RESERVOIR ROUTING THROUGH SUCCESSIVE ROCKFILL DETENTION DAMS

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MOHAMMAD VALI SAMANI J.; HEYDARI M.

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Journal: Journal of Agricultural Science and Technology Year:2007 | Volume:9 | Issue:4 Page(s): 317-326

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Title

RESERVOIR ROUTING THROUGH SUCCESSIVE ROCKFILL DETENTION DAMS

Author(s)

MOHAMMAD VALI SAMANI J. | HEYDARI M. | Issue Writer Certificate

Keywords

NON-DARCY FLOW

RESERVOIR ROUTING

ROCKFILL DAMS

Abstract

Rock has been advantageously employed in hydraulic structures such as ROCKFILL DAMS, gabion weirs and drain works. One rockfill dam applications can be flood control in watershed management. The objectives of building rockfill detention dams are flow storage for a specific period and lowering of the outflow hydrograph. As this type of dam consists of coarse particles, seepage flow will deviate from Darcy’s law and mostly be turbulent.Under the practical conditions of watershed management, it might be necessary to build successive ROCKFILL DAMS, where a final outflow hydrograph with lower peak flows and longer duration is needed. Due to their reciprocal effects, the hydraulics of successive rockfill detention dams are complicated. This paper describes a routing flow model through successive ROCKFILL DAMS considering the storage among them and their effects on each other. In the developed model, the velocity has been introduced to the 1-D continuity equation as an exponential relationship between Reynolds number (Re) and the Darcy-Weisbach friction factor (f). By introducing the inflow hydrograph and rockfill characteristics as input data to the model, the outflow hydrograph can be determined through the storage routing method. The results of the developed model show good agreement with the experimental data collected for this investigation. The results show that the degree of peak reduction of the routed hydrograph depends on the number of successive ROCKFILL DAMS, the distance between them, the average size of the rockfill material, and the dam dimensions.

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APA: Copy

MOHAMMAD VALI SAMANI, J., & HEYDARI, M.. (2007). RESERVOIR ROUTING THROUGH SUCCESSIVE ROCKFILL DETENTION DAMS. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 9(4), 317-326. SID. https://sid.ir/paper/547680/en

Vancouver: Copy

MOHAMMAD VALI SAMANI J., HEYDARI M.. RESERVOIR ROUTING THROUGH SUCCESSIVE ROCKFILL DETENTION DAMS. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2007;9(4):317-326. Available from: https://sid.ir/paper/547680/en

IEEE: Copy

J. MOHAMMAD VALI SAMANI, and M. HEYDARI, “RESERVOIR ROUTING THROUGH SUCCESSIVE ROCKFILL DETENTION DAMS,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 9, no. 4, pp. 317–326, 2007, [Online]. Available: https://sid.ir/paper/547680/en

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