桥梁建设
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四川首座采用钢壳-混凝土组合索塔结构的大跨斜拉桥主塔封顶 装配桥塔 10人现场“拼积木”
Si Chuan Ri Bao· 2025-10-07 01:14
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]
世界最高双联主塔 渝万高铁石沱长江大桥双主塔封顶
Yang Shi Xin Wen· 2025-10-06 05:58
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]
中企研发智能装备 助力沙特实现“2030愿景”
人民网-国际频道 原创稿· 2025-10-05 05:20
Core Viewpoint - The project in Saudi Arabia's Red Sea region utilizes an innovative pile-beam integrated machine for bridge construction, marking the first use of such technology in the Middle East, which aims to enhance construction efficiency while protecting local ecology [1][2]. Group 1: Project Overview - The Red Sea region is being developed as a comprehensive tourism city under Saudi Arabia's "Vision 2030," featuring 50 hotels, over 1,000 residential units, and an international airport [2]. - The project includes multiple bridges and roadways, with a main bridge spanning 2,170 meters that crosses approximately 30,000 square meters of mangrove forest [2]. - The construction is managed by China Harbour Engineering Company and implemented by China Communications Construction Company, focusing on minimizing ecological impact [2]. Group 2: Technology and Innovation - The pile-beam integrated machine, named "Red Sea Vision No. 1," was specifically developed for this project and represents a significant advancement in construction technology [5]. - This new technology allows for simultaneous pile driving and beam erection, achieving construction efficiency that is 3 to 5 times greater than traditional methods [4]. - The machine is equipped with a smart control system that monitors the load on its six supporting legs, ensuring precise movement and stability during construction [4]. Group 3: Project Progress and Future Plans - Since its deployment in June, the integrated machine has successfully completed several key milestones, including the installation of the first double T-beam and the first PHC pile [5]. - The main bridge is scheduled to be completed by February 2026, demonstrating the project's commitment to timely execution [5]. - The project is seen as a model for green construction practices, aligning with both the Belt and Road Initiative and Saudi Arabia's Vision 2030 [6].
“世界第一”,不只是一座桥!
Zhong Guo Zheng Quan Bao· 2025-10-01 05:12
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].
双主塔同日封顶,崇启公铁长江大桥迎来重大进展
Yang Zi Wan Bao Wang· 2025-09-29 10:53
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]
全部标准节梁段吊装完成 中山东环香山大桥预计10月合龙
Nan Fang Ri Bao Wang Luo Ban· 2025-09-29 08:00
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]
狮子洋大桥索塔建设高度突破200米 主塔预计明年封顶
Nan Fang Ri Bao Wang Luo Ban· 2025-09-29 08:00
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]
创多项纪录 上个周末大国工程好消息不断!
Yang Shi Xin Wen Ke Hu Duan· 2025-09-29 02:01
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]
通讯丨这是“希望大桥”——突尼斯民众盼中企承建大桥项目顺利完工
Xin Hua Wang· 2025-09-29 00:30
Core Viewpoint - The construction of the Bizerte Grand Bridge in Tunisia, undertaken by a Chinese company, is a significant infrastructure project that is expected to enhance local economic development and improve transportation for residents and tourists [2][4]. Group 1: Project Overview - The Bizerte Grand Bridge is the largest ongoing infrastructure project in Tunisia, which has been under construction since July 2024 and is highly anticipated by the local population [2]. - The project has garnered significant attention on local media platforms, indicating its importance to the community [2]. Group 2: Transportation Impact - Currently, the Bizerte Canal divides the city into northern and southern parts, with only one existing bridge that causes significant traffic congestion, often requiring residents to detour up to 60 kilometers [4]. - The new bridge is expected to alleviate traffic bottlenecks, making it easier for tourists to access Bizerte from the capital, Tunis, and enhancing the region's tourism potential [4]. Group 3: Project Progress - As of now, 14% of the project's foundational construction has been completed, with ongoing work on the bridge's foundation and substructure [5]. - The project is on track for completion in the second half of 2027, with strong collaboration between Chinese companies and local stakeholders [5]. Group 4: Community Reception - Local residents have shown enthusiasm for the project, welcoming Chinese workers and expressing optimism about the bridge's potential to improve daily life [5]. - The project is also introducing new construction and environmental technologies to the region, which may enhance local construction standards [5].
三项重大基础设施顺利投运(记录中国)
Ren Min Ri Bao· 2025-09-28 22:28
Group 1 - The world's highest bridge, the Huajiang Canyon Bridge, officially opened on September 28 after over three years of construction [4] - The bridge spans 2890 meters with a main span of 1420 meters and a height of 625 meters above the water surface, making it the tallest and longest in mountainous regions globally [4] - The opening of the bridge significantly reduces travel time between Guizhou's counties, from 2 hours to 2 minutes, and from 3 hours to approximately 1.5 hours for other routes, enhancing resource connectivity and local economic development [4] Group 2 - The Shen-Jia high-speed railway segment from Shenyang to Jiamusi, covering 430 kilometers with a design speed of 350 km/h, officially commenced operations on September 28 [4] - Travel time from Shenyang North Station to Changbai Mountain Station is now as short as 1 hour and 53 minutes, while the journey from Beijing Chaoyang Station to Changbai Mountain Station takes about 4 hours and 33 minutes [4] - The Xiang-Jing high-speed railway, spanning 116 kilometers with a design speed of 350 km/h, connects Xiangyang East Station to Jingmen West Station, further improving the high-speed rail network in western Hubei [5]