FLOW POTENTIAL OF SAND DURING LIQUEFACTION

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概要

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• In order to quantify the tendency to flow characteristics of sandy soils, the maximum value of excess pore water pressure ratio developed during undrained monotonic loading test was taken as an index property and defined as flow potential. Triaxial compression tests, triaxial extension tests and simple shear tests on Toyoura sand were conducted by means of conventional triaxial and hollow cylinder torsion shear apparatuses. As a result, it became clear that the flow potential of sand was greatly affected by shearing mode. Sand at the same density showed the lowest flow potential in triaxial compression and the highest in triaxial extension, while simple shear condition exhibited intermediate behavior. Flow potential was related to residual strength ratio and criteria for flow failure were developed. Evaluation of flow potential and behavior of ground from the N-value of SPT were also discussed.

• 社団法人地盤工学会の論文
• 1998-09-15

著者

• 石原 研而

  Professor of Civil Engineering, University of Tokyo

• 吉嶺 充俊

  Lecturer Department Of Civil Engineering The University Of Tokyo 7-3-1 Hongo Bunkyo-ku Tokyo 113-865

• Yoshimine Mitsutoshi

  Department Of Civil Engineering The University Of Tokyo

• 石原 研而

  Professor Department Of Civil Engineering Science University Of Tokyo.

• Yoshimine M

  Department Of Civil Engineering The University Of Tokyo

関連論文

• 地震時の液状化に伴う砂地盤の沈下量予測(『土質工学会論文報告集』Vol.32,No.1 (1992年3月発行)掲載論文の概要)
• LIQUEFACTION-INDUCED COMPACTION AND SETTLEMENT OF SAND DURING EARTHQUAKES
• SUBSIDENCE OF BUILDING FOUNDATION RESTING UPON LIQUEFIED SUBSOIL : CASE STUDIES AND ASSESSMENT
• 液状化時の砂の流動ポテンシャル(『地盤工学会論文報告集』Vol.38,No.3 (1998年9月発行)掲載論文の概要)
• 主応力の方向と中間主応力の大きさが砂の非排水せん断挙動に与える影響(『地盤工学会論文報告集』Vol.38,No.3 (1998年9月発行)掲載論文の概要)
• FLOW POTENTIAL OF SAND DURING LIQUEFACTION
• EFFECTS OF PRINCIPAL STRESS DIRECTION AND INTERMEDIATE PRINCIPAL STRESS ON UNDRAINED SHEAR BEHAVIOR OF SAND
• FLOW POTENTIAL OF SANDY SOILS WITH DIFFERENT GRAIN COMPOSITIONS
• EMPIRICAL CORRELATION BETWEEN SPT N-VALUE AND RELATIVE DENSITY FOR SANDY SOILS
• MODELLING OF SAND BEHAVIOUR BASED ON STATE CONCEPT
• NORMALIZED BEHAVIOR OF VERY LOOSE NON-PLASTIC SOILS : EFFECTS OF FABRIC
• PORE WATER PRESSURES AND GROUND MOTIONS MONITORED DURING THE 1985 CHIBA-IBARAGI EARTHQUAKE
• UNDRAINED PLANE STRAIN SHEAR TESTS ON SATURATED SAND USING A HOLLOW CYLINDER TORSIONAL SHEAR APPARATUS
• GENERALIZED COULOMB'S CRITERION FOR 3-DIMENSIONAL STRESS CONDITIONS

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