EMBANKMENT FAILURE AND SEDIMENTATION OVER THE FLOODPLAIN IN BANGLADESH : FIELD INVESTIGATIONS AND BASIC MODEL EXPERIMENTS

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概要

• 論文の詳細を見る

• Bangladesh, a country of rivers heavily charged with suspended sediments, experiences frequent flood disasters. Every year hundreds of embankments are destroyed or partially damaged by devastating flood waters, resulting in sedimentation over the floodplains. An extensive investigation showed that only ten breaches in eight flood embankments caused sediment deposition on the floodplain of more than 16 million m^3,resulting in damage to 66,700 hectares of agricultural crops. Results of model experiments were compared with field observations. Sediment volume and thickness over the floodplain were shown to increase with the length of the breach in the embankment, sediment inflow, and time. Model sedimentation was greater in the floodplain where there was assumed to be jute fields than as opposed to rice fields.

• 日本自然災害学会の論文

著者

• Okubo Kenji

  愛知県立がんセンター病院 消化器科

• Muramoto Yoshio

  Professor Department Of Civil Engineering Faculty Of Engineering Kyoto University

• Okubo K

  Research Associate Disaster Prevention Research Instutite Kyoto University

• ISLAM Md.

  Guest Scholar, Disaster Prevention Research Institute, Kyoto University Assistant Professor, Institu

• OKUBO Kenji

  Research Associate, Disaster Prevention Research Instutite, Kyoto University

• Islam Md.

  Guest Scholar Disaster Prevention Research Institute Kyoto University Assistant Professor Institute Of Flood Control & Drainage Resaerch Bangladesh University Of Engineering & Technology

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• EMBANKMENT FAILURE AND SEDIMENTATION OVER THE FLOODPLAIN IN BANGLADESH : FIELD INVESTIGATIONS AND BASIC MODEL EXPERIMENTS

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