0 6 开年以来真"硬核" 多个重要工程项目建设报喜 2026开年以来,多个重要工程项目取得 新进展,为高质量发展蓄势赋能。 "华龙· 量" 漳州核电一期工程 全面建成投产 中国经济 数据观 d a 11 . . . . . . . . . o be be bet be been to be to be the been t 1月1日,经过168小时满功率连续 运行考核,位于福建漳州的漳州核 电2号机组正式投入商业运行,标 志着"华龙一号"漳州核电一期工 程全面建成投产。 漳州核电是"华龙一号"批量化建 设的始发地,也是全球最大的"华 龙一号"核电基地,规划建设6台 "华龙一号"核电机组。基地全面 建成后，预计每年可提供约600亿 度清洁电能，能够有效优化福建省 "北电南送"的电力格局。 渝万高铁重难点工程 巴山村隧道 顺利贯通 l l 1月4日上午,随着最后一次爆破成 功实施,经过34个月日夜奋战,渝 万高铁重难点工程 -- 巴山村隧道 顺利贯通。至此,渝万高铁忠县段 12座隧道全部贯通,标志着渝万高 铁建设取得重大突破，为全线按期 通车奠定了坚实基础。 2026年 我国首台核电机组 开工建设 8 - 1月 ...

Core Viewpoint - The successful completion of the Ba Mountain Village Tunnel, a critical project of the Chongqing-Wanzhou High-Speed Railway, marks a significant milestone in enhancing transportation infrastructure in the region [1][3]. Group 1: Project Details - The Ba Mountain Village Tunnel is located in Zhong County, Chongqing, with a total length of 7,306 meters, designed as a single-tube double-track tunnel [3]. - The tunnel faces complex geological conditions, including high gas levels, weak surrounding rock, and karst formations, which pose significant construction challenges [3]. - The project team implemented a synchronized construction approach across four work areas to address the tunnel's geological complexities and risks [3]. Group 2: Safety Measures - An automated gas monitoring and alarm system was installed to continuously monitor harmful gas concentrations, wind speed, and temperature, ensuring early detection and response to risks [3]. - The team strictly adhered to a proactive geological forecasting system to accurately assess geological conditions ahead of the excavation [3]. Group 3: Economic and Strategic Importance - Upon completion, the Chongqing-Wanzhou High-Speed Railway will significantly reduce travel time between the northeastern Sichuan Three Gorges urban cluster and central Chongqing, greatly facilitating travel for local residents [5]. - The railway is a vital part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, contributing to the development of the Chengdu-Chongqing economic circle and the Belt and Road Initiative [5].

Group 1 - The Ba Mountain Tunnel, located in Chongqing's Zhong County, is a 7,306-meter long high-risk tunnel with complex geological conditions, including harmful gases, weak surrounding rock, karst formations, high temperatures, and high gas levels [3] - The shallow buried section of the tunnel has a minimum distance of only 16 meters from the bedrock interface, and it passes under roads and accumulations, leading to poor surrounding rock stability and a high risk of collapse and deformation after excavation [3] Group 2 - To address the complex geological conditions and multiple risk points, the construction unit organized simultaneous operations in four work areas: "import, No. 1 inclined shaft, No. 2 inclined shaft, and cross tunnel" [6] - Strict measures were implemented during construction, including "advanced management, strict grouting, short excavation, strong support, quick closure, and frequent measurements," ensuring the successful completion of the tunnel [6] Group 3 - The Yuwan High-Speed Railway is a crucial part of China's "eight vertical and eight horizontal" high-speed rail network, connecting Chongqing East Station to Wanzhou North Station over a total length of 251 kilometers with a design speed of 350 kilometers per hour [10] - Once operational, the railway will significantly shorten travel times between the northeastern Sichuan Three Gorges urban agglomeration and the main urban area of Chongqing, greatly facilitating travel for residents along the route and playing an important role in supporting the Chengdu-Chongqing economic circle and promoting the "Belt and Road" initiative alongside the Yangtze River Economic Belt [10]

Core Viewpoint - The successful completion of the Guangyuzhai Tunnel marks a significant milestone in the construction of the Yuwan High-Speed Railway, which is crucial for enhancing regional transportation and economic development in Northeast Chongqing [1][7]. Group 1: Project Details - The Guangyuzhai Tunnel, located in Wanzhou District of Chongqing, has a total length of 8,575 meters and a maximum burial depth of approximately 350 meters, making it one of the key challenging projects along the Yuwan High-Speed Railway [3][4]. - The tunnel construction faced complex geological conditions, including the presence of weak surrounding rock and the need to pass under existing transportation lines, such as the Dawan Railway and G42 Hu-Rong Expressway, with a minimum clearance of only 19 meters at the interchange [3][4]. Group 2: Construction Techniques - The project team from China Railway 11th Bureau implemented an auxiliary tunnel scheme using "central inclined shaft + exit lateral tunnel" to achieve efficient construction goals [4]. - Innovative construction techniques were employed, including controlled blasting and a two-step excavation method for the entrance section, as well as a non-blasting three-step excavation for the exit section, which helped to minimize disturbance to surrounding rock and ensure the safety of existing lines [4]. Group 3: Economic Impact - Once completed, the Yuwan High-Speed Railway will reduce the travel time from downtown Chongqing to Wanzhou to under one hour, significantly improving the regional high-speed rail network and promoting high-quality economic and social development in Northeast Chongqing [7].

