这是10月5日在圭亚那首都乔治敦拍摄的晚霞中的巴拉特·贾格迪奥-德梅拉拉河大桥（无人机照片）。 新华社发（中国铁建国际供图） 10月的第一个周日，对于圭亚那人民来说有着特殊的意义。上万名民众从四面八方汇聚于中企承建的巴 拉特·贾格迪奥-德梅拉拉河大桥，期盼见证大桥通车。傍晚时分，大桥两端四座将圭亚那国徽元素羽 冠、王莲、河流融于一身的塔冠点亮灯光，照亮了德梅拉拉河的水波。 "今后，我再也不用凌晨4点起床了。"住在首都乔治敦的马西埃·巴克利每天往返于德梅拉拉河两岸通 勤，常因交通拥堵单程耗费3小时以上。 圭亚那，意为"多水之乡"。该国河网密布、沟渠纵横。桥梁之于国家，不仅是交通通道，更是连接生活 与梦想的纽带。 新华社乔治敦10月5日电 通讯｜一桥通万家——记中企承建圭亚那新德梅拉拉河大桥正式通车 新华社记者孟宜霏 许咏政 "随着大桥通车，当代人及子孙后代获得了一份珍贵礼物——与至爱之人共度更多美好时光。"圭亚那主 流媒体《圭亚那纪事报》5日在报道中写道。 "新桥的意义远不止混凝土结构本身。大桥通车后，从新建住宅区到乔治敦市中心仅需30分钟左右车 程，这将大幅提升民众幸福感。此外，由于与公路网互联互通，新桥通车 ...

Core Insights - The article highlights the significant achievements in China's bridge construction, showcasing the country's infrastructure development and progress [2] Group 1: Overview of Bridge Construction - As of the end of 2024, China has a total of 1,108,100 bridges, with a combined length of 101,975,800 meters [2] - Among these, there are 11,329 large bridges with a total length of 20,604,700 meters, and 191,400 major bridges with a total length of 53,970,500 meters [2] Group 2: Notable Bridge Projects - The Guizhou Huajiang Gorge Bridge, completed on September 28, 2025, is the world's largest span steel truss suspension bridge in mountainous gorges, measuring 2,890 meters in length and 625 meters in height [5] - The Changtai Yangtze River Bridge, which opened on September 9, 2025, spans 10.03 kilometers and integrates expressway, intercity railway, and regular road, significantly reducing travel time between Changzhou and Taizhou to approximately 20 minutes [8][9] - The Chongqing Tongnan Dongsheng Bridge, completed on March 20, 2025, is 5,095 meters long and enhances the transportation network in Chongqing, supporting the Chengdu-Chongqing economic circle [12] - The Guangxi Longmen Bridge, the longest cross-sea bridge in Guangxi, opened on December 29, 2024, with a total length of 7.637 kilometers and a design speed of 100 km/h [15] - The world's first arch bridge with a span exceeding 600 meters, the Guangxi Tian'e Longtan Bridge, was completed on February 1, 2024, measuring 2,488.55 meters in length [19] - The Ningxia Zhongwei Xiaheyan Yellow River Highway Bridge, part of the key projects for the 14th Five-Year Plan, was completed on November 28, 2023, with a main span of 1,228 meters [22] - The Xinpengbu Bridge, which opened on September 28, 2022, connects the north and south banks of the Qiantang River in Zhejiang, featuring a dual-use design for both road and rail [25] - The Chongqing Lijia Jialing River Bridge, completed on September 29, 2021, is the first large-span beam-arch composite prestressed bridge in China, measuring 785 meters in length [28] - The Guangdong Zhanjiang Diaoshun Cross-Sea Bridge, opened on June 28, 2021, spans approximately 9.36 kilometers and plays a crucial role in connecting the Guangdong-Western region to the Greater Bay Area [32]

Core Points - The Hudu Creek Minjiang River Grand Bridge is located in Qingshen County, Meishan City, and is expected to be completed and open to traffic by October 2026, significantly reducing travel time from approximately 115 minutes to about 40 minutes between Qingshen County and Tianfu New Area [3][4] - The bridge employs a steel-concrete composite cable-stayed structure, marking a first in Sichuan, and has transitioned to an "industrial manufacturing and assembly construction" model, enhancing construction efficiency by 30% compared to traditional methods [4][5] Construction Efficiency - The new technology allows 80% of the bridge tower's work to be completed in a manufacturing facility, requiring only 10 workers on-site for high-altitude assembly, which can complete a standard segment in just 7 days [4][5] - The project utilizes advanced manufacturing techniques such as laser cutting and welding, achieving a manufacturing precision error of no more than 2 millimeters [5] Environmental Considerations - The bridge is located in an ecologically sensitive area near the "Tianfu Granary," necessitating a balance between construction and ecological protection [4] - The innovative construction method reduces on-site concrete pouring by over 11,000 cubic meters and improves load-bearing performance by nearly 50%, while also decreasing construction dust, noise, and wastewater emissions by over 80% [4] Project Overview - The Tianmei Le Expressway, which the bridge is a key part of, spans 94.496 kilometers and is designed to accommodate a dual eight-lane and six-lane highway standard with a speed limit of 120 km/h [5] - The total estimated investment for the project is 29.074 billion yuan, with a total construction period of 4 years, expected to connect multiple major highways and alleviate traffic pressure in the region [5]

