9月10日凌晨，中铁二十四局建设者在浙江绍兴城际铁路柯桥站顶推横移换梁施工现场作业。 9月10日凌晨，工程技术人员在浙江绍兴城际铁路柯桥站顶推横移换梁施工现场关注设备运行情况。 9月10日凌晨，中铁二十四局建设者在浙江绍兴城际铁路柯桥站顶推横移换梁施工现场作业。 9月10日凌晨拍摄的浙江绍兴城际铁路柯桥站顶推横移换梁施工现场（无人机照片）。 9月10日凌晨，工程技术人员在浙江绍兴城际铁路柯桥站顶推横移换梁施工现场关注设备运行情况。 这是浙江绍兴城际铁路柯桥站顶推横移换梁施工前后对比的拼版照片（9月10日摄，无人机照片）。 9月10日凌晨，中铁二十四局工程技术人员在浙江绍兴城际铁路柯桥站顶推横移换梁施工控制中心调度指挥。 9月10日拍摄的已顺利完成顶推横移换梁施工的浙江绍兴城际铁路柯桥站（无人机照片）。 9月10日凌晨，工程技术人员在浙江绍兴城际铁路柯桥站顶推横移换梁施工现场指挥部实时关注工程进展。 ...

Core Viewpoint - The application of artificial intelligence (AI) in the replacement of railway bridge beams marks a significant advancement in China's railway infrastructure, providing a new solution for upgrading existing railways [1][4]. Group 1: Project Overview - The Shaoxing Intercity Railway, which utilizes the existing Xiaonong Railway, features the Keqiao Station as the first elevated intercity station added to an operational railway [1]. - The project involved replacing concrete beams in the "throat area" with steel box beams due to the expansion from 2 to 4 tracks, presenting high technical difficulty and safety risks [1]. Group 2: AI Technology Implementation - The project introduced an AI system based on digital twin technology, creating a 3D model with 40 high-precision sensing points to collect real-time data on beam posture, achieving millimeter-level accuracy [4]. - The AI system consists of three modules: perception, simulation, and control, enabling real-time monitoring, visual simulation of the construction process, and automatic correction of beam movements [4]. Group 3: Engineering Achievements - During the construction, a total of 4,086 tons of old beams were successfully removed, and 4,389.6 tons of new beams were installed, with height and horizontal deviations controlled within 2 mm and 3 mm, respectively [7]. - The project team collaborated with universities and research institutions to innovate construction processes and develop specialized equipment, significantly reducing the time required for beam pushing and lateral movement [7].

Group 1 - The core point of the article is the completion of the main bridge of the Yukun High-speed Railway, which is a significant milestone in the construction process [1] - The bridge construction, undertaken by China Railway Erju, has achieved a critical breakthrough with a bridge and tunnel ratio of 87.4% [1] - This achievement lays a solid foundation for the timely completion and operation of the entire Yukun High-speed Railway line [1]

Core Insights - The event showcased the "CRTSⅢ type slab ballastless track intelligent adjustment robot," which achieved a laying precision of ±0.5 mm and an average adjustment efficiency of 5 minutes per slab, significantly surpassing traditional manual methods [1][6] - The conference aimed to promote the application of intelligent construction technology and foster collaboration among various stakeholders in the railway industry, including experts from national railway companies and academic institutions [1][4] Industry Developments - The CRTSⅢ type slab ballastless track is a core technology independently developed in China, widely adopted in high-speed rail construction due to its strong structural integrity and ease of construction [6] - The intelligent adjustment robot is the first of its kind in the industry, integrating perception, decision-making, and execution capabilities, which enhances the efficiency and precision of track slab installation [6] - The company, Shandong Railway Investment Intelligent Technology Engineering Co., has focused on breakthroughs in intelligent construction and autonomous high-end equipment, achieving several technological advancements that meet international standards [6]

