A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Thermo-mechanical behavior of sand-clay mixtures. Part I: experimental study
Experimental studies on the thermo-mechanical properties of binary mixtures have not been well addressed. In this study, we conducted a series of temperature-controlled triaxial drained compression tests to investigate thermal effects on shear responses of binary mixtures of quartz sand and kaolin clay. The results demonstrated that the peak state deviatoric stress, the peak state friction angle, the axial strain of the specimen at the peak state, the relative softening coefficient, maximum dilatancy angle, and the secant modulus of the sand-clay mixtures are considerably influenced by the confining pressure, fine content or temperature. A modified stress-dilatancy equation was proposed by incorporating the influences of fine content and temperature, and the calculated results show that the stress-dilatancy behavior of sand-clay mixtures can be described within a limited range.
Thermo-mechanical behavior of sand-clay mixtures. Part I: experimental study
Experimental studies on the thermo-mechanical properties of binary mixtures have not been well addressed. In this study, we conducted a series of temperature-controlled triaxial drained compression tests to investigate thermal effects on shear responses of binary mixtures of quartz sand and kaolin clay. The results demonstrated that the peak state deviatoric stress, the peak state friction angle, the axial strain of the specimen at the peak state, the relative softening coefficient, maximum dilatancy angle, and the secant modulus of the sand-clay mixtures are considerably influenced by the confining pressure, fine content or temperature. A modified stress-dilatancy equation was proposed by incorporating the influences of fine content and temperature, and the calculated results show that the stress-dilatancy behavior of sand-clay mixtures can be described within a limited range.
Thermo-mechanical behavior of sand-clay mixtures. Part I: experimental study
Acta Geotech.
Xiao, Yang (author) / Sun, Zengchun (author) / Wang, Ninghao (author) / Guo, Haotian (author) / Wu, Huanran (author) / Meng, Minqiang (author)
Acta Geotechnica ; 19 ; 3377-3387
2024-06-01
11 pages
Article (Journal)
Electronic Resource
English
Plastic fines , Sand-clay mixtures , Shear strength , Stress-dilatancy relation , Thermal effects Engineering , Geoengineering, Foundations, Hydraulics , Solid Mechanics , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics
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