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水力樞紐的混凝土结构物佈置在高出河流平水位1—2公尺的寬闊的灘地內。溢流坝和水电站厂房的基坑(在以下的叙述中称为大基坑)为800×500公尺,沿結構物軸线伸展,位于滩地的岸边部分。船閘的基坑(以下称为小基坑)为
The hydraulic structure of the concrete structure is arranged in a flat beach 1-2 meters above the water level. The foundation pit (in the following description, referred to as a large foundation pit) of the spillway dam and the hydropower station plant is 800 × 500 meters and extends along the axis of the structure, on the bank of the beach. The foundation pit of a ship lock (hereinafter referred to as a small foundation pit) is