桥，是联通山海的纽带，是擘画通途的勋章。在长江三角洲，一支桥梁建设"国家队"中交第二公路工程局有限公司以匠心为笔，以汗水为墨，在跨江融通 征途中，在"交通强国"时代答卷上，用一座座震撼的大桥，打破地理限制，梳通交通脉络，为激活区域发展注入新的动能。 长江，从青藏高原走来，越崇山峻岭，纳百川（301667）千湖，一路向东，奔腾入海。长江江苏段400余公里的江面上，既矗立着50多年前建成的"争气 桥"南京长江大桥，又有着"世界第一跨"张靖皋长江大桥，从独自自主建造到多项"世界第一"集一身，半个多世纪的跨越史，书写着一代代建桥人守正创 新的不朽诗篇。 特大桥梁是二公局的企业名片之一，他们始终锚定"高新特难"桥梁建设，通过建设"市场形象佳、技术含量高、经营业绩高、顾客满意度好"的优质工程， 巩固桥梁品牌优势。近年来，先后在江苏段参与建造了润扬长江公路大桥、苏通长江公路大桥、泰州大桥、栖霞山长江大桥、江心洲长江大桥、上坝夹江 大桥、宁扬长江大桥、新生圩长江大桥等一大批世界领先的品牌桥梁工程。2020年，中交二公局全资子公司中交二公局华东建设有限公司，一个中交集 团"特大桥"专业领航企业落户南京，用硬核创新、顶尖技术和精 ...

南京新生圩长江大桥，国内第一、世界第三大跨度单跨吊钢箱梁悬索桥，11月26日正式通车运 营； 沪渝蓉（北沿江）高速铁路通泰扬特大桥，全长172.9公里的世界在建最长桥梁，截至11月底，大 桥上部结构施工已完成90%； 作为连接南京、合肥两大都市圈的关键枢纽，马鞍山长江公铁大桥将让中西部地区与长三角核心区 的通行效率大幅提升，人才、技术、资本等发展要素得以更顺畅地流动。"这座桥不只是物理通道，更 是区域协同的'战略引擎'。"马鞍山市发改委相关负责人坦言，它让马鞍山从"跨江城市"向"跨江枢纽"跃 升，缩短了城市间的距离，也让区域发展更平衡。 马鞍山长江公铁大桥，世界首座双主跨超千米的三塔斜拉桥、世界最大跨度三塔斜拉桥、世界最长 联钢桁梁斜拉桥，12月3日主汊航道桥实现轨通…… 拉近了南京与扬州、镇江等城市时空距离的南京新生圩长江大桥同样实力不俗，是国内第一、世界 第三大跨度单跨吊钢箱梁悬索桥，主缆采用2100兆帕级锌铝合金高强钢丝，强度达到国内悬索桥顶尖 水平。参与该项目建设的中铁宝桥（扬州）有限公司，负责主桥钢箱梁及附属结构在内的2.8万吨钢结 构生产制造任务，该团队攻克了多项焊接"黑科技"。"为破解行业共性难 ...

Core Insights - Transportation is identified as the "lifeblood" of regional development and a key engine for the high-quality advancement of the Yangtze River Delta integration [2] Group 1: Infrastructure Developments - The Jiaxing Nanhu Airport has received its operating license, becoming the 9th transport airport in Zhejiang and the 268th in China, with a capacity for 4 million passengers and 123,000 tons of international cargo annually [3] - The airport's 1-hour flight radius covers 325 million people, while the 2-hour radius encompasses 90% of China's GDP, and the 3-hour radius reaches 1.5 billion people globally [3] - The airport is expected to bring significant development benefits, including the establishment of the YTO Express Eastern Tian Di Port project, which aims to create a global air logistics hub and a multi-modal transport center [3] Group 2: Regional Transportation Projects - Major transportation projects in Jiaxing, such as the second phase of National Highway 524 and the Hangzhou-Shenzhen waterway renovation, have commenced, with the second phase of National Highway 524 setting records for speed, investment, and funding [4] - The expansion of the Zhajiasu Expressway, which began construction in September 2022, will enhance east-west connectivity by opening up 12 new roads [4] Group 3: General Aviation Development - The Hefei Feixi General Airport project has entered a substantive phase with a cooperation agreement signed, aimed at enhancing the general aviation transport network in Anhui province [5] - The airport is designed to support medium-sized aircraft and will bolster the low-altitude economy and general aviation industry, which are seen as strategic emerging industries [5] - The project is expected to facilitate deep cooperation in various fields, including aviation logistics and emergency rescue, contributing to the high-quality development of Anhui's low-altitude economy [5] Group 4: Bridge and Connectivity Enhancements - The Nanjing Xinshengxu Yangtze River Bridge has officially opened, marking the third river crossing completed during the 14th Five-Year Plan period [6] - Nanjing has built 15 river crossings, with the new bridge significantly reducing travel time from 1 hour to under 10 minutes between the main city and the Jiangbei New Area [6] - The bridge is expected to enhance the efficiency of transportation for research institutions and high-end manufacturing products, thereby fostering innovation and economic growth [6]

