首页> 外文期刊>Arabian Journal for Science and Engineering. Section A, Sciences >Comparison of Local Scour Characteristics around Two Eccentric Piers of Different Shapes
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Comparison of Local Scour Characteristics around Two Eccentric Piers of Different Shapes

机译:不同形状两种偏心墩围绕局部冲刷特性的比较

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摘要

Local scour at single pier has been extensively studied by several investigators,but scanty work is available on scour around piers placed in close proximity. The present research is concerned with experimental studies of the formation and characteristics of local equilibrium scour around a set of two identical circular-,square-,and triangularshaped piers placed in longitudinal direction to the flow with a constant eccentricity (transverse distance). The objective is to see the nature of scour evolved due to the effect of mutual interference of one pier on another with the longitudinal spacing between them varying 0.25,0.375,0.5,0.625,and 0.75 times the scour-affected lengths for a single-pier test. Analysis of the results shows the variations of individual non-dimensional equilibrium scour parameters with the effective pier width (diameter of the smallest circumscribing circle of the pier) and increasing longitudinal spacing between the piers.
机译:单码头的本地冲刷已被几个调查员进行了广泛的研究,但在靠近近距离的码头周围有稀疏的工作。本研究涉及关于局部平衡冲刷的形成和特性的实验研究,围绕一组相同的圆形,方形和三角形的桥墩,其沿纵向方向放置到具有恒定偏心(横向距离)的流动。目的是看到冲刷的性质由于另一个码头对另一个码头相互干扰的影响而变化,它们之间的纵向间距在0.250.375,0.5,0.625之间,并且为单码头的冲刷长度0.75倍测试。结果分析表明,具有有效墩宽度(墩的最小围绕圆形的直径)和增加墩之间的纵向间隔的各个非尺寸平衡冲刷参数的变化。

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