转自：央视新闻 据了解，天门特大桥预计于2026年上半年通过验收。大桥连接水城区花戛乡吴王村至野钟乡发射村，通 车后两地通行时间将从3小时缩短至15分钟，可大幅改善区域交通条件。 安盘高速公路是沪昆国家高速贵州段扩容工程，连接贵州安顺和盘州两地，采用双向六车道标准，全长 约174公里，预计将在2027年上半年建成通车。（总台记者 史超杰 胡波） 9月23日上午，随着最后一节钢梁精准就位，贵州安盘高速公路天门特大桥顺利实现合龙。大桥横跨北 盘江，桥面距江面高度560米，全长1553米，主跨820米，建成后将成为世界第三高桥及全球最高双向六 车道钢桁梁悬索桥。 ...

Core Viewpoint - The construction of major infrastructure projects in the Guangdong-Hong Kong-Macao Greater Bay Area is significantly enhancing connectivity, but these projects face challenges related to typhoon resistance and stability under extreme weather conditions [1][2]. Group 1: Infrastructure Projects - The Huangmaohai Cross-Sea Channel, which began construction in June 2020 and is set to open in December 2024, spans approximately 31 kilometers, with a 14-kilometer sea crossing [2][4]. - The Shenzhen-Zhongshan Link, which includes the world's largest span offshore steel box girder suspension bridge, is noted for its complex construction challenges due to frequent typhoons in the region [4][5]. - The Lion Rock Channel is another significant project, featuring the world's first double-deck suspension bridge exceeding 2000 meters in span [5][6]. Group 2: Engineering Innovations - Engineers are employing advanced technologies to enhance the wind resistance of these bridges, including the development of a new combination dynamic structure for the Shenzhen-Zhongshan Link that improves its critical wind speed to 88 m/s, allowing it to withstand a typhoon of level 17 [5][6]. - The Huangmaohai Cross-Sea Channel has implemented wind tunnel tests to optimize its design, achieving performance that exceeds international comfort standards for wind-induced vibrations [4][5]. - The projects involve collaboration with multiple prestigious universities to conduct extensive wind tunnel experiments, leading to the selection of optimal cable and beam designs that enhance stability against wind-induced vibrations [6][7]. Group 3: Typhoon Preparedness - The approach to typhoon preparedness includes deploying thousands of personnel for inspections and safety checks across various construction sites, with significant resources allocated for emergency response [7][8]. - During the impact of Typhoon "Hagupit," the Hong Kong-Zhuhai-Macao Bridge was temporarily closed, and extensive monitoring was conducted to ensure safety [7][8]. - The monitoring systems for bridges like the Humen Bridge have been intensified to ensure rapid response to any sudden changes in conditions [9].

Core Viewpoint - The article discusses the rapid development of the Guangdong-Hong Kong-Macao Greater Bay Area through major engineering projects, emphasizing the importance of wind resistance in bridge design due to the region's susceptibility to super typhoons [2][3]. Group 1: Engineering Projects - The Huangmaohai Cross-Sea Channel, which began construction in June 2020 and is set to open in December 2024, is a key project connecting Zhuhai and Jiangmen, featuring a main span of approximately 700 meters [3][5]. - The Shenzhong Channel, which includes the Shenzhong Bridge, is noted as the world's most complex cross-sea engineering project, integrating bridge, island, tunnel, and underwater connections [6][7]. Group 2: Wind Resistance Technologies - Advanced technologies such as "wind nozzles + vortex plates + central stabilizing plates" and "horizontal wing plates + vortex suppression grids" have been developed to enhance the wind resistance of large-span bridges [6][8]. - The Huangmaohai Cross-Sea Channel has conducted the world's first full-bridge vortex wind tunnel test, demonstrating superior wind resistance performance compared to international comfort standards [6][7]. Group 3: Recent Typhoon Impact - Typhoon "Hua Jia Sha," classified as a super typhoon, impacted Guangdong with wind speeds reaching 52 meters per second, prompting extensive safety measures and inspections across various bridge projects [9][10]. - The Guangdong Transportation Group mobilized over 9,396 personnel for pre-typhoon inspections and implemented temporary closures of major bridges, including the Hong Kong-Zhuhai-Macao Bridge [9][10].

