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Study on the Hydraulic Characteristics Influenced by Pile Group Arrangement
Author(s): 
Pages: 98-101
Year: Issue:  4
Journal: Yellow River

Keyword:  桩群排列方式水力特性紊动强度雷诺应力ADV;
Abstract: 利用室内水槽试验模拟了桩群不同排列方式工况下水流的运动规律,借助三维超声波多普勒测速仪(ADV)量测了不同断面、不同垂线、不同测点的时均流速,得到了不同工况下的流速分布、紊动强度、雷诺应力,并分析了它们的变化特征.结果表明:桩群使流速重新分布,在桩群区与非桩群区交界处流速明显减小,且桩群布置密度大时,水流绕流流速最大;当桩群排列方式改变时,各断面的三向紊动强度都会发生较大改变,但是对于某一方向上的...
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