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一、工程设计概况 黄河下游放淤固堤工程设计水平年为2000年,防洪标准为防御花园口洪峰流量22000m3/s,相应高村、孙口站的设防流量分别为20000m3/s、17500m3/s。 根据大堤概化断面,淤区顶部高程为堤背侧浸润线出逸点高程加1.5m,浸润线坡度为:险工段1:10,平工段1:8。2001年以来,凡新设计的放淤固堤工程,不论平工段、险工段,淤
I. Engineering Design The desilting solidification embankment project in the lower reaches of the Yellow River has a design year of 2000 years. The flood control standard is to prevent the flood peak flow of Huayuankou to 22000m3 / s, and the fortification flows of the corresponding high village and Sunkou station are 20000m3 / s and 17500m3 / s, respectively. According to the general section of the embankment, the elevation at the top of the siltation area is 1.5m above the exit point of the infiltration line at the ditch on the dyke, and the slope of the infiltration line is 1:10 for the dangerous section and 1: 8 for the flat section. Since 2001, Dike project, regardless of the flat section, insurance section, silt