转自：四川在线 靖博 四川在线记者 袁城霖 西渝高铁建成后将与成渝、郑渝、渝昆等高铁线路互联，西安至重庆的出行时间将大幅缩减，将推动中西部地区铁路路网结构进一步完善，极大便利沿线人 民群众出行，对推进乡村全面振兴、助力城乡融合和区域协调发展、推动西部大开发形成新格局，具有十分重要的意义。 万家山隧道斜井二衬。 （中铁六局西渝高铁康渝段站前四标项目部供图） 中铁六局西渝高铁康渝段站前四标项目部现场负责人说，建设团队按照"短进尺、弱爆破、强支护、勤量测"原则施工，引入拱架安装激光校准仪，大规模应 用衬砌智能浇筑振捣系统、智能养护台车等工装，利用先进技术手段精准预测瓦斯风险及浅埋区段落，采用台阶法开挖，为隧道安全施工、按时贯通奠定坚 实基础。 隧道进口。 随着万家山隧道顺利贯通，西渝高铁康渝段已贯通43座隧道，路基、桥梁、隧道等站前主体工程建设正有序推进。 记者2026年1月1日从京昆高速铁路西昆有限公司获悉，当天上午，位于达州市宣汉县境内的万家山隧道顺利贯通。这是西渝高铁康渝段贯通的首座超6公里 隧道，标志着西渝高铁建设取得新进展。 隧道贯通现场。 万家山隧道全长6465米，为单洞双线隧道，由中铁二院勘察设计、中 ...

西渝高铁赵家普里河特大桥位于重庆市开州区境内，全长1044米，共设27个墩台，是西渝高铁重庆境内 首座实现合龙的超千米特大桥。 西渝高铁是我国"八纵八横"高铁网北京至昆明的京昆通道和包头、银川至海口的包（银）海通道的重要 组成部分。 转自：贵州日报 12月27日，西安至重庆高速铁路（西渝高铁）赵家普里河特大桥完成最后一孔移动模架现浇梁浇筑作 业，实现全桥合龙。 新华/传真 （《西渝高铁赵家普里河特大桥合龙》由贵阳日报为您提供，转载请注明来源，未经书面授权许可，不 得转载或镜像。） 图为12月27日拍摄的西渝高铁赵家普里河特大桥建设现场（无人机照片）。 ...

全长4373米 西渝高铁城口隧道顺利贯通 中新网重庆12月24日电 (何蓬磊 张旭)记者24日从京昆高速铁路西昆有限公司获悉，由中铁十二局承建 的西渝高铁康渝段全线重难点工程——城口隧道于当日顺利贯通，标志着西渝高铁建设取得阶段性进 展，为全线按期通车奠定了坚实基础。 本文为转载内容，授权事宜请联系原著作权人 中新经纬版权所有，未经书面授权，任何单位及个人不得转载、摘编或以其它方式使用。 关注中新经纬微信公众号(微信搜索"中新经纬"或"jwview")，看更多精彩财经资讯。 西渝高铁是我国"八纵八横"高铁网北京至昆明的京昆通道和包头、银川至海口的包(银)海通道的重要组 成部分，路网地位十分重要。西渝高铁康渝段正线全长478公里，自安康西站起，经陕西省安康市，重 庆市城口县，四川省达州市、广安市，重庆市合川区、北碚区，引入重庆枢纽重庆西站。 西渝高铁建成通车后，将与已建成运营的多条高铁线路连通，推动中西部地区路网结构进一步完善，对 助力成渝地区双城经济圈建设、便利沿线民众出行、促进沿线经济社会高质量发展具有重要意义。(完) 来源：中国新闻网 编辑：熊思怡 广告等商务合作，请点击这里 图为西渝高铁城口隧道施工现场 ...