Core Viewpoint - The construction of major infrastructure projects in the Guangdong-Hong Kong-Macao Greater Bay Area is accelerating regional integration, but these projects face significant challenges due to extreme weather conditions, particularly typhoons [1][2]. Group 1: Infrastructure Projects - The Huangmaohai Cross-Sea Passage, which began construction in June 2020 and is set to open in December 2024, is a key project connecting Zhuhai and Jiangmen, with a total length of approximately 31 kilometers and a sea-crossing section of about 14 kilometers [2][4]. - The Shenzhong Passage, which includes the Shenzhong Bridge, is recognized as the world's most complex cross-sea cluster engineering project, featuring a total length of 2826 meters and a main span of 1666 meters, making it the largest span offshore steel box girder suspension bridge globally [5][6]. Group 2: Engineering Challenges - The design of bridges in the Pearl River Estuary prioritizes wind resistance due to the region's susceptibility to super typhoons, with engineers employing advanced technologies to ensure stability and safety under extreme wind conditions [2][4]. - The Huangmaohai Cross-Sea Passage has implemented innovative aerodynamic control technologies to manage bridge vibration and wind resistance, achieving performance that exceeds international comfort standards [5][6]. Group 3: Typhoon Impact and Response - Typhoon "Hagupit," classified as a super typhoon, impacted Guangdong, prompting the temporary closure of the Hong Kong-Zhuhai-Macao Bridge and extensive safety checks by the Guangdong Transportation Group, which deployed 9396 personnel for pre-typhoon inspections [8][9]. - The Guangdong Transportation Group has activated emergency response measures across 52 highway sections, with various levels of wind emergency responses initiated to ensure safety during the typhoon [10][11].

（通讯员 刘强 蒲红远） 2025年9月15日，中交一公局集团钦北线铁路桥改建工程跨平陆运河185米刚构连续梁拱桥——70号主墩 9号块顺利浇筑完成。钦北线铁路桥改建工程项目是西部陆海新通道（平陆）运河项目沿线跨河设施改 造工程之一，由于既有钦北线钦江桥通航净宽、净空不满足运河提级改造要求，而引起既有线改建。线 路位于广西钦州市钦北区，全线长4.138公里，是横跨平陆运河最大的涉铁桥梁工程，含3.293公里特大 桥1座，跨平陆运河185米刚构连续梁拱桥为项目控制性工程，全桥共18个节段，目前推进过半。 为保证9号块顺利的浇筑，项目建设团队制定针对性施工方案，针对挂篮施工跨平陆运河部分采取车载 泵泵送混凝土，边跨采取天泵泵送混凝土，同步均匀浇筑，加强对作业人员的安全技术交底与标准化流 程培训，严控关键工序，多措并举克服施工交叉多，营业线施工安全风险大等难题，为后续桥梁的合龙 打下坚实基础。项目全线建成后对提升平陆运河运载能力，加快广西及西南地区经济发展、促进中国一 东盟经贸合作具有重要意义。 ...

