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 ...

Core Viewpoint - The successful completion of the contact network hot sliding test for the Pan-Xing High-Speed Railway marks a significant step towards the railway's commissioning and operational readiness [1][2]. Group 1: Test Completion - The hot sliding test was successfully completed on September 5, 2023, with the test train arriving at the Xinyi South Station [1]. - The contact network was energized successfully on September 5, 2023, at 0:30 AM, allowing the hot sliding test to proceed [1]. Group 2: Importance of the Test - The hot sliding test is a critical step before the joint debugging and testing of electrified railways, ensuring the stability and reliability of the power supply system [2]. - The test involved precise measurements of the contact network voltage and the relationship between the contact wire and the pantograph, confirming that the equipment meets the conditions for joint debugging and testing [2]. Group 3: Project Significance - The Pan-Xing High-Speed Railway, approximately 98 kilometers long with a design speed of 250 km/h, is the last project needed for Guizhou Province to achieve its goal of "high-speed rail connectivity for every city" [4]. - Upon completion, the railway will enable travel from Guiyang to Xinyi in 2 hours, creating a high-speed rail traffic circle within 1 to 2 hours to eight central cities in the province, significantly enhancing regional connectivity and economic development [4].

Core Viewpoint - The successful completion of the hot sliding test for the Panxiong High-speed Railway marks a significant milestone, indicating that the line is ready for further testing and eventual operation, which will enhance regional connectivity and economic development in Guizhou Province [1] Group 1: Project Details - The hot sliding test was conducted on September 5, with the test train arriving at Guizhou Xingyi South Station, confirming that the railway line meets basic operational conditions [1] - The test involved the train operating at low, medium, and high speeds, with all parameters and performance indicators meeting expected standards, and the traction power supply system passing inspection [1] Group 2: Economic and Regional Impact - The Panxiong High-speed Railway is the final project needed for Guizhou Province to achieve its goal of "high-speed rail access to every city," significantly reducing travel time from Guiyang to Xingyi to 2 hours [1] - The completion of this railway will create a high-speed rail traffic circle of 1 to 2 hours connecting Guiyang to eight central cities in the province, which is crucial for improving the regional railway network and promoting local economic development [1]

Core Viewpoint - The construction of the Xuanhuan Bridge for the Shanghai-Chongqing-Chengdu High-Speed Railway over the Beijing-Hangzhou Grand Canal in Yangzhou, Jiangsu, is currently in full swing [1][2][3][4]. Group 1 - The Xuanhuan Bridge is a significant infrastructure project aimed at enhancing connectivity along the high-speed railway network [1][2]. - The construction progress is reported to be robust, indicating a strong commitment to completing the project on schedule [3][4].

Core Viewpoint - The completion of the contact network installation for the Xi'an to Yan'an high-speed railway marks a significant milestone, facilitating future power supply and testing for the entire line [1] Group 1: Project Overview - The Xi'an to Yan'an high-speed railway is the first high-speed rail in the revolutionary old area of northern Shaanxi and is a crucial part of the national high-speed railway network [1] - The railway, with a total length of 299.8 kilometers, is designed for a double-track high-speed railway with a maximum speed of 350 kilometers per hour [1] Group 2: Economic and Social Impact - Once operational, the travel time from Xi'an to Yan'an will be reduced from 2.5 hours to approximately 1 hour, enhancing the regional advantages of Shaanxi province and its position in the national railway network [1] - The project is significant for the revitalization of rural areas in revolutionary old regions and contributes to the optimization of the national high-speed railway layout [1]

Core Points - The Xiong'an to Shangqiu High-Speed Railway (referred to as Xiongshang High-Speed Railway) has officially entered the track-laying phase as of September 1 [2] - The total length of the main line is 552 kilometers, with a design speed of 350 kilometers per hour [2] - The railway consists of three segments: 258 kilometers in Hebei, 269 kilometers in Shandong, and 25 kilometers in Henan [2] - Track-laying operations have commenced simultaneously from the Hebei section's Hejian track-laying base and the Shandong section's Yuncheng track-laying base [2]