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假期守一线 只为“世界第一跨”大桥
Su Zhou Ri Bao· 2025-10-08 00:30
这个国庆中秋假期,位于张家港市张皋路附近的张靖皋长江大桥220千伏线路迁改工程现场一片热 火朝天的景象,150余名电力建设者有序地进行组立新塔、放线紧线等工作。 由于新、旧塔间安全距离不足,本次迁改需对涉及的220千伏万扬线双回、柏万线3回、阳万线1 回、阳柏线1回实施大范围停电作业,停电周期为9月29日至11月5日。根据规划,长假期间,供电部门 将率先对220千伏阳万线实施停电,在此期间完成10基铁塔的组立和放线工作。为最大限度降低停电对 用户的影响,国网张家港市供电公司提前与东华能源、梅塞尔气体等重点企业协调,将厂内设备检修计 划与停电窗口同步安排,确保供电服务"零中断"。"在停电施工前,我们完成了35千伏的转供电临时方 案,最大限度缩小影响范围,将方案做到技术最优、时间最短,以确保在有限的停电窗口期内顺利完成 施工节点任务。"该公司发展建设部主任罗杰介绍。 假日期间,电力建设者开启加班加点攻坚模式。10月1日上午10时许,在B6号塔施工现场,8名高 空作业人员正在50多米高的杆塔上进行最后一节塔材的安装。"吊臂再左移一点!""吊臂下不要站 人!"地面监护员徐洪根通过对讲机指挥。只见施工人员双腿悬空,骑跨 ...
张靖皋长江大桥建设迎来新进展
Zhong Guo Xin Wen Wang· 2025-09-28 12:58
江苏省交通工程建设局张靖皋长江大桥建设指挥部现场副指挥长赵峰介绍,张靖皋长江大桥北航道桥 南、北主塔均创新采用门式钢箱架构造,主体高达208米(不含塔冠),配备上下双横梁体系。上横梁由5 个精密节段构成,总重约640吨,外壁板与加劲构件均采用高精焊接技术,对接缝隙严控在10毫米以 内。 中新网南通9月28日电 (记者 朱晓颖)28日,张靖皋长江大桥建设迎来新进展。当日,大桥北航道桥南主 塔上横梁合龙段吊装完成,北航道桥南、北两座主塔主体施工全部完成。 9月28日, 张靖皋长江大桥建设迎来新进展。中新网记者 泱波 摄 张靖皋长江大桥横跨长江主航道,连接江苏省内苏州、泰州和南通三市。该桥分南航道桥、北航道桥及 引桥,其中,南航道桥主跨2300米,创下世界最大跨度桥梁纪录。 9月28日, 张靖皋长江大桥建设迎来新进展。中新网记者 泱波 摄 张靖皋长江大桥建成后,对推进长三角一体化发展、优化长江干线过江通道和区域路网布局、推进跨江 融合发展等具有重要意义。(完) 9月28日, 张靖皋长江大桥建设迎来新进展。中新网记者 泱波 摄 据介绍,此次南主塔吊装的合龙段长宽各8米、高9.1米,重达115吨,在超大型塔吊的精准操控 ...
水陆空齐头并进,江苏“超级工程”彰显速度
Jing Ji Guan Cha Wang· 2025-09-18 05:57
经济观察网据央视新闻消息,江苏省近年来加快推进水陆空基础设施建设,多个标志性"超级工程"展现 了江苏速度。在长江泰州和常州段,常泰长江大桥自2019年开建,预计2025年完工,将大幅缩短两地通 行时间。另外,张靖皋长江大桥和海太长江隧道也在建设中,后者是世界最长公路水下盾构隧道。这些 工程为沿江两岸群众出行提供便利,推动了跨江城市群的融合与长三角一体化进程。目前江苏已建成20 条过江通道,多个项目正在推进中,助力区域经济高质量发展。 ...
张靖皋长江大桥南航道桥南主塔突破300米
新华社图文 9月14日拍摄的张靖皋长江大桥南航道桥南主塔吊装施工现场。9月14日,由中交二航局施工的张靖皋长 江大桥南航道桥南主塔顺利完成第26个节段吊装,主塔升至300米的新高度。张靖皋长江大桥连接江苏 省苏州、泰州和南通,跨江段全长7859米,设置南、北两座航道桥及南中北三段引桥。 ...