Core Viewpoint - The construction of major transportation projects, such as the He-Ruo Railway, is significantly enhancing regional economic development and improving connectivity in China, particularly in remote areas like Xinjiang [1][5]. Group 1: Transportation Infrastructure Development - The He-Ruo Railway, built by China Railway Construction Corporation, has transformed the previously inaccessible Taklamakan Desert region into a vital economic corridor, ending the history of no train access for five counties [1]. - The railway construction faced extreme challenges, with 460 kilometers traversing a desert with no water, electricity, or roads, showcasing the engineering capabilities of state-owned enterprises [1][2]. - The introduction of innovative construction techniques, such as the "bridge instead of road" approach, has significantly reduced transportation distances by over 1,000 kilometers [2]. Group 2: Investment and Economic Impact - From 2021 to 2024, state-owned enterprises (SOEs) completed fixed asset investments totaling 19 trillion yuan, with an average annual growth rate of 6.3% [5]. - The opening of the He-Ruo Railway has reduced transportation costs for local products by over 20%, boosting tourism and local economies [15]. - The completion of the Changtai Yangtze River Bridge has drastically cut travel time between Changzhou and Taizhou from 1 hour and 20 minutes to approximately 20 minutes, enhancing local connectivity [4][15]. Group 3: Technological Innovation - SOEs are leading in technological advancements, with the introduction of the world's largest diameter shield tunneling machine and innovations in high-speed rail technology, such as the development of high-speed train wheels that improve performance [9][11]. - The use of advanced construction methods and equipment has resulted in significant time savings in infrastructure projects, with some urban subway construction periods reduced by 1 to 2 years [9][11]. - SOEs have been involved in 22 major national technology projects, contributing to the development of key products in the manufacturing sector [13]. Group 4: Future Outlook - The investment focus of SOEs is expected to shift towards high-quality development, optimizing multi-modal transportation structures, and integrating smart and green technologies into infrastructure [7]. - The ongoing development of transportation infrastructure is anticipated to further enhance economic opportunities and improve the quality of life for citizens [17].

Core Viewpoint - The construction of major transportation projects by central enterprises in China is significantly enhancing regional economic development and improving the quality of life for citizens, showcasing the strength and responsibility of these enterprises in building a transportation powerhouse [1][3]. Group 1: Transportation Infrastructure Development - The completion of the He-Ruo Railway has transformed the previously inaccessible Taklamakan Desert area into a vital economic corridor, connecting five counties and facilitating economic growth [1]. - Central enterprises have successfully tackled the challenges of building infrastructure in harsh environments, exemplified by the He-Ruo Railway's construction through 460 kilometers of desert [2]. - The G0711 line's Tian Shan Victory Tunnel, the longest highway tunnel in the world, is set to enhance connectivity between northern and southern Xinjiang, reducing travel time significantly [2]. Group 2: Technological Innovation in Construction - The He-Ruo Railway project utilized innovative techniques such as "bridge instead of road" and introduced a train monitoring system to ensure safety and efficiency during construction [2]. - The use of advanced construction methods, such as the "three tunnels + four shafts" technique for the Tian Shan tunnel, has led to significant reductions in construction time [2]. - The development of the "Jinghua" shield machine has enabled the completion of the longest shield tunnel in China, showcasing advancements in domestic technology [4]. Group 3: Economic Impact and Benefits - The opening of the He-Ruo Railway has reduced transportation costs for local products by over 20%, boosting tourism and local economies [6]. - The Changtai Yangtze River Bridge has drastically cut travel time for residents, enhancing their daily commuting experience and reducing fuel costs [6]. - The establishment of the green smart port in Peru has shortened shipping times and reduced logistics costs by over 20%, facilitating trade between China and Latin America [6]. Group 4: Investment and Future Outlook - From 2021 to 2024, central enterprises are projected to invest 19 trillion yuan in fixed assets, with an annual growth rate of 6.3%, indicating a strong commitment to transportation infrastructure [3]. - Future investments will focus on high-quality development, optimizing transportation modes, and integrating smart and green technologies into infrastructure [3]. - Central enterprises are expected to lead in key technological advancements, contributing to the construction of a robust transportation network and supporting national strategic goals [5].