12月10日，由西成客专陕西公司建设、中铁十四局等单位承建的西渝高铁余家梁隧道正洞累计掘进 里程超过1万米，隧道建设进入最后冲刺阶段。 "我们将以'穿透式管理+网格化监督'相结合的方式，不断优化资源配置流程，常态化加强工序管 控，提升安全管理、质量管理的信息化、智能化水平，确保高铁建设目标顺利完成。"中铁十四局项目 负责人赵亚龙说。 西渝高铁是"八纵八横"高铁通道网中京昆、包（银）海通道的重要组成部分。建成通车后，西安至 重庆的铁路运行时间将从现在的6小时左右缩短至2.5小时左右，进一步完善中西部地区铁路路网结构， 促进沿线经济社会发展。（记者：董剑南） 施工过程中，项目团队严格执行"短进尺、弱爆破、强支护、勤量测、及时衬砌"方针，确保山岭隧 道施工安全、有序推进。为提升施工质量，技术团队推广应用多项"四小四新"技术，配置多功能开挖台 车，采用拱脚连接保护工装、拱架垂直度控制装置等工艺工装。此外，项目部创新实施"双洞长"负责 制，设立工点管理小组直管现场，24小时轮班盯控现场施工作业，提高施工效率。 西渝高铁北起西安，南至重庆，正线全长约739公里，设计时速350公里，是我国首条横穿大巴山腹 地的铁路，分西安 ...

Group 1 - The core viewpoint of the articles highlights the significant progress in railway construction in China, with a fixed asset investment of 753.8 billion yuan from January to November, representing a year-on-year increase of 5.9%, which supports high-quality economic development [1][2] - The China National Railway Group is focusing on serving national strategies and regional economic development, advancing railway planning and construction to build a world-class modern railway network [1] - Key railway projects are making substantial progress, including the opening of the Panxian to Xingyi high-speed railway, which boosts tourism and regional economic development, and the trial operation phases of several other high-speed rail lines [1][2] Group 2 - Ongoing construction projects are progressing smoothly, with construction units optimizing organization and enhancing safety, quality, and environmental protection [1] - Specific projects include the Yujialiang Tunnel of the Xiyu High-speed Railway, which has surpassed 10,000 meters in excavation, and the successful completion of the Hongwu High-speed Railway's major bridge [1][2] - The China National Railway Group plans to accelerate the construction of modern railway infrastructure, optimize construction resources, and ensure the completion of annual investment tasks to achieve the goals of the 14th Five-Year Plan [2]

这是12月7日拍摄的西渝高铁任河特大桥建设现场（无人机照片）。 12月7日，由中铁十二局承建的西渝高铁城口任河特大桥塔柱施工任务全部完成，全桥施工进度完成近七成，为西渝高铁全线按期贯通奠定了 基础。 城口任河特大桥位于重庆市城口县境内，为西渝高铁康渝段重难点工程，全长1180.52米。西渝高铁是我国"八纵八横"高铁网北京至昆明的京 昆通道和包头、银川至海口的包（银）海通道的重要组成部分，线路全长739公里，设计时速350公里。 12月7日，工人在西渝高铁任河特大桥建设现场施工作业。 12月7日，由中铁十二局承建的西渝高铁城口任河特大桥塔柱施工任务全部完成，全桥施工进度完成近七成，为西渝高铁全线按期贯通奠定了 基础。 城口任河特大桥位于重庆市城口县境内，为西渝高铁康渝段重难点工程，全长1180.52米。西渝高铁是我国"八纵八横"高铁网北京至昆明的京 昆通道和包头、银川至海口的包（银）海通道的重要组成部分，线路全长739公里，设计时速350公里。 新华社记者 唐奕 摄 12月7日，工人在西渝高铁任河特大桥建设现场施工作业。 12月7日，由中铁十二局承建的西渝高铁城口任河特大桥塔柱施工任务全部完成，全桥施工进度完成 ...

Core Points - The successful completion of the Wujialan No. 1 Tunnel on October 14 marks significant progress in the construction of the Chongqing hub section of the Xiyu High-Speed Railway [1][3]. Group 1: Project Overview - The Chongqing hub section of the Xiyu High-Speed Railway spans a total length of 24.13 kilometers, featuring 15 bridges and 10.5 tunnels [3]. - The Wujialan No. 1 Tunnel, which has been completed, is located in Tongjiacxi Town, Beibei District, Chongqing, and measures 385 meters in length [3]. Group 2: Strategic Importance - The Xiyu High-Speed Railway is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, specifically connecting the Beijing-Kunming corridor and the Baotou-Haikou corridor [4]. - Upon completion, the project is expected to significantly reduce the travel time between urban and rural areas along the route, contributing to the consolidation of poverty alleviation efforts, promoting rural revitalization, urban-rural integration, and regional coordinated development, thereby establishing a new pattern for the development of the western region [4].

Core Viewpoint - During the National Day and Mid-Autumn Festival holidays, construction on six high-speed rail projects in Sichuan continues without interruption, with over 30,000 workers dedicated to advancing the projects [1]. Group 1: Project Progress - The construction of the Xining to Chengdu high-speed railway has made significant progress, with the completion of the last box girder on the 12-kilometer Hequzi Bridge, marking a key milestone [3]. - The overall progress of the Sichuan section of the Xining to Chengdu railway is at 45%, with 6 out of 14 tunnels completed, 88% of bridge works finished, and 70% of the roadbed works completed [3]. - The Chengdu North Station expansion project is actively progressing, with all personnel on-site to ensure the second phase of the station renovation is executed smoothly [4]. Group 2: Construction Techniques and Innovations - The construction site of the Xuyou high-speed railway employs intelligent production lines, achieving standardization of processes, automation of equipment, and visualization of management [4]. - The Xuyou high-speed railway project has completed 407 box girder pre-casts and 329 girder installations, representing 65% and 53% of the total, respectively [4]. - The Yukun high-speed railway's construction is entering a critical phase, with 99% of box girder installations completed and all main tunnel and bridge works finished [6].

Core Points - The completion of the last arch rib installation for the Ankang Hanjiang Bridge marks significant progress in the construction of the Xiangyu High-speed Railway's Ankang-Chongqing section [1] - The Ankang Hanjiang Bridge, measuring 367.9 meters in total length with a main arch span of 290 meters, will be the largest single-span middle-support steel-concrete arch bridge in China's high-speed railway network upon completion [1] - The construction faced challenges, particularly in controlling the arch rib's line shape, which was addressed through a digital engineering management platform that integrated various monitoring systems to ensure precision [1] Industry Overview - The Xiangyu High-speed Railway spans 739 kilometers with a designed speed of 350 kilometers per hour, forming an essential part of China's "eight vertical and eight horizontal" high-speed rail network [1] - Once operational, the railway will connect with existing lines such as the Chengdu-Chongqing and Zhengzhou-Chongqing high-speed railways, enhancing the transportation network in the central and western regions of China [1]

Core Insights - The Xiyu High-speed Railway's Zhen'an Tunnel, constructed by China Railway Seventh Group, successfully completed its breakthrough on August 27, marking a significant milestone in the project [2] - The tunnel, located in Kaizhou District of Chongqing, spans 4,458 meters and is the first over 4-kilometer tunnel to be completed in the Kangyu section of the Xiyu High-speed Railway [2] - With this completion, a total of 34 tunnels have been successfully completed in the Kangyu section, achieving a tunnel completion rate of 47% [2] Industry Context - The Xiyu High-speed Railway is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, specifically the Jingkun and Baoyin coastal corridors [2] - The Kangyu section of the Xiyu High-speed Railway extends 478 kilometers, starting from Ankang West Station and passing through various regions including Ankang City in Shaanxi Province, and several districts in Chongqing and Sichuan Province, ultimately connecting to the Chongqing West Railway Hub [2]