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中国能建葛洲坝二公司松岗河项目:抓好BIM应用 推进桥梁施工技术创新
Huan Qiu Wang· 2025-09-12 07:42
Core Viewpoint - The project team of China Energy Construction Gezhouba Group Co., Ltd. successfully tackled technical challenges in the construction of the Shajing River pedestrian bridge in Shenzhen through innovative solutions and digital empowerment, ensuring high-quality and efficient project execution [1][3][4]. Group 1: Innovation and Technology Empowerment - The project team established a BIM technology research group to address the challenges posed by the unique geometric design of the bridge, utilizing 3D modeling to identify design conflicts and improve construction accuracy [3]. - Innovative solutions included the use of curved steel structure frameworks and multi-scenario construction simulations, which significantly enhanced the precision of assembling the unique steel box beams, reducing costs and improving safety [3][4]. Group 2: Effective Construction Management - The team implemented a three-dimensional control scheme to prevent tilting of the asymmetric steel arch bridge, enhancing stability through increased temporary support and anchoring systems [4]. - The project achieved key milestones ahead of schedule, completing the steel box beam installation and welding in just three months, and finishing the cofferdam removal 15 days early, thus ensuring safety for the flood season [4][5]. Group 3: Cost Reduction and Efficiency Improvement - The application of BIM technology led to a significant reduction in construction costs by optimizing the construction plan, which shortened the project timeline by 40 days [5]. - The project established a positive cycle of "technical optimization - efficiency improvement - cost control," demonstrating the effectiveness of innovative approaches in construction management [5]. Group 4: Safety Management - The project team utilized BIM technology to create a comprehensive digital model for the construction process, identifying potential risks and implementing targeted safety measures, resulting in zero safety incidents throughout the project [7]. - The successful application of innovative technologies not only ensured the project's smooth progress but also provided valuable references for future construction of spatial curved bridges and unique steel structures [7].
古田一路北段跨铁路转体桥成功转体 汉口西部核心通道将实现3分钟直达
Chang Jiang Ri Bao· 2025-09-12 00:36
"3、2、1,桥梁转体开始!"9月11日凌晨2时15分,由武汉市城投集团公司作为政府方 出资代表对项目进行管理、湖北交投集团投资建设、中铁十一局承建的最大纵坡墩顶转体桥 ——硚口区古田一路北段工程跨铁路转体桥开始转体。 随着最后的10毫米点动、5毫米点动、1毫米点动……"转体成功!"经过80分钟持续"挪 动",重达5250吨的庞然大物完成总计81.7°的高空"华丽转身"。 一个巨大的"跷跷板"如何成功转体?长江日报记者注意到,在技术人员的远程控制下, 古田一路北段转体桥采用逆时针旋转81.7°,在跨越8股运营铁路线后,实现毫米级高精度对 接。这标志着国内纵坡最大的墩顶转体桥梁转体成功。 记者在现场了解到,该桥为钢箱梁结构,转体重量5250吨。单从转体重量看,它在业内 并不突出,却为何创造国内纪录?这源于它罕见的大坡度和特殊的转体部位。 行走在桥面上,坡度明显。技术人员介绍,该桥设计采用(100+100)米连续钢箱梁结 构,跨越8股铁路运营线,纵坡为4.95%。这意味着,桥梁的两端并不在同一水平面上,而 是有着近7.34米的高差,远远看去,它像一个巨大的跷跷板一样横在空中。 古田一路北段工程全长2786米,南起 ...
