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某水库工程位于赣江支流,水库总库容1401×104m3,是一座中型水库,根据地形地质条件,该水库大坝采用土石坝,设置岸边式溢洪道溢流。溢洪道布置于右岸坝端,为开挖式岸边溢洪道,由进水渠、控制段、陡槽段及消能段组成。对应设计洪水位相应下泄流量579m3/s,对应校核洪水位相应下泄流量941m3/s。通过对溢洪道孔口尺寸进行比选,选择合适的结构尺寸;通过对泄槽水面线进行计算,选择合适的边墙高度;通过对泄槽底板的稳定计算,合理选择泄槽基础锚筋的处理范围。通过解决以上几方面的问题,保证了水库溢洪道设计的安全、合理。
A reservoir project is located in the tributaries of the Ganjiang River. The reservoir has a total reservoir capacity of 1401 × 104m3. It is a medium-sized reservoir. According to the topographic and geological conditions, the reservoir dams use earth-rock dams to provide shore-side spillway overflow. The spillway is arranged at the dam bank at the right bank. It is an open-ended spillway and is composed of intake channels, control sections, chute sections and energy dissipation sections. Corresponding design flood discharge flow corresponding to 579m3 / s, corresponding to the corresponding discharge flood flood 941m3 / s. Through choosing the size of the spillway aperture, the suitable structure size is selected, and the appropriate wall height is selected by calculating the water surface of the spillway. Through the calculation of the stability of the spillway bottom plate, range. By solving the above problems, it is ensured that the design of reservoir spillway is safe and reasonable.