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The strong wave and flow generated by the run-up of Tohoku-Pacific Ocean Earthquake and Tsunami in 2011 has destroyed many structures. Although the destroyed structures are already started to be restored, the details of how these structural damages occurred have not been clarified. This study aims to consider the structural damages by analyzing the external forces which acted on the destroyed revetments. In order to obtain the external forces acting on the revetment, the tsunami numerical simulation using VOF method was conducted. The calculated water level reached over 10m and the flow velocity was 5-10m/s. It was estimated that these strong flow and pressure caused the destruction of the revetment.

Analysis of the external forces and factors which caused the destruction of the revetments due to the Tohoku-Pacific Ocean Earthquake and Tsunami