2.7万吨!菏泽市单体重量最大立交桥转体成功
Qi Lu Wan Bao Wang· 2025-09-11 10:24
Core Viewpoint - The successful completion of the rotation construction of the Xumin Expressway overpass bridge marks a significant milestone for the project, laying the foundation for the overall opening of the expressway [1][3]. Group 1: Project Details - The Xumin Expressway overpass bridge spans 150 meters in length, 30.75 meters in width, and weighs 27,000 tons, consisting of six segments that were cast and then rotated as a whole [3]. - The bridge's rotation involved a counterclockwise turn of 71.3 degrees, achieving a total rotation angle of 85.3 degrees, with precise positioning over the Jingjiu Railway [3]. - The construction faced challenges such as high train traffic density on the Jingjiu Railway, limited working hours, narrow workspaces, high safety risks, and complex technical requirements [3]. Group 2: Construction Management and Innovation - Since its commencement in December 2023, the Xumin Expressway Company has adhered to a philosophy of high standards and efficiency, successfully overcoming multiple construction challenges [4]. - The project has implemented a "smart construction" approach, utilizing a construction engineering information system and enhancing safety management through a comprehensive four-dimensional approach [4]. - The Xumin Expressway single section is a crucial part of Shandong Province's 14th Five-Year Plan for highways, connecting key regions and improving the overall transportation network [4].
主跨1768米 双屿门特大桥首个主塔封顶
Ren Min Ri Bao· 2025-09-07 22:16
Core Points - The completion of the concrete pouring for the main tower of the Shuangyumeng Grand Bridge marks a significant milestone in the second phase of the Ningbo-Zhoushan Port Liuhong Highway Bridge project, undertaken by China Railway Construction Bridge Bureau [1] - The main span of the bridge reaches 1,768 meters, connecting Liuhong Island and Foduo Island [1] - The main tower stands at a height of 246.3 meters and is constructed using 12,000 tons of steel bars, 32,000 cubic meters of concrete, and 3,500 tons of section steel [1]
全球发展倡议:惠及各国民众的公共思想产品
Xin Hua She· 2025-09-06 22:14
Group 1 - The Global Development Initiative is becoming a new hope for developing countries, addressing global development challenges and focusing on key areas such as poverty alleviation, food security, climate change, and digital economy [1][2] - Since its launch in 2021, the initiative has gained widespread attention and support, emphasizing principles like prioritizing development, people-centered approaches, inclusivity, innovation, and harmony with nature [1][2] - As of 2024, the initiative has mobilized nearly $20 billion in development funds and initiated over 1,100 projects benefiting multiple countries, injecting strong momentum into global development [3] Group 2 - The "Friends of the Global Development Initiative" group was established in January 2022, with over 80 countries joining, aiming to create an inclusive and transparent platform for sharing development experiences [2] - Successful examples of the initiative include significant infrastructure projects in Iraq and Croatia, which have improved local economies and living standards [2] - The initiative reflects China's commitment to promoting global cooperation and building an open world economy amidst rising protectionism [3]
9月6日新闻夜览
Sou Hu Cai Jing· 2025-09-06 12:50
Group 1 - The automotive industry is experiencing continuous iteration driven by high-level intelligent technology, comprehensive safety guarantees, and an open cooperation ecosystem showcased at the World Intelligent Industry Expo 2025 in Chongqing [1] Group 2 - The Ningbo-Zhoushan Port Liuhong Highway Bridge, with a main span of 1768 meters, has successfully completed the topping of its first main tower, making it the largest span cross-sea bridge in China upon completion [3] Group 3 - Chinese scientists proposed a concept for asteroid detection, defense, and resource utilization at the third Deep Space Exploration International Conference, emphasizing the need for global cooperation in planetary defense [4][6] Group 4 - A breakthrough in end-to-end hazardous weather short-term warning technology for non-controlled airspace has been achieved, allowing for accurate 15-minute advance warnings for drone turbulence, enhancing safety for the low-altitude economy [7] Group 5 - The U.S. Labor Department reported significantly weaker-than-expected non-farm employment data, leading to a sharp decline in U.S. stocks and the dollar index, and strengthening market expectations for a potential interest rate cut by the Federal Reserve [11]
