YIELDING AND FLOW OF SAND UNDER PRINCIPAL STRESS AXES ROTATION
スポンサーリンク
概要
- 論文の詳細を見る
In order to investigate the influence of inherent anisotropy on the yielding and plastic flow of loose and dense sand, a series of experiments involving a wide range of principal stress axes directions were carried out on hollow cylindrical specimens of Toyoura sand using a torsional shear test apparatus. Stress paths involving cycles of stress reversal and stress axis rotation were performed in order to identify the states of stress at which plastic flow begins to take place. The test results revealed well-defined families of yield loci having identical shapes in the stress space independent of the density of sand. Experimental evidence presented here shows that the direction of the plastic strains for different stress increments is not uniquely established indicating the non-existence of a unique plastic potential. Consequently, within the framework of conventional theory of plasticity, the yielding and flow of sand can only be explained with the concept of multiple yield surfaces.
- 社団法人地盤工学会の論文
- 1990-03-15
著者
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石原 研而
Department Of Civil Engineering Chuo University:department Of Civil Engineering Tokyo University Of
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石原 研而
Science University Of Tokyo Chiba 278-8510.
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PRADEL DANIEL
Lockwood-Singh & Associates
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GUTIERREZ MARTE
Department of Civil Engineering, University of Tokyo
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Pradel Daniel
Lockwood-singh & Associates:department Of Civil Engineering University Of Tokyo
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Gutierrez Marte
Department Of Civil Engineering University Of Tokyo
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- RESPONSE OF PILE GROUPS AGAINST SEISMICALLY INDUCED LATERAL FLOW IN CENTRIFUGE MODEL TESTS
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- DRAINED DEFORMATION OF SAND UNDER CYCLIC STRESSES REVERSING DIRECTION
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