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An experimental study on geometric characteristics of beach erosion profiles

机译：海滩侵蚀剖面几何特征的实验研究

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摘要

The beach profile and sediment transport are very important factors in the design of coastal structures, and the beach profile is mainly affected by a number of parameters, such as wave height and period, beach slope, and the material properties of the bed. In this study, considering wave height (H_0 = 6.5, 11.5, 16, 20, 23, 26 and 30 cm), wave period (T = 1.46 and 2.03 s), beach slope (m = 1/10 and 1/15) and mean sediment diameter (d_(50) = 0.18, 0.26, 0.33 and 0.40 mm), an experimental investigation of coastal erosion profile (storm profile) was carried out in a wave flume using regular waves, and geometric characteristics of erosion profile were determined by the resultant erosion profile. Dimensional and non-dimensional equations were obtained by using linear and non-linear regression methods through the experimental data and were compared with previously developed equations in the literature. The results have shown that the experimental data fitted well to the proposed equations with respect to the previously developed equations.
机译：海滩轮廓和泥沙输送是沿海结构设计中非常重要的因素，海滩轮廓主要受许多参数的影响，例如波高和周期，海滩坡度和床的材料特性。在这项研究中，考虑波浪高度（H_0 = 6.5、11.5、16、20、23、26和30 cm），波浪周期（T = 1.46和2.03 s），海滩坡度（m = 1/10和1/15）沉积物平均直径（d_（50）= 0.18、0.26、0.33和0.40 mm），使用规则波在波浪槽中进行海岸侵蚀剖面（风暴剖面）的实验研究，并确定了侵蚀剖面的几何特征根据所得的侵蚀剖面。通过使用线性和非线性回归方法，通过实验数据获得了尺寸和非尺寸方程，并将其与文献中先前开发的方程进行了比较。结果表明，相对于先前开发的方程，实验数据与拟议的方程非常吻合。

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