UNIFIED MODELING OF MONOTONIC AND CYCLIC BEHAVIOR OF INTERFACE BETWEEN STRUCTURE AND GRAVELLY SOIL

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概要

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• This paper describes an elasto-plasticity damage model, termed the EPDI model, of the interface between a structure and gravelly soil. The formulations are derived on the basis of a new model framework, with test-basis concepts and assumptions, for a unified description of monotonic and cyclic behavior of such an interface. The model parameters, with physical meaning, are easily determined from a group of cyclic shear tests and a confining compression test. The comparisons of model predictions with the results for a series of tests under varying loading conditions demonstrate that the EPDI model is effective in accurate description of monotonic and cyclic stress-strain relationship of the interface between a structure and gravelly soil with capturing new features, including: 1) shear stress-strain relationship and comprehensive volumetric strain response (e.g., partly dependent on shear strain); 2) volumetric strain response that is dependent on the shear direction; and 3) evolution of behavior of the interface associated with the evolution of physical state.

• 社団法人地盤工学会の論文

著者

• Zhang Ga

  State Key Laboratory Of Hydroscience And Engineering Tsinghua University

• Zhang Jian-min

  State Key Laboratory Of Hydroscience And Engineering Tsinghua University

関連論文

• UNIFIED MODELING OF MONOTONIC AND CYCLIC BEHAVIOR OF INTERFACE BETWEEN STRUCTURE AND GRAVELLY SOIL
• MODELING OF GRAVELLY SOIL WITH MULTIPLE LITHOLOGIC COMPONENTS AND ITS APPLICATION
• LARGE-SCALE MONOTONIC AND CYCLIC TESTS OF INTERFACE BETWEEN GEOTEXTILE AND GRAVELLY SOIL

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