[S21] 流砂

14:30 〜 14:45

[127] RESPONSES OF BED SLOPE RATIO TO BED-LOAD FORMULAS IN OPEN CHANNELS WITH ABRUPTLY WIDENING/NARROWING APPROACHES

*Shiji EGASHIRA¹、Robin Kumar BISWAS²、Daisuke HARADA¹、Kuniaki MIYAMOTO³ (1. International Centre for Water Hazard and Risk Management (ICHARM), Public Works Research Institute (PWRI)、2. Bangladesh Water Development Board (BWDB)、3. University of Tsukuba)

キーワード：

bedload、bedload formula、longitudinal bed profile、specific bed elevation、equilibrium bed slope

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