Investigation of bar parameters occurred by cross-shore sediment transport

Investigation of bar parameters occurred by cross-shore sediment transport

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Cross-shore sediment transport is very important factor 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 cross-shore sediment movement was investigated using a physical model and various offshore bar geometric parameters were determined by the resultant erosion profile.The experiments on cross-shore sediment transport carried out in a laboratory wave channel for initial base slopes of 1/8, 1/10 and viqua-f4 1/15.

Using the regular waves with different deep-water galaxy harmony nc wave steepness generated by a pedal-type wave generator, the geometrical of sediment transport rate and considerable characteristics of beach profiles under storm conditions and bar parameters affecting on-off shore sediment transport are investigated for the beach materials with the medium diameter of d50=0.25, 0.32, 0.

45, 0.62 and 0.80 mm.

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.