Abstract

To design and construct land structures which can withstand earthquake-induced tsunami, it is most essential to evaluate tsunami wave force exerting on the structures quantitatively. This study, therefore, proposes the estimation method of tsunami wave pressure acting on a land structure using inundation depth and horizontal velocity at the front of the structure, which were calculated by a two-dimensional depth-integrated flow model. The comparison between the numerical and experimental results revealed that the proposed method could reasonably reproduce the vertical distribution of the maximum tsunami wave pressure exerting on a land structure.

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