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南水北调中线工程总干渠穿越汤河的建筑物轴线受南水北调中线工程总干渠中心线的制约,同时又必须依据建筑物所在地特殊的地形、地质条件来选择合适的总干渠中心线位置,根据总干渠穿越汤河的位置布置了3条线路:东线、西线和中线进行分析比较,选定中线为总干渠中心线位置,总干渠穿越汤河建筑物型式为涵洞式渡槽。
The central axis of the main canal of the South-to-North Water Diversion Project passes through the center of the main canal of the Middle Route of the South-to-North Water Diversion Project and must be located at the centerline of the general main canal according to the special terrain and geological conditions of the area where the building is located. The layout of the Tanghe River has three lines: the east line, the west line and the middle line. The selected middle line is the centerline of the main trunk channel and the main canal passes through the Tanghe building as the culvert aqueduct.