Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effects of Initial and Induced Anisotropy on Initial Stiffness of Sand by Triaxial and Bender Elements Tests
In this study, to examine the effects of the fabric anisotropy of sand specimen and the anisotropic consolidation stress on the small strain stiffness, the bender elements test and the cyclic and monotonic triaxial tests were performed on several kinds of reconstituted and undisturbed sand samples. These laboratory test results were compared to the results of in-situ seismic surveys. Test results showed that the shear wave velocity estimated from the Young's modulus on triaxial test is lower than those from bender elements and in-situ tests. In particular, it was remarkably recognized in the sample including coarse materials. Therefore, in the case of a comparison of initial stiffness between the laboratory and in-situ tests, the shear wave velocity should be measured in the laboratory test in the same way as the in-situ test.
Effects of Initial and Induced Anisotropy on Initial Stiffness of Sand by Triaxial and Bender Elements Tests
In this study, to examine the effects of the fabric anisotropy of sand specimen and the anisotropic consolidation stress on the small strain stiffness, the bender elements test and the cyclic and monotonic triaxial tests were performed on several kinds of reconstituted and undisturbed sand samples. These laboratory test results were compared to the results of in-situ seismic surveys. Test results showed that the shear wave velocity estimated from the Young's modulus on triaxial test is lower than those from bender elements and in-situ tests. In particular, it was remarkably recognized in the sample including coarse materials. Therefore, in the case of a comparison of initial stiffness between the laboratory and in-situ tests, the shear wave velocity should be measured in the laboratory test in the same way as the in-situ test.
Effects of Initial and Induced Anisotropy on Initial Stiffness of Sand by Triaxial and Bender Elements Tests
Yamashita, Satoshi (Autor:in) / Hori, Tomohito (Autor:in) / Suzuki, Teruyuki (Autor:in)
First Japan-U.S. Workshop on Testing, Modeling, and Simulation ; 2003 ; Boston, Massachusetts, United States
Geomechanics ; 350-369
18.03.2005
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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