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2篇 您的检索式:作者名="Adam BEZUIJEN"
    题名 作者 年代 出处 被引量
13D finite element method (FEM) simulation of groundwater flow during backward erosion piping显示文摘向后的侵蚀尖为连贯的水的重要失败机制正在保留基于沙的含水土层的结构。目前,为安全评价的预言模型经常基于 2D 假设。在这个工作, 3D 导致向后的侵蚀的侵蚀机制的地下水流动的数字途径尖被介绍并且讨论。2D 和 3D 的比较数字结果明确地表明尖现象的固有的 3D 性质。另外,渗出物长度的影响为尖开始和尖前进被调查并且讨论。结果清楚地显示介绍 3D 的优势与确定的 2D 途径相比的数字模型。而且,数字结果启用一更好涉及尖的向后的侵蚀并且这样的复杂物理机制理解的 3D 能在对保留结构的水的安全评价导致重要改进。Kristine VANDENBOER Vera van BEEK Adam BEZUIJEN 2014Frontiers of Structural and Civil Engineering2014,8,2:1
2Use of incipient motion data for backward erosion piping models显示文摘Backward erosion piping involves the gradual removal of granular material under the action of water flow from the foundation of a dam or levee, whereby shallow pipes are formed that grow in the direction opposite to the flow. This pipe-forming process can ultimately lead to failure of a water-retaining structure and is considered one of the most important failure mechanisms for dikes and levees in the Netherlands and the United States. Modeling of this mechanism requires the assessment of hydraulic conditions in the pipe, which are controlled by the particle equilibrium at the pipe wall. Since the pipe's dimensions are controlled by the inflow to the pipe from the porous medium, the flow through the pipe is thought to be laminar for fine- to medium-grained sands. The literature provides data for incipient motion in laminar flow, which is reviewed here and complemented with data from backward erosion experiments. The experiments illustrate the applicability of the laminar incipient motion data to determine the erosion pipe dimensions and corresponding pipe hydraulics for fine- to medium-grained sands, for the purpose of backward erosion piping modeling.Vera M. van Beek Bryant A. Robbins Gijs J.C.M. Hoffmans Adam Bezuijen Leo C. van Rijn 2019International Journal of Sediment Research2019,34,5:1
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