[S21] Sediment transport

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[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)

Keywords:

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