ANISOTROPY IN MECHANICAL PROPERTIES AND ITS SIMULATION OF SANDS SAMPLED FROM NATURAL DEPOSITS
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概要
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A series of static triaxial compression and extension tests and cyclic undrained triaxial tests on the undisturbed specimens obtained by the in-situ block sampling method were performed to assess the anisotropy in the static and cyclic deformation-strength characteristics of naturally deposited sands. Test results showed that anisotropic mechanical properties can be observed clearly not only in artificially deposited sands, but also in naturally deposited sands. It was recognized that mechanical anisotropy of natural cohesionless soils examined in the present study is characterized by the phenomena in which sand is more compressible and less extensible in the horizontal direction than in the vertical direction of the in-situ sand grounds and is attributed to the fabric anisotropy formed by the parallel alignments of sand particles induced during their depositing process. Moreover, it was also indicated that the anisotropic stress-strain-dilatancy properties and liquefaction characteristics of naturally deposited sands which contain the least amount of finer fractions could be simulated to a certain degree in a laboratory by adopting the sand sample preparation method such as pluviation of sand through air and MSP methods described in the previous paper (Miura and Toki, 1982).
- 社団法人地盤工学会の論文
- 1984-09-15
著者
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三浦 清一
Department of Civil Engineering, Muroran Institute of Technology
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土岐 祥介
Department Of Civil Engineering Hokkaido University
関連論文
- A PROCEDURE MINIMIZING MEMBRANE PENETRATION EFFECTS IN UNDRAINED TRIAXIAL TEST
- 繰返し非排水三軸強度と繰返し非排水水中空ねじり強度に及ぼす砂の構造異方性の影響(『土質工学会論文報告集』Vol.33,No.3 (1993年9月発行)掲載論文の概要)
- EFFECTS OF FABRIC ANISOTROPY OF SAND ON CYCLIC UNDRAINED TRIAXIAL AND TORSIONAL STRENGTHS
- EFFECTS OF PRESHEARING ON LIQUEFACTION CHARACTERISTICS OF SATURATED SAND SUBJECTED TO CYCLIC LOADING
- EFFECTS OF MEMBRANE PENETRATION ON MODULUS AND POISSON'S RATIO FOR UNDRAINED CYCLIC TRIAXIAL CONDITIONS
- ANISOTROPY IN MECHANICAL PROPERTIES AND ITS SIMULATION OF SANDS SAMPLED FROM NATURAL DEPOSITS
- ELASTOPLASTIC STRESS-STRAIN RELATIONSHIP FOR LOOSE SANDS WITH ANISOTROPIC FABRIC UNDER THREE-DIMENSIONAL STRESS CONDITIONS
- A SAMPLE PREPARATION METHOD AND ITS EFFECT ON STATIC AND CYCLIC DEFORMATION-STRENGTH PROPERTIES OF SAND
- CONE PENETRATION CHARACTERISTICS AND ITS CORRELATION TO STATIC AND CYCLIC DEFORMATION-STRENGTH BEHAVIORS OF ANISOTROPIC SAND
- DEFORMATION BEHAVIOR OF ANISOTROPIC DENSE SAND UNDER PRINCIPAL STRESS AXES ROTATION
- DEFORMATION PREDICTION FOR ANISOTROPIC SAND DURING THE ROTATION OF PRINCIPAL STRESS AXES
- DEFORMATION BEHAVIOR OF ANISOTROPIC DENSE SAND UNDER PRINCIPAL STRESS AXES ROTATION