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]

Core Viewpoint - The opening of the new Xinshengwei Yangtze River Bridge significantly enhances connectivity in Nanjing, reducing travel time across the river from one hour to ten minutes, and marks a shift from a "separated" to a "integrated" urban landscape [1][2]. Group 1: Infrastructure Development - The Xinshengwei Yangtze River Bridge is the sixth free river crossing in Nanjing, contributing to a total of 15 river crossings in the city, which facilitates urban integration [1]. - The bridge spans approximately 13.17 kilometers and serves as a crucial hub connecting Qixia District, Jiangbei New Area, and Liuhe District [1]. - The bridge is part of Nanjing's "high-speed road system" and helps alleviate traffic pressure on existing routes while promoting development in surrounding areas [2]. Group 2: Engineering and Technology - The bridge features a main span of 1,760 meters, making it the first in China and the third in the world of its kind, showcasing advanced engineering techniques [2]. - The construction involved overcoming several world-class technical challenges, providing a valuable "Nanjing solution" for similar bridge projects [2]. Group 3: Future Developments - Four additional river crossings are currently under construction in the Nanjing section of the Yangtze River, with key project milestones being achieved [3]. - The focus for the "14th Five-Year Plan" includes the development of multiple railway and metro river crossings, aiming to enhance the connectivity of the urban transport network [3]. - By the end of the "14th Five-Year Plan," the total number of river crossings in Nanjing is expected to reach 15 (17 routes), creating a more balanced, three-dimensional, and convenient cross-river transportation system [3].

Core Points - The Nanjing Xinshengwei Yangtze River Bridge officially opened on November 26, marking a significant improvement in commuting efficiency, allowing for "minute-level" travel times between key areas in Nanjing [1] - The bridge spans 13.17 kilometers with a mainline design speed of 80 km/h and features six lanes in both directions, facilitating free passage [1] - The bridge connects major districts including Qixia, Jiangbei New Area, and the Economic Development Zone, alleviating traffic pressure on surrounding highways [1] Infrastructure Development - The bridge is designed as a suspension bridge with a main span of 1,760 meters, setting a record for similar bridges in China, and is capable of accommodating 50,000-ton vessels, enhancing shipping safety and efficiency [2] - Future plans for Nanjing's cross-river transportation system include multiple projects such as the Shangyuanmen Railway and Metro Line 4, aiming to establish a more balanced and convenient transportation network by the end of the 14th Five-Year Plan [2] - Currently, Jiangsu Province has completed 21 cross-river passages and has 8 under construction, with Nanjing having 6 free urban road crossings [2] Economic Impact - The bridge is expected to enhance logistics efficiency and business interactions, transforming regional competitive advantages into tangible benefits for local industries [1] - It will facilitate industrial collaboration between the southern and northern banks, promoting sectors such as new materials, electronic information, and advanced manufacturing [1] - The bridge will contribute to the formation of an innovative industrial network, linking various manufacturing corridors and technology innovation zones [1]

Core Points - The Nanjing Xinxingwei Yangtze River Bridge officially opened on November 26, after over five years of construction [1][3] - The bridge serves as a crucial hub connecting Nanjing's main urban area with the Jiangbei New District, featuring a total length of approximately 13.17 kilometers and a main span of 1760 meters [1][3] Infrastructure and Economic Impact - The bridge is designed for a mainline speed of 80 km/h and consists of six lanes in both directions, enhancing transportation efficiency [1][3] - The innovative double-layer reinforcement technology was employed during construction to ensure the safety of the deep foundation pits [3] - Post-opening, travel time from Nanjing's main city to Jiangbei New District will be reduced from one hour to under ten minutes, significantly improving the Yangtze River's crossing capacity and regional road network [3]

