The coastal erosion suppression apparatus according to the present invention is a structure in which a plurality of plates are arranged in parallel with each other and partially joined between adjacent plates, and a collecting portion forming a plurality of collecting spaces, and protruding upward from the top of the plate It consists of a plurality of resistive film provided with, when the direction from the plate of the front row to the plate of the rear row is referred to as the front-rear direction, and when the longitudinal direction of the plate is the left-right direction, each of the resistive membranes is spaced in the right-left direction Are spaced apart. Each resistive film is provided only on an even number of plates and is made to be aligned in a straight line in the front-rear direction. Each of the resistive films is provided on both the odd-numbered plates and the even-numbered plates, and the resistance films provided on the odd-numbered plates are interspersed between each resistive film provided on the even-numbered plates. The heights of the resistance films provided on the odd-numbered plates and the resistance films provided on the even-numbered rows are different from each other. The coastal erosion suppression device of the present invention has an advantage in that it is possible to effectively suppress coastal erosion by dispersing the strong current by dispersing the resistive film, thereby reducing the risk of being damaged by the current.
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