This paper firstly deals with the two different siltation patterns with siltation accelerating project on sandy beach and muddy beach, and then puts forward the calculation method for siltation of the project on muddy beach based on the behavior of suspension and settlement of fine sediment particles. This method not only can qualitatively explain quite a number of natural phenomena, but also is examined by practical projects. Therefore, this method is of important practical significance in the practice of foreshore reclamation and beach protection as well as siltation acceleration.
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