转体过程中，项目团队创新运用5G技术，构建基于BIM与数字孪生的动态智能监控平台，实时监测转 体角速度、线速度等关键控制参数以及梁体姿态、标高和转动系统关键部位应力，实现"数字化调控"， 转体精度误差小于0.5度，较传统工艺减少30%后期调整工作量，为安全平稳转体提供数据支撑。 中新网江门10月10日电 (郭军 黄诗伟)10月10日凌晨，经过30分钟空中旋转，由中铁二十五局承建的深 (圳)江(门)铁路广中江特大桥跨广珠货运铁路单体T构成功转体，标志深江铁路全线首座转体桥施工完 成。 10月10日，广东江门，深江铁路广中江特大桥跨广珠货运铁路单体T构成功转体。图为转体施工进行 中。中铁二十五局 供图 深江铁路北起深圳西丽站，南至江门站，正线全长约116公里，其中深圳西丽至广州南沙段设计时速200 公里，广州南沙至江门段设计时速250公里。中铁二十五局承担了深江铁路12标13.41公里正线、545孔 箱梁制、运、架以及全线铺轨等施工任务。 据中铁二十五局现场负责人石炬介绍，此次转体施工地处深江铁路控制性工程——广中江特大桥跨虎跳 门桥段，该桥段长13.41公里，其337号至339号墩上跨广珠货运铁路T构转体桥重达 ...

10月10日凌晨，经过30分钟空中旋转，深江铁路广中江特大桥跨广珠货运铁路单体T构成功转体，标志深江铁路全线首座转体桥施工完成。 作为粤港澳大湾区轨道交通网络的重要组成部分，深江铁路建成后将实现深圳前海自贸片区与广州南沙自贸片区半小时高铁互联互通。未来，深江铁路将与 广深港高铁、深茂铁路等线路互联互通，成为推动珠三角西翼片区经济社会发展的"黄金通道"。 （总台记者 魏星 秦芊茗） 深江铁路北起深圳西丽站，南至江门站，正线全长约116公里，其中深圳西丽至广州南沙段设计时速200公里，广州南沙至江门段设计时速250公里。 据介绍，此次转体施工地处深江铁路控制性工程——广中江特大桥跨虎跳门桥段，该桥段长13.41公里， T构转体桥重达11216吨、跨度160米。项目采用转 体法施工，首先平行于既有铁路浇筑梁体，再通过转体系统，将梁体顺时针旋转30.2度，完成转体对接。 ...

Group 1 - The integration of the Shenzhen metropolitan area is rapidly advancing, with significant progress in multiple rail transit lines connecting Shenzhen, Dongguan, and Huizhou, forming a "one-hour traffic circle" [1] - The successful completion of the shield tunnel for the Shenzhen-Huizhou intercity line marks a completion rate of over 85%, laying a solid foundation for future connectivity [1] - Shenzhen is promoting three cross-city metro projects that will enhance rail connectivity between Shenzhen and Dongguan, facilitating access to key areas [1] Group 2 - The "Shenzhen-adjacent areas" in Dongguan and Huizhou have become focal points for Shenzhen investors, with improved transportation options enhancing the convenience of living in dual-city environments [2] - The rapid development of rail transit infrastructure is expected to expand the influence of major cities like Guangzhou and Shenzhen, extending public services and economic activities to surrounding areas [2] - The extension of rail lines is anticipated to reshape industrial layouts, with a focus on transportation hubs, creating a "Shenzhen R&D + Dongguan trial production" closed loop [2]

Group 1 - The "Two Major" projects are driving the acceleration of significant engineering projects across multiple regions, supported by macro policies aimed at expanding effective investment [2][3] - The Beijing Urban Sub-center Station, part of the "Two Major" projects, is progressing to the decoration phase and is expected to be completed by the end of 2025, enhancing connectivity to major airports and regions [2] - As of early April, the "Two Major" projects supported by ultra-long-term special bonds have attracted approximately 2.1 trillion yuan in social capital investment [3] Group 2 - In the first quarter, national investment exceeded expectations, with a strong growth momentum expected to continue in the first four months of the year [4] - The State Council approved new nuclear power projects, involving significant participation from private enterprises, with ownership stakes exceeding 10% [4]