记者手记:一座长江大桥的拔节“生长”
Xin Hua She· 2025-07-03 08:26
Core Viewpoint - The Zhang Jinggao Yangtze River Bridge is a significant infrastructure project aimed at enhancing connectivity in the Yangtze River Delta region, showcasing advanced engineering and innovative technologies [1][5]. Group 1: Project Overview - The bridge, approximately 29.85 kilometers long, is a key project during China's 14th Five-Year Plan, expected to be completed by the end of 2028 [1]. - The construction of the bridge began with a groundbreaking ceremony on June 28, 2022, and the main engineering work commenced in October of the same year [1]. Group 2: Engineering Innovations - The bridge features six world records, including the longest span for a suspension bridge at 2,300 meters and the highest suspension bridge tower [2]. - Innovative technologies include a self-balancing cable force system, ultra-high-strength main cables, and a digital bridge concept that integrates smart monitoring and maintenance systems [2][4]. Group 3: Environmental Impact - The application of the self-balancing cable force technology is projected to save 15,700 cubic meters of concrete and 12,560 tons of steel, reducing carbon emissions by over 80,000 tons [2]. Group 4: Operational Safety - The bridge will utilize sensors to collect real-time data on environmental conditions and structural responses, aiding in scientific decision-making for its operation and maintenance [3]. Group 5: Strategic Importance - The bridge is a crucial initiative for the integrated development of the Yangtze River Delta and the Yangtze Economic Belt, aiming to become a model for transportation infrastructure and bridge technology innovation in China [5].
张靖皋长江大桥进入上塔柱施工阶段
Su Zhou Ri Bao· 2025-05-26 22:57
Group 1 - The Zhang Jinggao Yangtze River Bridge has successfully completed the installation of the middle crossbeam at a height of 220 meters, marking the transition to the upper tower column construction phase [1][2] - The middle crossbeam, weighing 270 tons and measuring 9.5 meters in length, 9.9 meters in width, and between 13 to 14.7 meters in height, was designed with a streamlined shape and required precise alignment during installation [1][2] - The main tower of the bridge is designed to reach a total height of 350 meters, equivalent to 125 stories, and consists of three crossbeams, with the completed middle crossbeam connecting the upstream and downstream tower columns [1][2] Group 2 - Advanced technologies such as BIM simulation and force verification were utilized to ensure the precise installation of the crossbeam, with strict requirements for width and weld seam dimensions [2] - The bridge employs a world-first steel box-steel pipe concrete constraint combination system, reducing the self-weight of the tower by 50% while enhancing its load-bearing capacity [2] - The construction of the main tower is divided into 30 segments, with the installation of the 20th segment already completed, raising the height to over 220 meters, and the tower is expected to be topped by the end of this year [3] Group 3 - The Zhang Jinggao Yangtze River Bridge is anticipated to be completed by 2028, significantly shortening travel time between the cities of Zhangjiagang, Jingjiang, and Rugao, thereby promoting regional integration in the Yangtze River Delta [3]
“一代人时间,从学徒到大师:中国重新定义土木工程极限”
Guan Cha Zhe Wang· 2025-05-26 15:12
Core Viewpoint - The article highlights China's rapid advancements in bridge construction, projecting that by 2030, it will achieve significant milestones including the world's longest suspension bridge and the highest bridge, redefining civil engineering limits [1][2]. Group 1: Achievements in Bridge Construction - By 2030, China is expected to have the world's longest suspension bridge, the highest bridge, and various record-breaking cable-stayed bridges [1]. - The Changtai Yangtze River Bridge, set to open this year, will become the world's largest cable-stayed bridge with a main span of 1208 meters, surpassing the current record of 1104 meters held by the Russky Island Bridge [2][4]. - The Zhangjingao Yangtze River Bridge, scheduled for completion in 2028, will feature a main span of 2300 meters, making it the world's largest suspension bridge [4][6]. Group 2: Innovative Engineering Techniques - Advanced surveying methods, modeling, and engineering technologies, including breakthroughs in material science, are driving China's bridge construction [1]. - The rapid development of artificial intelligence (AI) and the use of automated construction equipment are expected to enhance safety and efficiency in bridge building [1]. Group 3: Notable Bridge Projects - The Danqing Grand Bridge, measuring 164.8 kilometers, holds the Guinness World Record for the longest bridge [9][11]. - The Xiyuanmen Railway and Highway Bridge in Zhejiang will become the world's largest combined rail and road bridge upon completion [12]. - The Tian'e Longtan Grand Bridge in Guangxi is currently the largest arch bridge in the world, with a main span of 600 meters, surpassing the previous record by 155 meters [13][15]. Group 4: Future Prospects - The Lion's Ocean Bridge in Guangdong is expected to become the world's first double-deck suspension bridge exceeding 2000 meters in main span [18]. - The Guanyinsi Yangtze River Bridge in Hubei is projected to become the second-largest cable-stayed bridge upon its completion in 2026 [21][22]. - The Hong Kong-Zhuhai-Macao Bridge, completed in 2018, is the longest sea-crossing bridge globally, significantly reducing travel time between the regions [22][24].
