In Japan, levee breaks and floods occur frequently due to large typhoons and torrential rains, resulting in
devastating damage throughout the country. Although research on the flow for breakwaters and bends has been
conducted, there has been no research on the dike model using earthen levee.
Therefore, in this study, we examined the situation of levee breakage when a levee model was installed around
the curved part of the river channel, mainly for earthy levee with a lot of sand. Furthermore, the flow
mechanism was clarified by experiments and numerical analysis in the non-overflow condition.
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