Core Points - The Nanjing Xinxin River Yangtze Bridge has been completed and opened to traffic on November 26, 2023, marking a significant infrastructure development in Nanjing [1][3][5] Group 1: Project Overview - The bridge is a major project during the "14th Five-Year Plan" period for Nanjing's urban development, with a total length of approximately 13.17 kilometers and a design speed of 80 km/h, featuring six lanes in both directions [2] - The main span of the bridge is a single-span suspension bridge with a main span of 1760 meters, making it the largest of its kind in China and the third largest in the world [2] - The main tower of the bridge stands at 263.8 meters, equivalent to an 88-story building, and features a unique "N" shaped steel structure design inspired by the pinyin initial of Nanjing [2] Group 2: Construction Techniques - The construction team employed new technologies, including the dual-layer SMC method for anchorage wall reinforcement in large-span suspension bridges [2] - A movable soil excavation platform was developed to enhance efficiency by allowing excavation equipment to operate closer to the edge of the foundation pit [2] - The project also introduced a modular new process for concrete filling in deep foundation pits [2] Group 3: Impact on Transportation - The bridge establishes a rapid transit route between Nanjing's Jiangbei New Area and Qixia District, reducing travel time from one hour to just ten minutes between Qixia Avenue and Jiangbei Avenue [4] - This development is expected to significantly enhance the traffic capacity of the Yangtze River crossing in the lower reaches [4]

Core Insights - The opening of the Nanjing Xinshewei Yangtze River Bridge marks a significant milestone in the city's transportation infrastructure, being the third major river crossing completed during the 14th Five-Year Plan, enhancing the urban traffic layout and promoting regional integration [4][7][20]. Transportation Infrastructure Development - The Nanjing Xinshewei Yangtze River Bridge, with a main span of 1,760 meters, is recognized as the "first in China and third in the world" for its type, contributing to the city's goal of becoming a transportation hub [4][20]. - The bridge, along with the Yanziji Yangtze River Tunnel and the upcoming Ningyang Yangtze River Bridge, forms a network of crossings that significantly reduces travel time across the river, facilitating a more integrated urban experience [7][10][11]. Economic and Social Impact - The new bridge and tunnels have transformed commuting patterns, reducing travel times from 30 minutes to as little as 10 minutes for residents, thus enhancing the quality of life and economic opportunities in the region [10][11]. - The infrastructure improvements are expected to stimulate investment opportunities along the routes, as logistics efficiency increases for businesses [8][10]. Regional Integration and Urban Development - The development of these crossings is pivotal for the integration of the Nanjing metropolitan area, allowing for a more cohesive urban structure and promoting a "one-hour commuting circle" among Nanjing, Yangzhou, and surrounding areas [13][21]. - The transportation network is seen as a strategic link that not only connects cities but also integrates industrial chains, enhancing collaboration and economic growth across the region [21][22]. Future Plans and Projections - By the end of the 14th Five-Year Plan, Nanjing aims to have 15 river crossings, further solidifying its position as a key transportation hub and supporting its goal of becoming a globally influential center for industrial and technological innovation [17][20].

Core Viewpoint - The recent construction of bridges in China highlights the country's innovative capabilities and serves as a reflection of its economic and social development, facilitating connectivity and market integration across regions [1][2][3]. Group 1: Economic Impact - The completion of major bridges has significantly reduced travel times and improved logistics, such as the 常泰长江大桥, which cut travel time from 80 minutes to 20 minutes, enhancing economic integration between regions [2]. - The 港珠澳大桥 has become a vital artery for the Greater Bay Area, with cumulative import and export values exceeding 1 trillion yuan, showcasing the bridge's role in boosting economic activity [2]. - The construction of bridges is transforming remote areas, enabling them to participate in national development and share in modernization efforts, as seen with the completion of the 乔马桥 in Yunnan [3]. Group 2: Technological Innovation - China's bridge construction achievements, such as the 深中大桥 and 矮寨大桥, demonstrate significant technological advancements and the establishment of a comprehensive industry standard system [1]. - The ongoing development of bridges reflects a commitment to overcoming technical challenges and enhancing self-sufficiency in the construction industry, aligning with national strategic needs [1]. Group 3: Social Development - The construction of bridges is pivotal in addressing regional disparities in development, allowing previously isolated communities to access education and economic opportunities, as illustrated by the impact of the 乔马桥 on local residents [3]. - The narrative of bridge construction embodies the value of inclusivity in China's development strategy, ensuring that no region is left behind in the pursuit of modernization [3].