承受张靖皋长江大桥主缆拉力 世界最大复合地连墙锚碇“填芯”收官
Yang Zi Wan Bao Wang· 2025-05-07 07:37
Core Insights - The completion of the core foundation construction for the Zhang Jinggao Yangtze River Bridge marks a significant milestone in the project, with the final C30 concrete poured into the foundation pit [1] - The bridge, which will feature the world's largest span for a suspension bridge, is designed to enhance connectivity in the Yangtze River Economic Belt and the Yangtze River Delta integration [6] Construction Details - The northern anchor of the bridge, located on the island of Mazhou, measures 118.05 meters in length and 75.05 meters in width, and has been constructed to withstand over one million tons of tensile force [3] - A total of 110,000 cubic meters of concrete has been poured, equivalent to filling 44 standard swimming pools, using an innovative three-layer pouring technique [3] - The project faced significant challenges, including material transportation issues, adverse weather conditions, and the need for technical innovations [3][5] Project Management Strategies - The project team implemented a 24-hour material response mechanism to ensure efficient logistics and quality control [5] - Collaboration with meteorological and emergency management departments allowed the team to optimize construction schedules based on weather conditions [5] - Technological advancements included transforming existing platforms for multi-functional use and upgrading traditional methods to improve efficiency in concrete pouring [5] Future Impact - Upon completion, the bridge will reduce travel time from Zhangjiagang to Rugao from one hour to just 20 minutes, significantly improving regional connectivity [6] - The bridge is part of the "14th Five-Year Plan" key river crossing projects, linking major highways and enhancing the transportation network across the region [6]
一季度全省交通重大项目建设投资创新高
Xin Hua Ri Bao· 2025-05-06 23:18
Group 1: Infrastructure Investment - In the first quarter, Jiangsu province completed a total transportation fixed asset investment of 564.3 billion yuan, representing a year-on-year increase of 5.8%, which accounts for 24.5% of the annual investment plan, marking the highest level for the same period in history [1] - The Changtai Yangtze River Bridge, a major project, completed an investment of 1.1 billion yuan in the first quarter, which is 60% of its annual investment plan [2] - The Zhangjinggao Yangtze River Bridge achieved an investment of 7.34 million yuan in the first quarter, with construction progressing rapidly through technological innovation [3] Group 2: Tunnel and Bridge Construction - The Jiangyin-Jingjiang Yangtze River Tunnel, currently the highest water pressure shield tunnel in China, completed its shield tunneling and is advancing with the construction of the main structure [3] - The Haitai Yangtze River Tunnel is progressing with the right line shield machine completing 81 rings of advancement, while the left line assembly is 40% complete [3] - The expansion of the Jiangsu highway network is underway, with significant progress in the Changshen, Huwu, Xiyi, and Yangli highways, with over 10 billion yuan invested in the first quarter [4][5] Group 3: Railway Development - The North Jiangsu High-Speed Railway construction is progressing, with the main tower of the bridge surpassing 100 meters in height [6] - The Nanjing metropolitan area intercity railway construction is also advancing, with various structural components nearing completion [6] - In the first quarter, the railway projects in Jiangsu achieved multiple milestones, with the Nanjing-Huai'an intercity railway and the North Jiangsu High-Speed Railway showing significant progress [7]
交通固定资产投资规模高位运行,多项重大工程进入关键节点
Di Yi Cai Jing· 2025-05-06 12:13
Core Insights - The Ministry of Transport has planned 20 major projects, including the National Comprehensive Transportation Network and the Yangtze River Economic Belt, to enhance regional economic quality and reduce logistics costs [1][6] - As of May, at least 20 major transportation projects have reached critical stages, indicating significant progress in infrastructure development [1][2] Investment and Economic Impact - In the first quarter, the national fixed asset investment in transportation reached 675.2 billion yuan, maintaining a high level [1][4] - The ongoing projects are expected to facilitate the flow of resources across regions and support the integration of the Yangtze River Delta [2][6] Project Progress - The Zhang Jinggao Yangtze River Bridge, with a total construction period of 6 years and a budget of 31.166 billion yuan, is progressing well, with over half of the north anchor block construction completed [2][6] - The Lion Rock Bridge, featuring the world's largest anchor block, is also on track, with key installations expected to be completed soon [2][6] - The G95 Capital Region Ring Expressway and other significant projects are entering critical phases, with various construction milestones being achieved [5][6] Future Developments - The Ministry of Transport aims to accelerate the construction of major projects, including the new Tibet Railway and the new airport in the Pearl River Delta, with plans for commencement within the year [6]