治水システムを考慮した飯塚市街地の都市域氾濫解析と被害軽減効果の検討
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概要
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Numerical simulations of flooding event in the Iizuka-city area in the Onga river basin was performed by a numerical model for rainfall-runoff in watershed and flood inundation process in urban area with flood disaster-reduction system such as sewer network and drainage pump station. The rain-fall runoff was simulated by a distributed hydrological model. The flood flow in rivers and inundation flows on the ground were simulated simultaneously by the 2D free-surface flow model. The dynamic network model for free-surface-pressurized flow combined with the Preissmann slot was used for the sewer network. The effects of flood disaster-reduction system and inundation processes in Iizuka-city under different rainfall patterns were examined based on the numerical results.
- Japan Society of Civil Engineersの論文
Japan Society of Civil Engineers | 論文
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