Group 1 - The successful electrification of the Xi'an Extension High-speed Railway marks a significant milestone in the construction process, enabling subsequent hot sliding tests and joint debugging [1][2] - The electrification involves connecting the entire power supply contact network to a high voltage of 27.5kV, which is 125 times the standard household voltage of 220V, providing continuous power for high-speed train operations [1] - The project involved meticulous verification of equipment parameters to ensure compliance with electrification standards, demonstrating the reliability of the entire power supply system [1][2] Group 2 - The Xi'an Railway Bureau, in collaboration with the Xi'an Extension Company and the China Railway First Survey and Design Institute, organized a meeting to develop a comprehensive electrification plan, ensuring safety and technical coordination [2] - The Xi'an Extension Company closely monitored key parameters such as voltage and current during the electrification process, confirming that all parameters met design requirements [2] - Prior to electrification, the China Railway Wuhan Electrification Bureau and the China Railway Electrification Bureau completed essential preparatory work, including the installation and testing of equipment, ensuring the safety and stability of the power supply system [2]

中铁第五勘察设计院充分考虑施工地点季节性冻土广泛分布的特点，增加桥梁结构的耐久性与经济 性，并选定"外绕城市+以桥代路"的设计方案，使桥梁占比高达84%，大幅减少黑土地资源占用。 "作为全线控制性工程，同江特大桥T梁架设量共计638片，全桥承台330个，墩柱328个，正按施工 计划有序推进。"中铁二十三局佳同铁路项目部副经理王晓辉表示，预计今年年底将完成313片T梁预制 及300片T梁架设任务，在2026年8月完成全部架设任务。 佳同铁路扩能改造工程建成投用后，将全面提升中欧班列"东通道"之一的同江口岸后方通道能力， 线路列车通过能力将提升3倍以上。（记者徐凯鑫、刘赫垚） 记者从中国铁路哈尔滨局集团有限公司获悉，9月5日，中欧班列"东通道"佳木斯至同江铁路扩能改 造工程建设迎来关键节点：随着汽车吊将一片长32米、重134.3吨的预制T梁精准落位在同江特大桥墩台 上，由中铁第五勘察设计院设计、中铁二十三局承建的佳木斯至同江铁路扩能改造工程同江特大桥进入 架梁施工阶段。 佳同铁路扩能改造工程西起佳木斯市东佳木斯站，终至同江北站，是一条以货运为主、兼顾客运的 干线铁路，改造线路全长258.25公里。此次进入架梁阶段 ...

Core Viewpoint - The article discusses the importance of transportation infrastructure in urban development, emphasizing the shift in focus from merely having transportation options to improving their quality and efficiency as cities evolve [2][5]. Group 1: Transportation Infrastructure Development - The Chinese government has released guidelines to promote high-quality urban development, highlighting the integration of urban clusters and metropolitan areas as a key task [2]. - The National Transportation Department reported that China's high-speed rail network, the largest globally, has achieved 81.5% completion, with operational mileage reaching 48,000 kilometers, covering over 97% of cities with populations exceeding 500,000 [4]. Group 2: Shift in Transportation Planning Focus - The core of urban transportation planning has transitioned from "whether there is" to "how good it is," focusing on enhancing service quality and capacity through denser networks and diverse travel options [5]. - The construction of "second high-speed rail" lines, such as the Beijing-Shanghai and Chengdu-Chongqing lines, aims to fill gaps in existing networks and improve service to smaller cities [5][6]. Group 3: Regional Transportation Planning - Specific projects like the second high-speed rail from Beijing to Shanghai will connect previously underserved areas, while the Chengdu-Chongqing line will significantly reduce travel time [6]. - The planning of the Guangzhou-Shenzhen second high-speed rail aims to connect major airports and address transportation gaps in urban areas [6]. Group 4: Multi-Dimensional Transportation Systems - Shanghai is exploring multi-modal transportation systems, integrating various rail forms to enhance cross-regional connectivity [7]. - The concept of using "three metrics"—land scale, economic density, and demand intensity—has been proposed for effective regional transportation planning [7][9]. Group 5: Economic and Technical Considerations - The article emphasizes that transportation planning should not solely focus on speed but also consider the economic feasibility and the specific needs of different regions [8][10]. - The potential application of magnetic levitation technology in Shanghai's new development areas is highlighted, with a focus on its ability to meet high-frequency commuter demands [11].

