| Cite this article: | 卞艳丽.黄河下游位山灌区西输沙渠配套改造参数优化研究[J].灌溉排水学报,0,():-. |
| bianyanli.黄河下游位山灌区西输沙渠配套改造参数优化研究[J].灌溉排水学报,0,():-. |
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| Study on Reconstruction Parameters Optimization of West Sediment Canal in Weishan Irrigation Area of Lower Yellow River |
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bianyanli
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Water Diversion and Irrigation Engineering-Technology Research Center, YRIHR
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| Abstract: |
| HEC-RAS Software is used to analyze the hydraulic factors of the west canal with different reconstruction schemes. The empirical formula of non scouring and non silting velocity and sediment carrying capacity is used to analyze the balance state of scouring and silting after the reconstruction of the west sediment canal. The relationship between water level and discharge and the scouring and silting state of the canal with different reconstruction schemes are studied and compared, After the reconstruction of Weishan Sluice, the design parameters of the supporting reconstruction of the main canal (West sediment canal) behind the sluice are as follows: the original trapezoidal section is reconstructed as a compound section, the excavation under the canal is 1.5m, the design width of the shoal is 3m, the gradient of the canal is reconstructed as 1/6000 of the original gradient, and other design parameters of the project remain unchanged. |
| Key words: Weishan Irrigation area; Weishan sluice; west sediment canal; reconstruction |
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