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沙漠公路路堤输沙性能风洞试验

, PP. 7-12

Keywords: 道路工程,沙漠公路,风洞试验,输沙性能,路堤,回归分析

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Abstract:

?引用风沙环境流场理论,分析了路堤断面对流场的影响以及风向对路堤输沙性能的影响。采用风沙环境风洞试验方法,推导出路堤阻沙性能指数与流场速度、路堤边坡坡度、路堤高度的多因素数学模型。结果表明:路堤阻沙性能指数与流场速度呈幂函数变化,与路堤边坡坡度呈负指数变化,与路堤高度呈指数变化和直线变化。

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