지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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In this study, sediment pass-through (SPT) from the Sangju Weir and Gumi Weir in the Nakdong River is analyzed numerically using CCHE2D. Sediment delivery is analyzed to predict the sediment discharge rate in the Sangju Weir and Gumi Weir. The sediment discharge from the Sanju Weir is 4,381 tons in the inflow of $3,857m^3/s$, which are 2 year frequency discharge, for 48 hours, and the sediment discharge is 2,766 tons in the inflow of $1,500m^3/s$. The maximum sediment delivery occurs in the immediate downstream of the weir. The sediment discharge from the Gumi Weir is 3,216 tons in the inflow of $5,400m^3/s$, which are 2 year frequency discharge, for 48 hours, and the sediment discharge is 73 tons in the inflow of $3,857m^3/s$. The maximum sediment delivery occurs in the weir. Therefore, the effectiveness of sediment delivery is high in the condition of the 2 year frequency discharge and the gate in the weirs fully are opened.
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참고문헌 (22)
참고문헌 신청
Ackers, P. / 1973 / Sediment transport new approach and analysis / Journal of Hydraulic Engineering Division, American Society of Civil Engineers 99(11):2041~2060
Chang, H. H. / 1996 / Numerical modeling for sediment-pass-through reservoirs / American Society of Civil Engineers 122(7):381~388
Einstein, H. A. / 1950 / The Bed Load Function for Sediment Transportation in Open Channel Flows
Engelund, F. / 1967 / A monograph on sediment transport to alluvial streams, Copenhagen / Teknik Vorlag
Garbrecht, J. / 1995 / A sediment transport capacity formulation for application to large channel networks / Journal of Soil and Water Conservation 50(5):527~529
Chang, H. H. / 1996 / Numerical modeling for sediment-pass-through reservoirs / American Society of Civil Engineers 122(7):381~388
Einstein, H. A. / 1950 / The Bed Load Function for Sediment Transportation in Open Channel Flows
Engelund, F. / 1967 / A monograph on sediment transport to alluvial streams, Copenhagen / Teknik Vorlag
Garbrecht, J. / 1995 / A sediment transport capacity formulation for application to large channel networks / Journal of Soil and Water Conservation 50(5):527~529
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