Core Viewpoint - The successful rotation of the overpass bridge on the Kowloon to Jining Expressway marks a significant engineering achievement, utilizing advanced safety monitoring technology for the first time in Shandong province [1][3]. Group 1: Engineering Technology - The bridge employs a high-support mold safety monitoring system, which acts as a "smart brain" for the structure, providing real-time data visualization and immediate risk alerts [3]. - The system continuously collects data on support settlement and axial force, with a real-time transmission to a terminal platform, ensuring a rapid response to any safety threshold breaches [3][5]. - The project team implemented a dual-synchronous intelligent monitoring system to address the challenges of synchronizing the heavy beam rotation, achieving a precision error of less than 2 cm, exceeding industry standards [5]. Group 2: Operational Efficiency - The introduction of a cloud-based smart construction platform has significantly improved collaboration among participating units, increasing efficiency several times over [7]. - The platform allows for real-time sharing of design parameters and construction progress, reducing the time needed for pre-construction planning from three days to one [7]. - Mobile applications facilitate on-site operations, enabling workers to access technical documents and report issues directly through the app, streamlining the problem reporting and resolution process [7]. Group 3: Economic Impact - The completion of the overpass bridge will alleviate traffic bottlenecks between Kowloon and Jining, effectively diverting traffic from the saturated National Highway 104 [8]. - It will shorten commuting times between the two cities and provide a more efficient transportation route for logistics companies, thereby reducing transportation costs for bulk commodities [8]. - This infrastructure project supports the integration of the southwestern Shandong region into the Huaihai Economic Zone's industrial collaboration framework [8].

9月20日，黄冈与鄂州之间的长江江面上，随着一节钢梁由缆载吊机缓缓提升至设计位 置，燕矶长江大桥主跨首节钢梁吊装完成，标志着由湖北交投投资建设，中铁大桥局、中交 二航局施工的我国首座大跨度四主缆悬索桥建设迈入钢梁架设阶段。 据了解，燕矶长江大桥连接湖北鄂州和黄冈，上层设计为高速公路，下层为城市快速 路，是鄂东空铁、空陆联运立体交通运输体系的重要过江通道，预计今年年底完成钢梁架 设。 燕矶长江大桥建成后，黄冈到花湖国际机场的车程将缩短至15分钟，极大便利两岸居民 出行，提升区域交通效率，为鄂东地区打造"公、铁、水、空"综合交通运输体系提供关键支 撑，助力武汉都市圈加快发展。 编辑：李智恒 大桥钢梁共计69个节段，本次架设的首节段钢梁采用900吨缆载吊机进行吊装。由于燕 矶长江大桥跨越长江干流，又紧邻花湖国际机场，考虑塔高受限、航道需求、生态红线以及 桥位地质条件等因素影响，大桥设计四根主缆、一跨过江，主跨达1860米，是我国首座大跨 度四主缆悬索桥，同时也是世界首座不同垂度四主缆悬索桥。 中铁大桥局燕矶长江大桥项目副总工程师张昭贤介绍，和普通的悬索桥相比，燕矶长江 大桥架设钢梁时，得同时和大桥上内外四根主缆的6 ...

"由于内缆承受缆载吊机和钢梁的重量，会出现内缆吊索安好后，外缆吊索到指定位置还有一定高度 差，此次首节段钢梁吊装外缆吊索高差达两米，所以施工过程中需将内缆的荷载转移一部分到外缆 上。"中铁大桥局燕矶长江大桥项目副总工程师张昭贤说，"如何转移荷载，精准转移多少荷载从而达到 内外缆平衡，内缆上的缆载吊机如何精准布置，这些都没有成熟经验可循。" 为克服难题，实现不同垂度四主缆悬索桥结构体系建设，湖北交投牵头联合中铁大桥局等建设单位，在 大桥建设前期进行大量的数据论证和可行性实验，通过研究优化施工方案，最终精准确认了各个安装点 位，同时确定采用在外缆上安装液压提升装置并与钢梁底部吊点相连的施工方法；通过实时测算不同位 置钢梁受力情况，随时调整和校正，以达到内外缆受力平衡。 据了解，作为鄂州国际物流核心枢纽的综合配套工程，燕矶长江大桥连接湖北鄂州和黄冈，上层设计为 高速公路，下层为城市快速路，是鄂东空铁、空陆联运立体交通运输体系的重要过江通道，预计今年年 底完成钢梁架设。大桥建成后，黄冈到鄂州花湖机场车程仅需15分钟，对完善湖北省高速公路网和过江 通道布局，强化武鄂黄黄一体化发展具有重要意义。(完) 中新网武汉9月20 ...