Core Viewpoint - The successful completion of the continuous beam for the high-speed rail line at the southern approach of the Chongqi Railway and Highway Yangtze River Bridge marks a significant milestone in the construction of this critical infrastructure project, which is expected to enhance connectivity in the Yangtze River Delta region [1][4][7]. Group 1: Project Details - The Chongqi Railway and Highway Yangtze River Bridge is located in Qidong City, Jiangsu Province, featuring an upper layer for highways and a lower layer for high-speed and intercity rail lines, with a total length of 830.05 meters and 19 piers [4]. - The continuous beam that has successfully completed spans the Long Island Avenue, with dimensions of (36.625 + 56 + 36.625) meters, utilizing a variable cross-section prestressed concrete design [4]. - The bridge's box girder has a top width of 12.6 meters, a bottom width of 6.7 meters, and varying heights, with the central section reaching 4.335 meters [4]. Group 2: Strategic Importance - The Chongqi Railway and Highway Yangtze River Bridge is a key node in the high-speed rail network connecting Shanghai, Nanjing, and Hefei, with a total length of 4.09 kilometers [7]. - Upon completion, the bridge will establish a rapid new corridor between the Shanghai metropolitan area, Nanjing metropolitan area, and Hefei metropolitan area, significantly optimizing the railway network layout along the Yangtze River [7]. - The project is expected to facilitate the coordinated development of the Yangtze Economic Belt and promote high-quality integration in the Yangtze River Delta region [7].

新华社贵阳9月27日电（记者 周芷若）索鞍是放置在悬索桥主塔顶部的部件，它"扛起"主缆，作为关键传力枢纽，其性能直接关系到桥梁安 全性和使用寿命。 位于贵州山区的花江峡谷大桥是一座大跨径钢桁梁悬索桥。传统铸造工艺生产的索鞍，单件重量达到上百吨，若将其吊装到距水面近800米高 的主塔顶部，需要动用超大吨位的吊装设备。 "要是在大江大河上的话，万吨浮吊可以说是想吊哪里就可以吊哪里，但在绵延不绝的山区、悬崖峭壁之间，大吨位的设备或材料运输极为不 便。"花江峡谷大桥项目总工程师刘豪说。 桥梁跨径越大，索鞍所承受的重量越大，花江峡谷大桥的索鞍，需兼顾轻量化与高性能，因此，更轻、更强的索鞍成为技术突破要点。 建设团队首创了一种"高性能锻焊组合式索鞍"。这种锻造工艺的索鞍，与传统铸造索鞍相比，不仅在用料上减少了31%的用钢量，力学性能 和稳定性还有很大提升。"这是我们'被逼出来的技术'。"刘豪说。 6月6日，工人在贵州花江峡谷大桥桥塔顶上施工（无人机照片）。新华社记者 杨文斌 摄 他介绍，行业内最多进行厚度为200毫米的锻件焊接，而在此次建设中，为了一次成功焊接好厚度近500毫米的锻件，建设团队发明了一种自 动焊接设备，不 ...

Core Viewpoint - The article reflects on the historical significance and engineering challenges of the Qiantang River Bridge, emphasizing its role in Chinese history and the sacrifices made during its construction amid wartime conditions [1][3][36]. Group 1: Historical Context - The Qiantang River Bridge was the first modern bridge in China designed and constructed entirely by Chinese engineers, symbolizing national pride and technological advancement [3][4]. - The bridge was completed in 1937 but was destroyed shortly after its completion to prevent it from being used by invading Japanese forces, highlighting the tragic circumstances of wartime [1][37]. Group 2: Engineering Challenges - The construction faced numerous difficulties, including the unique geological conditions of the Qiantang River, characterized by deep layers of quicksand and strong tidal forces [11][13][26]. - Innovative techniques, such as the "water jet method" for pile driving, were developed to address the challenges posed by the river's conditions, significantly improving construction efficiency [27][28]. Group 3: Financial and Political Aspects - The funding for the bridge was a significant challenge, requiring collaboration between various banks and government entities to secure the necessary capital [16][17][18]. - Political tensions and the involvement of multiple stakeholders, including the Ministry of Railways, complicated the financing and construction process [18][19]. Group 4: Personal Sacrifices and Leadership - The lead engineer, Ma Yisheng, demonstrated exceptional commitment and leadership throughout the project, often working under extreme pressure and facing personal risks [30][32]. - The emotional toll of having to destroy the bridge he had worked so hard to build was profound for Ma, reflecting the deep connection engineers have with their creations [37][38].

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].