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According to the results of model test in a wave channel, some properties of irregular waves reflected by a vertical wall and the scouring patterns of the sand bottom in front of the wall are discussed in the present paper.The main conclusions of the action of regular standing waves on sand beds in front of a vertical wall are also mentioned briefly for comparison. It has been shown by analysis that the ultimate scouring depth could be on the safe side if the significant wave height is taken as the equivalent wave height in the regular wave test.
According to the results of model test in a wave channel, some properties of irregular waves reflected by a vertical wall and the scouring patterns of the sand bottom in the front of the wall are discussed in the present paper. The main conclusions of the action of regular standing waves on sand beds in front of a vertical wall are also been shown for analysis that the ultimate scouring depth could be on the safe side if the significant wave height is taken as the equivalent wave height in the regular wave test.