STRESS-STRAIN BEHAVIOR OF SAND IN PLANE STRAIN COMPRESSION, EXTENSION AND CYCLIC LOADING TESTS

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概要

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• Stress-strain behavior of sand in plane strain compression, extension and cyclic loading was studied. To attain plane strain extension stress states in a conventional plane strain compression apparatus, a pair of intermediate confining platens were added between the specimen and the specimen and the conventional confining platens. They together were enveloped within a specimen membrane so that the intermediate principal stress can be larger than the vertical stress under plane strain extension stress conditions with the lateral confining pressure larger than the vertical stress. To simulate active and passive earth pressure conditions and those under horizontal cyclic loading conditions with the constant vertical stress in the field, specimens were rotated by 90 degrees before each test so that the horizontal stress when the specimen was prepared became the vertical stress in the test. Typical stress-strain relationships are presented from tests performed on saturated specimens of air-pluviated Toyoura sand measuring strains locally. It is shown that although the relationships between the vertical stress and the vertical strain are considerably non-symmetric about the neutral stress condition under the plane strain compression and extension stress conditions, those between sin φ_<mob> and the shear strain are essentially symmetric, and therefore, relevant for modeling. Stress-dilatancy relationships are also presented.

• 社団法人地盤工学会の論文
• 1999-10-15

著者

• 龍岡 文夫

  Professor, Faculty of Engineering, University of Tokyo.

• 佐藤 剛司

  Research Associate, Institute of Industrial Science, University of Tokyo, Roppongi 7-22-1, Minato-ku

• Masuda Toru

  East Japan Railway Co. Ltd. (formerly Graduate Student Department Of Civil Engineering University Of

• TATSUOKA FUMIO

  Professor, Department of Civil Engineering, University of Tokyo.

• YAMADA SHINICHI

  Kiso-Jiban Consultants Co., Ltd.

• SATO TAKESHI

  Research Assistant, Institute of Industrial Science, University of Tokyo.

• Yamada S

  Kiso-jiban Consultants Co. Ltd.

• Tatsuoka F

  Professor Department Of Civil Engineering University Of Tokyo.

• 増田 達

  East Japan Railway Co., Ltd., (Formerly Graduate Student, Department of Civil Engineering, University of Tokyo).

• 山田 真一

  Kiso-Jiban Consultants Co., Ltd.

• 佐藤 剛司

  Research Assistant, Institute of Industrial Science, University of Tokyo.

関連論文

• CONSTANT PRESSURE AND CONSTANT VOLUME DIRECT SHEAR TESTS ON REINFORCED SAND
• PRELOADED AND PRESTRESSED REINFORCED SOIL
• CHANGE OF SMALL STRAIN QUASI-ELASTIC DEFORMATION PROPERTIES DURING UNDRAINED CYCLIC TORSIONAL SHEAR AND TRIAXIAL TESTS OF TOYOURA SAND
• 研究速報 : Small Strain Behaviour of Sands in Plane Strain Compression : Part 1 Development of instrumentation for small strain measurements
• MODEL TESTS AND FEM SIMULATION OF SOME FACTORS AFFECTING THE BEARING CAPACITY OF A FOOTING ON SAND
• NUMERICAL SIMULATION OF BEARING CAPACITY CHARACTERISTICS OF STRIP FOOTING ON SAND
• PLANE STRAIN COMPRESSION BEHAVIOUR OF GEOGRID-REINFORCED SAND AND ITS NUMERICAL ANALYSIS
• NON-LINEAR SOIL MODEL WITH VARIOUS STRAIN LEVELS AND ITS APPLICATION TO AXISYMMETRIC EXCAVATION PROBLEM
• NON-LINEAR SOIL MODEL WITH VARIOUS STRAIN LEVELS AND ITS APPLICATION TO AXISYMMETRIC EXCAVATION PROBLEM
• EVALUATION OF TIME-DEPENDENT DEFORMATION PROPERTIES OF SEDIMENTARY SOFT ROCK AND THEIR CONSTITUTIVE MODELING
• 研究速報 : Non-linearity in Stress-Strain Relations of a wide Range of Geotechnical Engineering Materials : -Part1 Experimental results
• STRESS-STRAIN BEHAVIOR OF SAND IN PLANE STRAIN COMPRESSION, EXTENSION AND CYCLIC LOADING TESTS

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