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Steel dam gate
Steel dam gate

The large-span bottom shaft drive flap gate is a new type of gate that can complete two-way water blocking, flexible opening and closing, stepless adjustment of gate opening, convenient dispatching, engineering concealment, unobstructed flood prevention and navigation, and improved river scenes. This discussion The result is a major breakthrough in the design of large-span gates. This result has been used in the Suzhou River Estuary Sluice Project in Shanghai. The operating conditions of the past three years indicate that the gate is operating normally and is safe and reliable. The successful use of a 100-meter span bottom shaft drive gate is the first domestic and foreign case. The two independent hydraulic systems for the large-span bottom shaft drive gate complete the gate synchronization control, the support and connection of the ultra-long heavy-duty drive shaft, the production and installation process, the long-term corrosion protection of the underwater metal structure equipment, and the bearing data in the harsh water environment Special discussions were conducted on key technologies such as the bearing structure, the opening and closing process of the large-span flap gate and other key technologies and they were successfully used. The successful use of the large-span bottom-shaft drive gate has made the inductive water diversion of Suzhou Creek from the east to the west and from the west to the north a reality, effectively improving the water quality of the Suzhou Creek and its downstream tributaries, and the gates are steplessly adjustable to complete a harmonious city with people and water. The scene and the huge environmental benefits have laid the foundation for the completion of the overall plan for the North Bund of the Huangpu River in Shanghai, and the formation of the economic and financial center of Shanghai together with the existing Bund. The social benefits are obvious.

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