Core Viewpoint - The Chongqing-Wanzhou High-Speed Railway (Yuwan High-Speed Railway) has made significant progress in construction, marking a key milestone in the development of China's high-speed rail network, which is part of the national "Eight Vertical and Eight Horizontal" high-speed rail framework [1] Group 1: Project Overview - The Yuwan High-Speed Railway has a total length of 251 kilometers and is designed for a speed of 350 kilometers per hour, making it a crucial high-speed rail project in Southwest China [1] - Upon completion, the travel time from Chongqing to Wanzhou will be reduced to under one hour, enhancing connectivity with the Yuxi and Zheng-Wan high-speed rail lines to form a high-standard Jing-Kun corridor [1] Group 2: Construction Progress - The construction team has completed the prefabrication of all 301 box girders at the Wanzhou Xiangshui Town beam yard, laying a critical foundation for subsequent beam erection and ballastless track laying [1] - The project employs comprehensive digital management throughout the construction process, including smart devices for monitoring and risk control in the box girder production [1] Group 3: Economic Impact - The completion of the Yuwan High-Speed Railway is expected to further stimulate economic and social development along the route, supporting national strategies such as the Chengdu-Chongqing Economic Circle and the Yangtze River Economic Belt [1]

Core Points - The Chongqing-Wanzhou High-Speed Railway's Shitou Yangtze River Bridge has entered the combined beam construction phase, marking a significant milestone for the project [1] - The bridge will set four world records upon completion, including the world's first combined rail and road double-tower and the highest double-tower at 253 meters [3] - The construction employs advanced technology, including a "digital twin + intelligent monitoring" system, ensuring high precision in installation [3] Summary by Sections - **Project Significance** - The completion of the Chongqing-Wanzhou High-Speed Railway will reduce travel time between Chongqing and Wanzhou to under one hour, greatly facilitating travel for local residents [4] - The project supports national strategies such as the Chengdu-Chongqing Economic Circle and the Yangtze River Economic Belt, promoting economic and social development along the route [4] - **Technical Details** - The Shitou Yangtze River Bridge has a main span of 608 meters, making it the largest combined rail and road mixed beam cable-stayed bridge in the world [3] - The steel combined beam segment being installed measures 9.625 meters in length, 23.6 meters in width, and 4.514 meters in height, weighing approximately 550 tons [3] - The construction utilizes 32 high-precision sensors to collect real-time data on stress and displacement, achieving installation accuracy within 3 millimeters [3]

Core Viewpoint - The successful completion of the Sujiaping and Tapin Village tunnels marks a significant milestone in the construction of the Yuwan High-Speed Railway, indicating that the project is entering a critical phase towards timely operation [1][3]. Group 1: Tunnel Details - The Tapin Village tunnel, measuring 3,484 meters, is a key node and one of the first standardized demonstration work sites, with 92.3% of its section classified as IV-grade surrounding rock, facing geological challenges such as gently inclined rock layers and gypsum mudstone [3]. - The Sujiaping tunnel, with a length of 6,655 meters and a minimum burial depth of 19 meters, traverses multiple accumulation and landslide bodies, featuring widespread unfavorable geological conditions, requiring seven types of lining to adapt to geological risks [3]. Group 2: Safety Measures - To ensure construction safety, the contractor, China Railway 11th Bureau, has established a closed-loop system comprising "personnel positioning + lining anti-void monitoring + intelligent emergency warning" [5]. - Comprehensive safety management is implemented with a focus on responsibility penetration, creating a hierarchical management grid that clarifies safety responsibilities at all levels, ensuring effective on-site safety management [5]. Group 3: Project Impact - The Yuwan High-Speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, connecting Chongqing East Station to Wanzhou North Station, significantly reducing the travel time from Chongqing's central urban area to Wanzhou to under one hour, thereby enhancing travel convenience for local residents and supporting economic and social development along the route [7].

Core Points - The Chongqing-Wanzhou High-Speed Railway (Yuwan High-Speed Railway) has successfully completed the construction of the Quxi River Double-Line Bridge, a significant milestone in the project [2][4][6] - The bridge, located in the Fuling District of Chongqing, spans approximately 953 meters and is considered a key challenging project along the railway line [8][10][12] - The Yuwan High-Speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, with a total length of 251 kilometers and a designed speed of 350 kilometers per hour [2][4][6]

Core Viewpoint - The successful completion of the Quxi River Double-Line Bridge marks a significant milestone for the Chongqing-Wanzhou High-Speed Railway, laying a solid foundation for the timely operation of the entire line [1][3] Group 1: Project Details - The Quxi River Double-Line Bridge spans approximately 953 meters and is considered a key challenging project along the railway [1] - The Chongqing-Wanzhou High-Speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, connecting major regions [1] - The railway line starts from Chongqing East Station and extends 251 kilometers to Wanzhou North Station, with a designed speed of 350 kilometers per hour [1] Group 2: Economic and Social Impact - The completion of the project will significantly enhance the connectivity between the urban clusters in the northeastern Sichuan Three Gorges Reservoir area and the main urban area of Chongqing [3] - It will greatly facilitate travel for local residents and promote economic and social development along the route [3] - The project is crucial for implementing the strategic development of the Chengdu-Chongqing economic circle and for the coordinated development of the "Belt and Road" initiative and the Yangtze River Economic Belt [3]

Core Points - The completion of the last segment of the New Bridge Double-Line Super Bridge marks a significant milestone for the Chongqing-Wanzhou High-Speed Railway, ensuring the bridge's readiness for timely operation [1][3] - The bridge, designed by China Railway Erju and constructed by China Railway Construction Bridge Bureau, spans 1848 meters and features a maximum pier height of 100 meters [3] - The innovative structure of the 64-meter prefabricated segmental beam, consisting of 17 segments, simplifies construction and enhances safety and reliability compared to traditional methods [5] - The Chongqing-Wanzhou High-Speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, facilitating economic development and connectivity in the region [7]