浙江:双屿门特大桥东主塔顺利封顶
Xin Hua She· 2025-09-06 08:08
Group 1 - The completion of the main tower of the Shuangyumeng Grand Bridge marks a significant progress in the construction of the second phase of the Sixiang Highway Bridge project [1] - The Sixiang Highway Bridge project consists of multiple bridges and connecting lines, including the Shuangyumeng Grand Bridge and the Qinglongmen Grand Bridge, forming a highway corridor [1] - The project aims to enhance the sea-land intermodal transportation network of Ningbo-Zhoushan Port and promote the development of the Zhoushan Archipelago New Area and Zhejiang's marine economy [1]
一跨1768米!国内最大跨度跨海大桥首个主塔顺利封顶
Xin Lang Cai Jing· 2025-09-06 06:47
Core Viewpoint - The completion of the first main tower of the Shuangyumeng Grand Bridge marks a significant milestone in the construction of the second phase of the Ningbo-Zhoushan Port Liuhong Highway Bridge project, which is being undertaken by China Railway Construction Bridge Bureau [1] Group 1 - The Shuangyumeng Grand Bridge connects Liuhong Island and Foduo Island, featuring a main span of 1,768 meters [1] - Upon completion, it will become the largest span sea-crossing bridge in China [1]
贵州乌长高速公路金旗特大桥合龙
Zhong Guo Xin Wen Wang· 2025-09-05 07:36
Core Points - The Jinqi Grand Bridge, a key project of the Wuchang Expressway, has successfully completed its closure, marking a significant milestone in its construction [1] - The bridge is the tallest and largest of its kind in the world, featuring a double-tower, double-cable-stayed design [1][3] Project Details - The Jinqi Grand Bridge is located in the Xiuwen County of Guiyang, Guizhou Province, spanning a V-shaped deep canyon at an altitude of 1300 meters and crossing the Mao Tiao River [3] - The bridge has a total length of 672 meters and is designed with dual two-way lanes, constructed using a steel-concrete composite beam [3] - The main tower of the bridge reaches a height of 300.6 meters, with a vertical drop of over 355 meters from the top to the water surface [3] Technical Challenges and Innovations - The construction faced several technical challenges, including the installation of a 300-meter high connected tower and precise control of the steel beam installation [3] - The project team conducted systematic research on high-performance concrete using machine-made sand and optimized the selection of high-pressure pumping equipment [3] - The introduction of BIM (Building Information Modeling) and intelligent real-time monitoring systems allowed for millimeter-level verticality control during the construction of the main tower [3] Economic and Social Impact - Upon completion, the Wuchang Expressway will enhance the highway network structure in Guiyang, facilitating a 1 to 2-hour traffic circle around the Guiyang metropolitan area [3] - The project is expected to significantly improve transportation convenience and has profound implications for the high-quality economic and social development of the central Guizhou region [3]
回升向好态势延续 交通固定资产投资规模保持高位
Core Insights - The transportation sector in China is experiencing a continuous recovery, with stable growth in freight volume and inter-regional personnel movement, alongside rapid growth in port cargo throughput and high levels of fixed asset investment [1][2][3] Investment Performance - In July, China's fixed asset investment in transportation reached 306.1 billion yuan, with railways accounting for 77.1 billion yuan, highways 200.5 billion yuan, waterways 17.3 billion yuan, and civil aviation 11.2 billion yuan [2][3] - For the first seven months of the year, total fixed asset investment in transportation was 1.95 trillion yuan, with railway investment growing by 5.6% year-on-year [3] Freight Volume Growth - From January to July, the national railway transported 2.331 billion tons of goods, with a daily average of 183,300 cars, reflecting year-on-year increases of 3.3% and 4.1% respectively [4][6] - In July, the total operating freight volume reached 4.97 billion tons, a year-on-year increase of 3.4%, with rail, road, waterway, and civil aviation freight volumes growing by 4.5%, 3.3%, 3.4%, and 15.3% respectively [6][7] Technological Advancements - The Ministry of Transport emphasized the need to cultivate new productive forces in the transportation sector, focusing on major technological breakthroughs and the development of smart transportation [7][8] - The establishment of the Transportation Big Model Innovation and Industry Alliance marks a shift towards collaborative development in transportation modeling, aiming to leverage artificial intelligence for industry innovation [7][8]