process, the 3D-DIC technique can obtain the a...

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Veröffentlicht in:	Acta geotechnica 2020-10, Vol.15 (10), p.2891-2904
Hauptverfasser:	Wang, Pengpeng, Guo, Xiaoxia, Sang, Yong, Shao, Longtan, Yin, Zenan, Wang, Yudi
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Complex Fluids and Microfluidics Correlation Deformation Detection Digital imaging Displacement Edge detection Engineering Foundations Geoengineering Geotechnical engineering Geotechnical Engineering & Applied Earth Sciences Hydraulics Mathematical analysis Measurement Measurement methods Measurement techniques Mechanical properties Pixels Research Paper Soft and Granular Matter Soil Soil mechanics Soil Science & Conservation Soil strength Soils Solid Mechanics Strain Strain distribution Stress-strain relationships Testing Tests Triaxial tests
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