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Triaxial and Torsional Shear Test Results for Sand
This report presents the results of the laboratory tests conducted in triaxial and torsional apparatus. The purposes of this report are not only to support the calibration and verification of the bounding surface hypoplasticity model for granular soil but to provide a valuable data base for future research in numerical model simulation and design. Under this contract, two experiments were carried out: (1) Laboratory samples in the triaxial apparatus and hollow cylinder torsional apparatus; and (2) Centrifuge model tests including two and three-dimensional structures subjected to static and dynamic loadings. This report presents the results of triaxial tests including drained and undrained, monotonic and cyclic, and stress and strain controlled tests. The maximum stress ratio achieved in drained triaxial tests was significantly larger than that in undrained triaxial tests. Results of six hollow cylinder torsional and rotational shear tests are also presented. The results from different types are compared. Finally, the conclusions of these laboratory tests are also discussed. The test results indicate that the shape of phase transformation and failure surfaces were different when viewed in the pi-plane. It was also found that samples subject to rotational shear may be less likely to develop larger strain during undrained cycling than samples in triaxial compression/extension cyclic tests at similar stress ratios.
Triaxial and Torsional Shear Test Results for Sand
This report presents the results of the laboratory tests conducted in triaxial and torsional apparatus. The purposes of this report are not only to support the calibration and verification of the bounding surface hypoplasticity model for granular soil but to provide a valuable data base for future research in numerical model simulation and design. Under this contract, two experiments were carried out: (1) Laboratory samples in the triaxial apparatus and hollow cylinder torsional apparatus; and (2) Centrifuge model tests including two and three-dimensional structures subjected to static and dynamic loadings. This report presents the results of triaxial tests including drained and undrained, monotonic and cyclic, and stress and strain controlled tests. The maximum stress ratio achieved in drained triaxial tests was significantly larger than that in undrained triaxial tests. Results of six hollow cylinder torsional and rotational shear tests are also presented. The results from different types are compared. Finally, the conclusions of these laboratory tests are also discussed. The test results indicate that the shape of phase transformation and failure surfaces were different when viewed in the pi-plane. It was also found that samples subject to rotational shear may be less likely to develop larger strain during undrained cycling than samples in triaxial compression/extension cyclic tests at similar stress ratios.
Triaxial and Torsional Shear Test Results for Sand
B. L. Kutter (author) / Y. R. Chen (author) / C. K. Shen (author)
1994
195 pages
Report
No indication
English
Soil Sciences , Soil & Rock Mechanics , Sand , Soil tests , Shear tests , Axial loads , Torsion , Cohesionless soils , Finite element analysis , Soil models , Stress strain relations , Plastic properties , Mathematical models , Centrifuges , Cyclic tests , Strain(Mechanics) , Stress analysis , Geotechnical engineering , Laboratory tests , Compressive strength , Triaxial loads , Undrained shear tests , Drained soils , Nevada
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