Flow Behavior and Solidification of Liquefied Saturated Sands

研究了液化、流动和凝固对土体有限变形的影响程度。粘性双分量边界层与凝固波之间二维相互作用的研究，是为了建立预测横向扩展和流动破坏程度的标准（基于土壤性质和地面几何形状）。该研究基于一维凝固过程和基于液体和固体两个叠加相互作用连续体构建的模型。因此，调查是这些发现的延伸和推广到两个维度，其中分析的重点是在这个双连续体框架中应力和应变率之间的二维本构关系的发展。这项研究的结果将提供一种更可靠的方法来预测与地面有关的危险事件中横向扩散和流动破坏的程度，并估计对结构的潜在破坏。

The extent of finite soil deformation caused by liquefaction, flow and solidification, is addressed in this project. The study of the two- dimensional interactions between viscous two-component boundary layers and solidification waves, is undertaken for establishing criteria (based on soil properties and ground geometry) for predicting the extent of lateral spreading and flow failures. The study is based on a one-dimensional solidification process and a model constructed on the basis of two superimposed and interacting continua, the liquid and the solids. The investigation thus, is an extension and generalization of those findings to two dimensions, where the analysis focuses on the development of the two-dimensional constitutive relations between stress and strain rate in this bi-continuum framework. The results of this study will provide a more reliable way of predicting the extent of lateral spreading and flow failures in the event of a ground related hazard, and of estimating the damage potential to structures.