拥江发展再添“黄金动脉” 南京新生圩长江大桥昨日通车

Core Points - The Nanjing Xinxin River Yangtze Bridge officially opened on November 26, significantly reducing travel time across the river to under 10 minutes, marking a key development in Nanjing's urban infrastructure [1][3] - The bridge, part of the Nanjing urban planning, is a crucial connection between the main city and the Jiangbei New Area, enhancing regional economic collaboration [1][3] Summary by Sections Construction and Engineering Achievements - The bridge is described as a culmination of modern engineering technology, overcoming several world-class challenges and providing a "Nanjing solution" for similar bridge constructions [2] - Innovations include the development of the highest strength 2100Mpa main cable steel wire in China, saving 7,300 tons of steel, and ensuring safety under extreme conditions such as wind loads and earthquakes [2] - Research on the anchorage foundation's soil stress mechanisms improved the foundation's bearing efficiency by 30% [2] - The bridge features enhanced wind resistance measures and a fire protection system for the cable system, significantly improving safety and comfort for vehicles [2] Traffic Regulations and Functionality - From the day of opening, the bridge prohibits hazardous materials transport vehicles, medium and large trucks, motorcycles, non-motorized vehicles, and pedestrians, ensuring traffic safety and defining the bridge's primary function for passenger transport and light logistics [2] - This regulation aligns with the bridge's role in supporting regional economic development and passenger services [2] Impact on Regional Connectivity - The bridge's opening is expected to enhance the Yangtze River's crossing capacity and improve the regional road network, marking a new chapter in Nanjing's development strategy during the 14th Five-Year Plan [3]