MODELING OF GRAVELLY SOIL WITH MULTIPLE LITHOLOGIC COMPONENTS AND ITS APPLICATION

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概要

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• The behavior of a gravelly soil with multiple lithologic components was investigated using large-scale compression and triaxial tests based on the research scheme "separating before mixing". A series of test results showed that the behavior of a gravelly soil with multiple lithologic components was significantly dependent on the identity and proportions of the lithologic components. A new constitutive model was established to capture the main behavior of a gravelly soil with arbitrary lithologic proportions using few parameters based on the presentation of an elasto-plasticity model and the deformation mechanism of a complex soil. The parameters of this model can be determined using triaxial tests of a simple soil with a single lithologic component. The numerical efficiency of the model was confirmed by successful application to several high rockfill dams. Three-dimensional finite element (FEM) stress-strain analysis results for the Jishixia concrete-faced rockfill dam were obtained as important references for the selection of rockfill and optimizing the design of the dam.

• 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

• YU YILIN

  State Key Laboratory of Hydroscience and Engineering, Tsinghua University

• Yu Yilin

  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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