Group 1: Western Land-Sea New Corridor - The Western Land-Sea New Corridor's iron-sea combined transport has surpassed 1 million TEUs, reaching 1,001,455 TEUs, a year-on-year increase of 72.5% as of September 4 [2] - Since its launch in 2017, the corridor has expanded from a single route from Beibu Gulf Port to Chongqing to a comprehensive network connecting Beibu Gulf Port with major provinces in the western region of China [2] Group 2: World Intelligent Industry Expo - The 2025 World Intelligent Industry Expo opened in Chongqing on September 5, co-hosted by the governments of Chongqing and Tianjin [4] - The expo features over 600 domestic and foreign enterprises, with an indoor exhibition area of 130,000 square meters and an outdoor experience area of 40,000 square meters, showcasing more than 3,000 innovative achievements in the intelligent industry [4] Group 3: China-Europe Railway Express "East Corridor" - The construction of the Jiamusi to Tongjiang Railway expansion project, specifically the Tongjiang Grand Bridge, commenced on September 5 [6] - The bridge, designed by China Railway Fifth Survey and Design Institute and constructed by China Railway Twenty-Third Bureau, spans 10,435.14 meters and is a key project in the railway expansion, expected to be completed by August 2026 [6]

Core Viewpoint - The Hong Kong government is inviting industry submissions for the Hong Kong section of the Hong Kong-Shenzhen Western Railway, aimed at enhancing infrastructure connectivity in the Guangdong-Hong Kong-Macau Greater Bay Area and facilitating Hong Kong's integration into national development [1] Group 1: Project Overview - The Hong Kong-Shenzhen Western Railway will connect Hong Kong's Hung Shui Kiu with Shenzhen's Qianhai, with an estimated travel time of approximately 15 minutes, contributing to the creation of a "one-hour living circle" [1] - The railway will address local travel needs in areas such as Hung Shui Kiu/Xia Village New Development Area and Liu Po Shan, serving as a significant infrastructure project for the development of the Northern Metropolis [1] Group 2: Project Specifications - The Hong Kong section of the railway will be approximately 7.3 kilometers long, while the Shenzhen section will be about 10.8 kilometers, with the entire line constructed underground and featuring five stations [1] - A train depot will be located in Xia Village, and to enhance customs clearance convenience, a "one location, two inspections" port will be set up in Shenzhen, with no customs facilities in Hong Kong [1] Group 3: Project Timeline and Process - The government plans to advance the project through public tendering, with survey and design work having commenced mid-year, targeting to initiate the tender process in 2027 and complete construction by 2034 [1]

来源：中国新闻网 编辑：徐世明 中欧班列通道口岸段最长桥架梁 中新网佳木斯9月5日电 (记者 史轶夫)9月5日，同江特大桥进入架梁施工阶段，中欧班列"东通道"佳同 铁路扩能改造工程建设再提速。 佳同铁路扩能改造工程西起佳木斯市东佳木斯站，终至同江北站，是一条以货运为主，兼顾客运的干线 铁路，改造线路全长258.25公里。 此次进入架梁阶段的同江特大桥位于同江至同江北改建段，是全线"头号控制性工程"，桥梁全长 10435.14米，采用单线T梁结构设计，是中国目前中欧班列三大通道中口岸段最长新建桥梁。 设计单位中铁第五勘察设计院考虑施工地点季节性冻土广泛分布的特点，增加桥梁结构的耐久性与经济 性。同时，为节约中国重要商品粮基地——三江平原地区宝贵的黑土地资源，确定了"外绕城市+以桥 代路"的设计方案，该段桥梁占比高达84%，大幅节约土地资源占用，将对三江平原的生态扰动降至最 低。 "作为全线控制性工程，同江特大桥T梁架设量共计638片，按施工计划有序推进。"中铁二十三局佳同项 目负责人表示，预计今年年底将完成313片T梁预制及300片T梁架设任务。 目前，佳同铁路扩能改造工程已进入主体大干阶段。建成投用后，将全面 ...