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首页> 外文会议>Engineering, Construction, and Operations in Challenging Environments: Earth amp; Space 2004 >INTERFACE BEHAVIOR OF GRANULAR SOILS
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INTERFACE BEHAVIOR OF GRANULAR SOILS

机译：粒状土壤的界面行为

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Interface shear zones between participate materials and continuum elements of man-made or natural materials have not been traditionally considered as shear bands. However, the results of recent micro-scale experimentation and numerical simulations have shown that they are indeed well developed partial shear bands Further, these studies have indicated that significant similarities can be identified between these partial shear bands and what are more traditionally considered to be shear bands that evolve wholly within participate materials This paper presents results from physical and numerical experiments that suggest there is significant merit to this opinion The physical experiments include quantitative analysis of the particle deformation following shear adjacent to continuum surfaces of different roughness as well as analyses of sand specimens sheared to different global strain levels Complimentary 2-D Discrete Element Method modeling of particulate-continuum surface interfaces illustrates this parallel behavior.
机译：传统上不将参与材料与人造或天然材料的连续体之间的界面剪切区视为剪切带。然而，最近的微尺度实验和数值模拟的结果表明它们确实是发达的局部剪切带。此外，这些研究表明，可以在这些局部剪切带之间找到明显的相似之处，而传统上认为是剪切的完全在参与材料中演化的谱带本文介绍了物理和数值实验的结果，这些结果暗示了这种观点的重大价值。物理实验包括定量分析邻近不同粗糙度连续体表面的剪切后的颗粒变形，以及砂土分析。剪切为不同整体应变水平的试样颗粒-连续体表面界面的免费二维离散元方法建模说明了这种并行行为。

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