Core Points - The Shitou Yangtze River Bridge, featuring the world's highest double-tower, has successfully topped its sixth main tower at a height of 253 meters, marking a significant milestone in its construction [1][3] - The bridge is a key project for the Chongqing-Wanzhou high-speed railway, which spans a total length of 251 kilometers and is designed for a speed of 350 kilometers per hour, playing a crucial role in the development of the Chengdu-Chongqing economic circle [5] Group 1 - The Shitou Yangtze River Bridge is located in Fuling District, Chongqing, and is constructed by China Railway Bridge Bureau [3] - The main bridge measures 1,056 meters in total length, with a main span of 608 meters, and is the first to utilize a dual-tower design for both rail and road [3] - The completion of the bridge's main towers lays a solid foundation for the timely completion and opening of the entire line [1]

人民网迪拜10月2日电 （记者管克江）沙特红海西海岸，郁郁葱葱的红树林上方，一座飞桥正在红色钢结构桩梁一体机的牵引下逐步延伸。"这是中东 地区首次投用桩梁一体机。使用这套自主研发的智能造桥装备，我们能在架桥施工的同时保护当地生态。"沙特红海拉赫克连接路与跨海桥工程项目经理李 伟伟介绍。 沙特红海地区拥有丰富的生物多样性。在"2030愿景"下，沙特正全力打造以"绿色生态"为亮点的红海旅游项目，建设拥有50个酒店、1000多座住宅和1 个国际机场的综合旅游新城。 拉赫克连接路与跨海桥项目由中国港湾承建、中交四航局负责实施。项目连接多个旅游岛屿，包括两座小桥、一座大桥、一座特大桥以及永久路堤等。 其中长达2170米的主线桥梁关键段落穿越占地约3万平方米的红树林，若按照传统施工方案，无论是搭设钢栈桥或采用打桩船进行桩基施工，都将对红树林 造成不可避免的影响。 通过多方论证，项目团队提出了"全预制结构桥梁+桩梁一体机"的解决方案。 施工现场。人民网记者 管克江摄 工人在捆扎预制梁钢筋。人民网记者 管克江摄 桩梁一体机在施工中。中国港湾供图 工作人员在现场办公。人民网记者 管克江摄 在施工现场，记者看到，桩梁一体机两侧共 ...

Core Viewpoint - The completion of the Huajiang Canyon Bridge in Guizhou marks a significant advancement in bridge construction technology, showcasing China's engineering capabilities and creating new opportunities for tourism and economic development in the region [1][4][14]. Group 1: Bridge Construction and Technology - The Huajiang Canyon Bridge is a record-breaking structure, measuring 2890 meters in length and 625 meters above the water surface, making it the tallest and longest bridge in the world [1][4]. - The project has resulted in 17 national invention patents and 4 utility model patents, with 6 technologies being national firsts, including innovative wind observation and cable installation systems [4][10]. - The construction team utilized advanced technologies such as a Doppler laser radar wind measurement system and a fourth-generation smart cable hoisting system, significantly improving safety and efficiency [5][4]. Group 2: Economic and Tourism Impact - The bridge is designed to integrate transportation with tourism, featuring a service area that offers various extreme sports and scenic views, expected to attract over one million visitors annually [10][11]. - The "bridge-tourism integration" model is seen as a new engine for regional economic development, transforming Guizhou's tourism from a focus on individual attractions to a more holistic approach [11][14]. - The bridge's completion is part of a broader initiative to enhance transportation infrastructure in Guizhou, which has seen significant growth in the number of bridges and roadways, facilitating better access to tourist destinations [14][16].