Core Points - The main tower of the key project, the Shenchang Railway's main bridge across the Modao River, has been capped on May 11 [2][3][5] - The bridge is a 140-meter high cable-stayed bridge that spans the Modao River, located at the boundary between Zhongshan and Jiangmen cities [3][5][10] - The Shenchang Railway is an important part of China's "Eight Vertical and Eight Horizontal" high-speed rail network along the coastal corridor, with a total length of 116 kilometers starting from the Shenzhen Xili Station [3][10][12] - Upon completion, the railway will enable a one-hour travel time between Shenzhen and Jiangmen, connecting five cities: Shenzhen, Dongguan, Guangzhou, Zhongshan, and Jiangmen [5][10][12]

Core Points - The main tower of the Shencheng Railway's bridge over the Modao River has been capped, with the second tower expected to be capped by the end of June 2023, laying the groundwork for the line's completion by 2028 [1][4] - The Shencheng Railway spans 116 kilometers, connecting five cities in the Guangdong-Hong Kong-Macao Greater Bay Area, serving as a major intercity corridor in the Pearl River Delta [1][6] Project Details - The project, undertaken by China Railway Construction Bridge Bureau, has a total length of 23.72 kilometers, with the bridge comprising 100% of the project [2] - The main bridge measures 689.8 meters in length, with a main span of 320 meters, and is designed to cross a Class I navigation channel at a height of 140 meters [2] Construction Challenges - The construction of the main tower faced significant challenges, including high navigation standards, fast water flow, and limited working space, with a focus on high-altitude work risk management and temperature control for large concrete volumes [4][6] - The project implemented a "three-dimensional safety protection network" and utilized a fully enclosed intelligent tower construction system to enhance precision and stability, reducing high-altitude work risks by 50% [4][6] Technological Innovations - The project employed digital twin technology to simulate construction processes, optimizing construction plans and using intelligent monitoring systems to track stress, deformation, environmental parameters, and equipment status in real-time [4] - The maximum single concrete pouring volume reached 518 cubic meters, with temperature sensors installed to monitor temperature changes during the pouring process, effectively preventing cracks due to temperature stress [6] Economic Impact - The Shencheng Railway is a key project in the Greater Bay Area's "half-hour economic circle," enabling travel from Jiangmen to Shenzhen in under one hour and connecting with the Guangzhou-Shenzhen-Hong Kong Express Rail Link, which is crucial for developing a "railway-based Greater Bay Area" [6]

Group 1 - The Guangzhan High-Speed Railway is set to open within the year, reducing travel time from Guangzhou to Zhanjiang to 1.5 hours, enhancing connectivity in the Guangdong-Hong Kong-Macao Greater Bay Area [1][2] - The Guangzhan High-Speed Railway spans approximately 400 kilometers and will facilitate a direct link between major cities, promoting integrated development in the region [2] - The construction of the main station building at Foshan Station has been completed, laying a solid foundation for the railway's operational requirements [2] Group 2 - The Shenjiang Railway, a key intercity corridor in the Pearl River Delta, has completed the pile foundation construction for the first station, Henglan Station, marking significant progress in the project [3] - The Shenjiang Railway will connect Shenzhen to Jiangmen, covering a total length of 116.12 kilometers and featuring seven stations, significantly improving travel times within the region [3] - Upon completion, the Shenjiang Railway will enhance coastal connectivity and integrate with the Guangzhou-Shenzhen-Hong Kong High-Speed Railway, further promoting the Greater Bay Area's development [3] Group 3 - The construction of the Deep-Shan Station, a major railway hub connecting the Greater Bay Area to the eastern Guangdong region, has entered the above-ground structural phase [4][5] - Deep-Shan Station will serve as a strategic node for the Greater Bay Area, facilitating a "Shenzhen half-hour" and "Guangzhou 40 minutes" travel circle [5] - The station's construction is crucial for improving transportation capacity in the Deep-Shan Special Cooperation Zone and enhancing communication between the Greater Bay Area and eastern Guangdong [5]