桥梁建设

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“世界第一”,不只是一座桥!
Zhong Guo Zheng Quan Bao· 2025-10-01 05:12
一桥飞架,天堑通途。 将两岸通行时间从2小时压缩至2分钟;凝聚17项国家发明专利、4项实用新型专利;可体验多种极限运动,还能在 775米高空体验"云端咖啡"...... 国庆节假期到来前夕,贵州六安高速花江峡谷大桥正式通车。这一工程再次刷新世界桥梁纪录——全长2890米, 主跨1420米,桥面距水面高625米——无论横向跨度还是纵向高度,皆为世界第一。 贵州省交通运输厅厅长张胤在接受记者采访时表示,花江峡谷大桥的建成,标志着在复杂艰险的喀斯特峡谷地 带,我国桥梁建造技术居世界领先水平,彰显了中国建造的卓越实力。 远眺花江峡谷大桥贵州省安顺市关岭自治县融媒体中心供图 淬炼桥梁建造新技术 "从勘察设计到落地建成,公司团队直面多项世界级挑战。"上交所主板上市公司贵州省交通规划勘察设计研究院 股份有限公司(股票简称:勘设股份)总工程师杨健对中国证券报记者表示。 杨健介绍,建设过程中,针对峡谷瞬时14级强风的极端环境,团队通过多普勒激光雷达测风系统精准掌握峡谷风 场规律,结合风洞试验合理选取气动措施,保障了桥梁的抗风性能。此外,针对两岸复杂的地形条件,团队因地 制宜,创新地提出了"非对称锚碇",让结构受力、生态环保、工 ...
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]
全球首创将“智慧神经”植入主缆,新的世界第一高桥全天候自体检
Xin Hua She· 2025-09-28 12:33
Core Points - The Guizhou Huajiang Gorge Bridge has officially opened, setting world records with a vertical height of 625 meters and a main span of 1420 meters, marking it as the highest and longest suspension bridge globally [1] - The bridge features an innovative "smart nerve" system that integrates fiber optic sensors into the main cable, allowing for real-time monitoring of its health status [2][3] Group 1 - The main cable is a critical load-bearing component of suspension bridges, and its corrosion and stress changes are key indicators for maintenance [2] - Traditional maintenance methods relied on manual inspections and measurements, while the Huajiang Gorge Bridge employs a "smart cable" system for proactive monitoring [2] - The fiber optic technology used in the bridge allows for continuous data transmission regarding temperature, humidity, and stress, akin to a "heartbeat monitor" for the main cable [2][3] Group 2 - The successful implementation of fiber optics for stress testing in the main cable is a world-first, providing a basis for future research and maintenance [3] - The bridge's monitoring system can automatically alert and initiate dehumidification when parameters exceed safe limits, enhancing the safety and longevity of the structure [2]
【财经早晚报】广州发布住房公积金提取新规;贾国龙多个社交账号清空;万达回应王健林被限高
Sou Hu Cai Jing· 2025-09-28 10:38
Group 1 - Jiangsu Province will suspend the automobile replacement subsidy policy effective from September 28, 2025, with consumers needing to submit applications by October 20, 2025, for purchases made before the suspension [4] - Five Star Zhai, known as the "first stock of rice dumplings," has initiated preparations for a Hong Kong listing, despite facing a decline in revenue by 18.64% to 1.579 billion yuan in 2024 [5] - Shanghai Future Industry Fund has successfully expanded its scale from 10 billion yuan to 15 billion yuan, focusing on disruptive innovation and early-stage investments in cutting-edge technologies [5] Group 2 - Guangzhou has released new regulations for housing provident fund withdrawals, allowing contributors to withdraw funds for purchasing various types of housing and for old elevator renovations [3] - The U.S. Federal Reserve has an 87.7% probability of a 25 basis point rate cut in October, indicating potential shifts in monetary policy that could impact investment strategies [4]
科技赋能“智”取深山峡谷 60秒回顾“世界第一高桥”建设历程
Yang Shi Wang· 2025-09-28 08:15
Core Viewpoint - The construction of the Huajiang Gorge Bridge, which began in January 2022, showcases innovative technologies and engineering solutions, establishing it as a significant national project and the world's highest bridge upon its completion in September 2025 [1][12]. Group 1: Construction Timeline - The bridge construction commenced in January 2022 [1] - Main cable traction construction started in April 2024 [3] - The bridge deck successfully connected in January 2025 [6] - Load testing was conducted in August 2025 with 96 heavy trucks weighing over 3,300 tons [10] - The bridge was officially opened for traffic on September 28, 2025 [12] Group 2: Technological Innovations - The bridge features the world's first "smart cable" embedded with fiber optics for real-time monitoring of the main cable's health [4][12] - The main cable, consisting of 217 strands each made of 91 wires, incorporates three smart cables for monitoring stress, temperature, and humidity [17] - The innovative "smart cable" system automates humidity control to prevent corrosion, significantly extending the cable's lifespan [17] Group 3: Engineering Breakthroughs - The bridge's saddle structure was transformed from traditional casting to a forged structure, reducing the weight of individual components to 41.3 tons while increasing compressive strength by 44% [19] - The construction team utilized finely ground dolomite as a substitute for fly ash, ensuring the quality of 160,000 cubic meters of concrete while saving approximately 5 million yuan [23]