Core Points - The completion of the main towers 3 and 4 of the Chongqi Railway and Highway Yangtze River Bridge marks a significant milestone in the construction of the world's largest span railway and highway cable-stayed bridge [1][2] - The bridge, part of the Shanghai-Chongqing-Lanzhou high-speed railway, spans 4.09 kilometers and features a main span of 400 meters, designed for high-speed rail and intercity rail traffic [1][2] Summary by Sections Construction Details - The main towers are H-shaped reinforced concrete structures, each 153 meters tall, consisting of seven parts including the tower base and top [2] - The project faced challenges due to complex geological conditions, particularly soft sandy soil, which complicated the construction of the foundation piles [2] - The bridge's construction highlights include a total steel beam push length of 1205.4 meters, a new structural design combining concrete slabs and steel trusses, and precise control of construction processes [2] Strategic Importance - Upon completion, the bridge will enhance the railway network layout along the Yangtze River, contributing to the integrated high-quality development of the Yangtze River Delta region [4]

Core Insights - The Zhongshan East Ring Expressway project in Guangdong Province has achieved a significant milestone with the completion of the hoisting work for all standard beam segments of the Xiangshan Bridge, marking the final phase of the main structure construction, expected to be completed by the end of October [1] Group 1: Project Details - The Xiangshan Bridge spans 1776 meters with a main span of 880 meters and a tower height of 270 meters, designed as a dual-layer, eight-lane bridge, making it the largest and widest dual-layer steel truss cable-stayed bridge for highways in China [1] - The main beam consists of 79 segments, weighing approximately 79,000 tons in total, with each standard segment measuring 25.6 meters in length, 42.2 meters in width, and 15.6 meters in height, exceeding 1200 tons in weight [1] Group 2: Technology and Safety Measures - The project team utilized BIM technology for digital simulation to optimize the hoisting plan, ensuring precision in the assembly of the large segments [1] - The intelligent bridge deck hoisting machine on-site features real-time monitoring capabilities, automatically tracking weight, height, amplitude, and stress data at critical points, with an immediate alarm system to halt operations in case of anomalies, ensuring safety during the hoisting process [1]

Core Points - The construction of the main tower of the Lion Rock Tunnel has surpassed a height of 200 meters, laying a solid foundation for its completion next year [1] - The Lion Rock Tunnel is the first dual-layer composite highway tunnel in the Pearl River Estuary, with a total length of approximately 35 kilometers and 16 lanes across two layers [1] - The project will set five world records for double-layer suspension bridges, including main span, tower height, anchor foundation, main cable scale, and number of lanes [1] Group 1 - The main tower of the bridge will reach a height of 342 meters, constructed from a steel-concrete composite structure consisting of 62 steel shell segments and 6 steel cross beams [1] - The construction is being carried out by China Communications Construction Company and Poly Longda Company [1] - Advanced construction equipment, including a domestic super-large tower crane, is being utilized to ensure safe and efficient construction of the tower [1] Group 2 - During the National Day holiday, over 6,000 construction workers will continue working on the project to meet annual construction targets [2] - The main bridge construction is progressing, with ongoing work on the tower and anchor foundation, as well as the installation of prefabricated beams for the upper structure [2]

Group 1 - The completion of the world's highest bridge, the Huajiang Canyon Bridge, marks a significant achievement in engineering, with a main span of 1420 meters and a height difference of 625 meters [1] - The bridge reduces travel time between Zhenfeng County and Guanling County from 2 hours to just 2 minutes, showcasing the transformation of infrastructure [1] - The construction utilized advanced technologies such as the Beidou system for assistance and drone operations for precision work [1] Group 2 - The Lion Rock Channel in the Guangdong-Hong Kong-Macao Greater Bay Area is progressing, with the main bridge tower exceeding 200 meters in height, setting the stage for its completion next year [5] - The Lion Rock Channel will be the first dual-layer composite road channel in the Pearl River Estuary, spanning approximately 35 kilometers with 16 lanes [5] - The project aims to achieve five world records in various categories, including main span and tower height [5] Group 3 - The opening of the Shenyang to Changbai Mountain high-speed railway is a key project under China's 14th Five-Year Plan, enhancing connectivity in Northeast China [5] - This railway line connects 14 prefecture-level cities in Liaoning Province, significantly improving access to high-speed rail for previously underserved areas [5] - The construction faced challenges due to extreme weather conditions and complex terrain, with a majority of the route consisting of bridges and tunnels [5] Group 4 - A new world record was set with the development of a 35.1 Tesla steady-state superconducting magnet by the Hefei Institute of Physical Science, showcasing advancements in superconducting technology [6] - This achievement represents a breakthrough in key technologies for high-field superconducting magnets, with 100% domestic control over materials and processes [8] - The research supports various applications, including MRI, aerospace electromagnetic propulsion, and efficient power transmission [8]