论文部分内容阅读
1概述南通节制闸建于1959年,是南通市沿江的主要引江工程之一。全闸共23孔,是一座挡潮防洪、引江灌溉、排水除涝和南通主城区换水的综合利用的大型水闸。1999年前闸门一直采用绳鼓启闭机启闭。因原公路桥仅13.5m宽,车辆常堵塞于闸上,为改善公路桥长期处于超荷载运行的不利状况,
1 Overview Nantong control gate was built in 1959, is the Nantong City, one of the main river project along the Yangtze River. The gate a total of 23 holes, is a tidal flood control, water diversion, drainage and waterlogging and Nantong main city of water comprehensive utilization of large sluice. Before 1999 the gate has been opened and closed by rope drum hoist. Due to the fact that the original road bridge is only 13.5m wide, the vehicles are often jammed on the gates. In order to improve the long-term unfavorable condition of the road bridges in overloaded operation,