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Sedimentation process of saturated sand under impact loading
The initial small inhomogeneity of saturated sand could be amplified during the sedimentation process after liquefaction, and cracks could be observed in the sand column. Layers of fine sand could also be found at the exact place where cracks developed and disappeared. The phenomena and the whole process were experimentally shown by X-rays images. To account for the phenomena, a linearized stability analysis of the sedimentation of saturated sand was conducted; however, it did not produce a satisfactory result. A three-phase flow model describing the transportation of fine sand is presented in this paper. It is shown that such a kind of erosion/deposition model was qualitatively in good agreement with the experimental observation.
作 者： ZHANG Junfeng MENG Xiangyue 作者单位： Institute of Mechanics, Chinese Academy of Sciences, Beijing 100080, China 刊 名： 中国科学E辑（英文版） SCI 英文刊名： SCIENCE IN CHINA SERIES E(TECHNOLOGICAL SCIENCES) 年，卷(期)： 2005 48(z1) 分类号： P3 关键词： sedimentation process liquefaction stability analysis three-phase flow model【Sedimentation process of saturated s】相关文章：
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