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Effects of principal stress direction and intermediate principal stress on undrained shear behavior of sand.
Bibliographic Information
- Other Title
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- Effects of Principal Stress Direction a
- Effect of principal stress direction and intermediate principal stress on undrained shear behaviour of sand
- Effects of principal stress direction and intermediate principal stress on undrained shear behaviour of sand
- Effect of principal stress direction and intermediate principal stress on undrained shear behavior of sand
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Description
Undrained monotonic loading triaxial compression and extension tests were conducted on Toyoura sand. It was found that the shear behavior was more contractive and softer in triaxial extension than in triaxial compression. This difference suggests that the stress conditions, such as the direction of the principal stress and the magnitude of the intermediate principal stress have some effects on the undrained behavior of sand. To clarify these effects, a series of tests was performed by means of an automated hollow cylindrical torsional shear apparatus. Dry-deposited Toyoura sand was used in these tests. The angle of the maximum principal stress from the vertical to the bedding plane, α, and the intermediate principal stress coefficient, b, were fixed in each test. The intermediate principal stress was fixed to horizontal. For any density, tests with a larger α-value, namely, a larger inclination of σ1 from the vertical, and a larger intermediate principal stress coefficient b were shown to generate greater excess pore water pressure. In addition, the undrained simple shear behavior of sand under initial isotropic and anisotropic stress conditions was studied. It was made clear that triaxial compression (α=0°, b=0) gives the highest resistance with lowest contractancy, while triaxial extension (α=90°, b=1) gives the opposite extreme in the assessment of flow failure. Simple shear mode of deformation was shown to exhibit an intermediate stress-strain behavior between triaxial compression and extension, which is closer to most of the field conditions.
Journal
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- SOILS AND FOUNDATIONS
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SOILS AND FOUNDATIONS 38 (3), 179-188, 1998
The Japanese Geotechnical Society
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Keywords
Details 詳細情報について
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- CRID
- 1390282679587990400
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- NII Article ID
- 110003946174
- 130004247435
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- NII Book ID
- AN10496056
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- NDL BIB ID
- 4575432
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- ISSN
- 13417452
- 00380806
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- Web Site
- http://id.ndl.go.jp/bib/4575432
- https://ndlsearch.ndl.go.jp/books/R000000004-I4575432
- https://api.elsevier.com/content/article/PII:S0038080620313111?httpAccept=text/xml
- https://api.elsevier.com/content/article/PII:S0038080620313111?httpAccept=text/plain
- http://dl.ndl.go.jp/info:ndljp/pid/10423389
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- NDL Digital Collections (NII-ELS)
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed