通讯员 刘陈永 汪涛 齐鲁晚报·齐鲁壹点 于洋 在刚刚过去的2025年里，龙烟铁路市域化改造工程进入主体工程全面建设期。去年5月15日，龙烟铁路 市域化改造项目跨荣乌高速特大桥首个墩柱顺利完成浇筑，为后续桥梁上部结构施工奠定坚实基础。9 月24日，上跨荣乌高速公路特大桥首孔预制T梁架设完成。10月22日，由该局承建的龙烟市域化改造工 程首座连续梁——臧家特大桥64m连续梁顺利浇筑完成。目前，全线路基工程完成42.4%；桥涵工程完 成67.8%；隧道工程完成22.5%；房建、四电工程施工正平稳有序推进。 从中铁四局龙烟市域铁路2标项目部获悉，1月6日上午，经过连续5小时奋战，龙烟铁路市域化改造控制 性工程跨荣乌高速特大桥（52+88+52）m连续梁顺利合龙。这标志着，该工程首座悬臂现浇连续梁合 龙，项目建设实现新突破，向打通全线运架梁通道更进一步。 龙烟铁路市域化改造工程是山东省重点铁路交通项目，也是山东省首条市域铁路。今年是该工程建设的 关键年，路基、隧道和桥梁施工都将加速推进，确保2027年9月30日完工。未来将开行市域公交化列 车，打通烟台东西向快速公共交通通道，服务沿线通勤、机场、轮渡和旅游客流，届时， ...

Core Insights - The article highlights a significant surge in urban rail transit construction across multiple cities in China, with cities like Guangzhou, Chengdu, and Hangzhou leading the way in expanding their metro systems [1][2][3] Group 1: Urban Rail Transit Developments - Chengdu's Metro Line 13 Phase 1 is set to open soon, contributing to the city's total metro operational mileage exceeding 750 kilometers by the end of the year, with a daily passenger volume of over 6 million [1] - Guangzhou has reached a milestone of over 700 kilometers of metro lines, with five lines currently under construction and the successful acceptance of the Guangqing intercity railway southern extension [2][4] - Hangzhou is making progress on its Metro Phase IV project, with multiple lines under construction and plans for Phase V advancing steadily [1][2] Group 2: Growth Leaders in Metro Mileage - Guangzhou and Ningbo are tied for the most new metro mileage added this year, each with 67.2 kilometers, while Tianjin and Chengdu follow closely [3] - Shenzhen is also on track to expand its metro system significantly, with six new lines totaling 39.48 kilometers expected to be operational by year-end, aiming to reach 634.6 kilometers in total [6] Group 3: Future Prospects and Challenges - The construction of intercity and suburban railways is becoming a focus for major cities, with Guangzhou's new lines comprising nearly half of its new projects being intercity railways [6][8] - Cities like Chengdu and Shenzhen are also planning to enhance their suburban rail networks, indicating a shift towards a more integrated transportation system [7][8] - However, cities like Ningbo are facing challenges in advancing their new construction plans due to insufficient passenger flow and regulatory requirements [11]

Core Viewpoint - The construction of the Longkou to Yantai Railway urbanization project has entered the superstructure construction phase, with the completion of the first pre-cast T-beam, marking a significant advancement in the project timeline [1][3]. Group 1: Project Overview - The Longkou to Yantai Railway is a rapid railway connecting Longkou City and Yantai City in Shandong Province [3]. - The first T-beam installed measures 32.6 meters in length and weighs 134.3 tons, utilizing a specialized DJ180 type bridge crane for the installation [3]. - The project incorporates advanced technology, including a bridge crane posture monitoring system and a collision radar system to enhance safety and efficiency during construction [3][5]. Group 2: Project Specifications - The railway spans a total length of 46.6 kilometers, with 10.52 kilometers of new bridges and 9.04 kilometers of tunnels, resulting in a bridge and tunnel ratio of 41.6% [5][6]. - The project will establish six new stations and renovate four existing stations, with completion expected by the end of September 2027 [6]. Group 3: Economic and Social Impact - The railway will significantly reduce travel time between Yantai Station and the airport station to approximately 25 minutes, enhancing public transport connectivity [8]. - It aims to facilitate commuter traffic, airport passengers, ferry traffic, and tourism, thereby playing a crucial role in improving the regional transportation network and promoting economic and social development in Yantai [8].

24日上午10点多，上跨荣乌高速公路特大桥首孔预制T梁开设架设 据介绍，本次架设的首孔T梁位于龙烟铁路市域化改造工程施工2标段，该孔梁长32.6米，单片梁重134.3吨，采用DJ180型公铁两用架桥机架设。这款架桥 机是集提梁、运梁、架梁功能于一体的专用设备，能够实现机械化、自动化作业，工序衔接紧密，架梁速度、安全系数和经济性均远优于传统工艺，适用 于后续多跨长桥的规模化施工。项目建设团队坚持创新引领、技术先导，引入了架桥机整机姿态监控系统，可同步显示机身水平稳定度和实时工况，实现 远程影像反馈，并加装防碰撞雷达系统，能实时监测周边30米内障碍物，确保架梁工程安全高效推进。 齐鲁晚报.齐鲁壹点钟建军王琳杜晓丹通讯员郝宝锋尹常铭 9月24日上午，上跨荣乌高速公路特大桥首孔预制T梁架设完成。这意味着由山东铁投集团和烟台市共同投资建设的龙烟铁路市域化改造工程，全面进入 上部结构施工阶段，项目建设按下加速键。 龙烟铁路市域化改造工程位于烟台市境内，是山东省重点铁路交通项目。工程利用烟台市内既有龙烟铁路、蓝烟铁路富余能力进行市域化改造，东起烟台 站，西至烟台西站，通过新建蓬莱国际机场支线在烟台西站接轨，连通蓬莱机场站， ...

Core Points - The article discusses the ongoing construction of urban railways in Deqing, Zhejiang Province, highlighting the active track-laying efforts in the region [1][3] Group 1 - The urban railway project in Deqing is a significant infrastructure initiative aimed at improving local transportation [1] - The construction activities are currently focused on track-laying, indicating progress in the project's development [3]

浙江宁波：市域铁路象山港跨海大桥建设正酣【4】 浙江宁波：市域铁路象山港跨海大桥建设正酣【5】 浙江宁波：市域铁路象山港跨海大桥建设正酣【6】 浙江宁波：市域铁路象山港跨海大桥建设正酣【2】 浙江宁波：市域铁路象山港跨海大桥建设正酣【3】 浙江宁波：市域铁路象山港跨海大桥建设正酣 ...

浙江德清：杭德市域铁路错峰施工保进度【4】 浙江德清：杭德市域铁路错峰施工保进度【5】 浙江德清：杭德市域铁路错峰施工保进度 浙江德清：杭德市域铁路错峰施工保进度【2】 浙江德清：杭德市域铁路错峰施工保进度【3】 ...