（来源：中国工业报） 中国工业报记者张永杰 2024年，中国悬索桥装置行业以总产值487.6亿元、同比增长11.3%的亮眼业绩，进一步巩固全球领先地位。主跨超1000米的特大型悬索桥数量达19座，位 居世界首位，行业国产化率持续提升，高端化、智能化、绿色化转型步伐明显加快。 从市场结构来看，结构件(主要为钢结构)制造环节贡献产值215.8亿元，占比44.3%；索具系统(含主缆、吊索、索鞍、索夹、锚固装置)实现产值156.2亿 元，占32.0%，是技术门槛最高、附加值最大的细分领域；桥塔与基础工程相关装置及配套监测维护系统分别占比18.3%和5.4%。 规模引领，创新驱动产业升级 从世界大跨径悬索桥排名看，中国已占据绝对主导地位。目前全球主跨前11位的悬索桥中，中国占9座，其中张靖皋长江大桥南航道桥、苏通第二过江通 道主跨均达2300米，并列世界第一。狮子洋大桥主跨2180米，采用双层16车道设计，创下车道规模纪录。 从交通运输统计数据看，2024年全国大桥数量达19.14万座、特大桥1.13万座，分别较上年增长7.71%和10.65%，反映路网加密与工程难度同步提升的发展 趋势。 据行业研究报告预测，2025 ...

Core Insights - China has constructed over 50,000 kilometers of railway and highway tunnels, making it the country with the largest number and scale of tunnels in the world [1][2] - The advancements in tunnel engineering technology, particularly in shield tunneling machines, have significantly contributed to China's rapid development in this sector [1][2] - China is transitioning from a follower to a leader in tunnel engineering technology, as evidenced by the inclusion of nine Chinese projects in the global list of 50 iconic tunnel and underground engineering projects [2] Group 1: Tunnel Engineering Achievements - The construction of world-class projects such as the Hong Kong-Zhuhai-Macao Bridge underwater tunnel and the Shenzhen-Zhongshan Channel highlights China's engineering capabilities [1] - The Jiaozhou Bay Second Undersea Tunnel is noted as the largest underwater highway tunnel, while the Ningbo-Zhoushan High-Speed Rail undersea tunnel is recognized as the longest [1][2] - The successful completion of these projects signifies China's engineering technology as a hallmark of high-quality development [1] Group 2: Bridge Engineering Innovations - China has also made significant strides in bridge engineering, with the Huajiang Gorge Bridge being recognized as the highest bridge in the world at a vertical height of 625 meters [2] - The Danyang-Kunshan Grand Bridge, measuring 164.85 kilometers, holds the Guinness World Record for the longest bridge [2] - These achievements reflect the high technical content and innovation in China's infrastructure development [2] Group 3: Future Directions - The new generation of information technology is driving the digitalization and intelligence of tunnel construction [3] - Future projects will focus on ultra-deep, ultra-long, and ultra-complex tunnel and bridge engineering, emphasizing innovation in smart construction technologies [3] - The integration of artificial intelligence with the construction industry is expected to enhance operational efficiency and project management [3]

Core Viewpoint - The successful completion of the East China Sea Bridge pier scour protection project marks a new stage in China's offshore bridge pile foundation protection technology, providing a solid guarantee for the long-term operational safety of the bridge [1][5]. Group 1: Project Overview - The East China Sea Bridge, spanning approximately 32.5 kilometers, has 205 bridge pier foundations that required systematic protection against excessive scour [1][2]. - The project team overcame various technical challenges, including complex underwater geology and high-precision underwater filling, and developed specialized equipment for scour protection [1][3]. Group 2: Technical Innovations - The project involved extensive research on scour mechanisms, protection design, and specialized construction equipment, leading to innovative protection solutions such as "bagged gravel, bagged concrete, and edge soft fabric protection" [3][5]. - A new underwater monitoring system was developed to ensure precise placement of materials, reducing placement errors to within 10 centimeters and enhancing safety during operations [3][4]. Group 3: Project Achievements - The project was completed 25 days ahead of schedule, demonstrating efficient resource allocation and management [4]. - The successful implementation of the project has provided a replicable "Chinese solution" for coastal bridge scour protection, contributing to the development of a systematic technology framework [5][6]. Group 4: Future Prospects - The project team aims to promote successful experiences and apply related technologies in more coastal bridges, offshore wind power, and other marine engineering projects, driving equipment manufacturing and industry upgrades [6].

Core Viewpoint - The successful delivery of the 1300-ton full rotation crane ship "Tiejian Daqiao No. 2" marks a significant advancement in bridge construction capabilities in China, particularly for projects like the Qinglongmen Grand Bridge in Zhoushan, Zhejiang [1] Group 1: Company Developments - China Railway Construction Bridge Engineering Bureau Group has added a new asset to its fleet with the delivery of the "Tiejian Daqiao No. 2" [1] - The company now operates a total of "eight types and nine ships," including the 2500-ton straight arm crane ship "Tiejian Daqiao No. 1" and the 6000HP tugboat "Tiejian Daqiao Tug No. 1" [1]