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Title: Experimental Study on Transportation of Suspended Sediment on Side Basin
Authors: TALCHABHADEL, Rocky
NAKAGAWA, Hajime  kyouindb  KAKEN_id
KAWAIKE, Kenji  kyouindb  KAKEN_id
Keywords: TBM
Side Basin
Sediment Concentration
Issue Date: Jun-2016
Publisher: 京都大学防災研究所
Journal title: 京都大学防災研究所年報. B = Disaster Prevention Research Institute Annuals. B
Volume: 59
Issue: B
Start page: 411
End page: 419
Abstract: Bangladesh is the biggest delta of the world. Construction of numbers of polders is one of the flood resilient approach. But the presence of coastal polders de-linked the flood plain. The siltation in river causes riverbeds to become higher than the adjacent crop lands, and vast area under the polders became permanently water logged rendering large tract of land uncultivable. The current practice is temporarily de-poldering by cutting embankment for selected tidal basin. An attempt has been made to study the phenomena of tidal basin management reviewing some secondary data and processes involved in successfully operated tidal basins of Bangladesh. And preliminary laboratory experiments are carried out to precisely look into the suspended sediment transport at side basin representing tidal basin. With varying outflow discharge and sediment supply, the transport processes are investigated. Sediment transport mainly depends upon direction of flow and magnitude of flow discharge.
Appears in Collections:Vol.59 B

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