The present invention is a wave-making basin provided with an elevating plate (20) which is a vertical plate structure traversing between both side walls (11) of the basin and of which a bottom part is in contact with a top surface of the basin bottom (12) and both side ends are in contact with the side walls (11) wherein on the bottom part of the elevating plate (20), a guiding plate (30) having a curved surface (31) is attached thereon, such that when the elevating plate (20) elevates, the test water stored behind the elevating plate (20) discharges, generates, and delivers solitary wave. Through the invention, the invention is able to experimentally reproduce a solitary wave, and not only can it observe a movement of the solitary wave itself; but also enables to thoroughly observe and precisely inspect an effect of which a solitary wave is able to occur to a landward model (17).
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