中铁第四勘察设计院桥梁院副总工王鹏宇介绍，针对道岔区连续梁改造的特殊结构和受力特点，项目团 队建立了高精度有限元分析模型，实现全过程模拟仿真。绍兴城际铁路上的这次"移旧换新"，也是国内 首例道岔连续梁换梁工程，填补了道岔区改造领域的空白。 （文章来源：科技日报） 记者从中国铁建股份有限公司获悉，10日凌晨，在浙江绍兴城际铁路柯桥站施工现场，总重4000余吨的 钢箱梁应用人工智能（AI）实现毫米级精准落位，标志着国内首次在运营铁路桥梁上尝试应用AI技术 换梁取得阶段性成果，为我国既有铁路改造升级提供了新方案。 中铁二十四局柯桥站项目经理潜英飞介绍，项目引入AI系统，依托数字孪生技术构建三维模型，通过 40个高精度传感点实时采集梁体姿态数据，实现毫米级精度准确感知。该AI系统由感知、仿真、控制 三大模块组成。感知模块相当于眼睛，集成光栅、拉线传感器、应变片及北斗定位等先进技术，实时监 测梁体沉降、应力与位移；仿真模块用于推演，通过数字孪生平台可视化模拟施工全过程；控制模块依 托智能算法预测梁体运动趋势，自动纠偏并同步操控36个顶升千斤顶和10个水平顶推千斤顶，开创了铁 路多跨桥梁快速更换施工先例。 ...

Core Viewpoint - The construction of the Wenzhou-Fuzhou High-Speed Railway is set to begin on September 30, marking a significant advancement in the project timeline and enhancing connectivity between key economic regions in China [2][5][6]. Group 1: Project Overview - The Wenzhou-Fuzhou High-Speed Railway will connect Wenzhou and Fuzhou, featuring a total length of 302.4 kilometers and a total investment of approximately 897 billion yuan [5][6]. - The railway will be a double-track electrified passenger line with a design speed of 350 km/h, significantly reducing travel time between Wenzhou and Fuzhou from nearly 2 hours to about 1 hour [6][8]. - The project includes 11 stations, enhancing regional accessibility and integration [6]. Group 2: Economic and Strategic Importance - The Wenzhou-Fuzhou High-Speed Railway is a crucial segment linking the Yangtze River Delta and the Guangdong-Hong Kong-Macao Greater Bay Area, expected to stimulate economic growth and collaboration between these regions [6][9]. - The project aligns with national strategies to promote coordinated development in the southeastern coastal areas, enhancing the flow of people, goods, and information [9][10]. - The railway is part of the national comprehensive transportation network, contributing to the development of modern urban clusters and metropolitan areas [9][10]. Group 3: Infrastructure Development - The construction of the Wenzhou East Hub, a major transportation complex, will integrate multiple transport modes, including air, high-speed rail, and urban transit, facilitating urban spatial structure upgrades [11][13]. - The Wenzhou East Hub is positioned as a key component of the urban center, supporting regional industrial development and enhancing the city's connectivity [11][13]. - The project is included in the "Hundred Projects, Thousand Billion" major construction list for Wenzhou, indicating strong governmental support for infrastructure development [13]. Group 4: Future Prospects - The Ningbo-Taizhou-Wenzhou High-Speed Railway, which is expected to connect with the Wenzhou-Fuzhou line, is still in the early planning stages, with future development contingent on the completion of the Wenzhou-Fuzhou project [14]. - Continued communication with the National Railway Group is planned to expedite the initiation of the Ningbo-Taizhou-Wenzhou project [14].

9月7日，中交一公局集团宜昌三峡疏港铁路项目赵家坪特大桥桩基施工全部完成，标志着项目重要控制 性工程取得阶段性进展。 宜昌三峡疏港铁路项目是完善长江三峡综合交通运输体系、构筑三峡物流中心水铁联运系统、延伸国家 铁路网覆盖范围的重要交通设施，建成后，将有效延伸国铁路网覆盖范围，对缓解长江航运瓶颈具有重 要的政治和经济意义。（来源：中交一公局七公司 作者：杨晓旭） 宜昌三峡疏港铁路项目承建线路全长11.99公里，主要包括桥梁8座、隧道3座、涵洞3道、站场1座，桥 隧比为86%。赵家坪特大桥主要跨越了虎周公路、桥边河、西陵快速路等控制点，桥梁与既有宜万铁路 并行，最小线间距13.21米。项目将邻近营业线施工安全摆在首位，严格执行"管理前置、计划先行"策 略，积极与铁路部门沟通协调，办理涉路施工手续以及计划提报等事宜，确保施工计划与现场施工组织 衔接有序、高效协同。 ...

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。 ...

记者从中国铁建股份有限公司获悉，9月10日凌晨，在浙江绍兴城际铁路柯桥站施工现场，总重4000余吨的钢箱梁应用人工智能（AI）实现毫米级精准落 位，标志着国内首次在运营铁路桥梁上尝试应用AI技术换梁取得阶段性成果，为我国既有铁路改造升级提供了新方案。 绍兴城际铁路是利用既有萧甬铁路改造而成的跨市区域城际铁路，其中柯桥站是该线新建车站，也是国内首个在运营铁路上增设的高架城际车站。因该站由 2股道增加为4股道，需将"咽喉区"混凝土梁更换为钢箱梁。同时，该工程位于铁路干线，技术难度大、安全风险高、施工环境复杂，传统工艺难以满足要 求。 中铁二十四局柯桥站项目经理潜英飞介绍，项目引入AI系统，依托数字孪生技术构建三维模型，通过40个高精度传感点实时采集梁体姿态数据，实现毫米 级精度准确感知。该AI系统由感知、仿真、控制三大模块组成。感知模块相当于眼睛，集成光栅、拉线传感器、应变片及北斗定位等先进技术，实时监测 梁体沉降、应力与位移；仿真模块用于推演，通过数字孪生平台可视化模拟施工全过程；控制模块依托智能算法预测梁体运动趋势，自动纠偏并同步操控36 个顶升千斤顶和10个水平顶推千斤顶，开创了铁路多跨桥梁快速更换施工先例 ...

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 ...

转自：新华财经 新华财经上海9月5日电 （谷青竹） 交通干线是基础设施的"骨架"，更是撬动城市空间拓展、产业联动发展的"杠杆"，直接决定城市群与都市圈融通共进的 效率。日前，《关于推动城市高质量发展的意见》发布，将"稳妥有序推动城市群一体化和都市圈同城化发展"列为关键任务，进一步为未来城市擘画了发展 路线图。在此背景下，交通基建当如何规划，以精准适配区域协同发展目标？带着这一问题，新华财经专访了同济大学交通学院教授陈小鸿，以长三角为样 本，解码区域交通规划的底层逻辑与未来路径。 新线路："有没有"转向"好不好" 今年7月，国家交通运输部表示，我国已建成全球最大的高速铁路网——"八纵八横"高铁网已建成投产81.5%，高铁营业里程达4.8万公里，占世界高铁总里 程的70%以上，覆盖全国97%的50万以上人口城市。 陈小鸿认为，随着高铁网络整体框架基本成形，城市群都市圈轨道交通规划的核心已从"有没有"转向"好不好"。以加密网络覆盖、丰富出行选项来提升交通 服务质量与能力，成为现阶段补短板的关键。 这一判断，正体现在超大城市纷纷布局的"第二高铁"建设中：除了已全线动工的京沪第二高铁、成渝中线高铁，7月30日广深第二高 ...