中新网重庆1月4日电 (张旭)1月4日，由中铁十八局集团有限公司承建的新建重庆至万州高速铁路(以下 简称"渝万高铁")重难点工程——巴山村隧道顺利贯通。 图为渝万 高铁巴山村隧道建设现场。中铁十八局集团有限公司供图 巴山村隧道位于重庆市忠县境内，全长7306米，为单洞双线隧道，隧道地质条件极为复杂，有高瓦斯、 软弱围岩、岩溶等不良地质。 其中，在浅埋段，隧道洞顶距离基岩最小距离仅16米，且下穿公路和堆积体，围岩稳定性极差，开挖后 易风化、遇水软化，极易引发坍塌变形风险。 针对巴山村隧道地质复杂、风险点多的特点，项目团队采用了进口、1号斜井、2号斜井及横洞四个工区 同步组织施工。 为筑牢安全防线，项目团队安装自动化瓦斯监测报警系统，实时监测瓦斯等有害气体浓度、风速、温度 等关键指标，实现风险"早发现、早处置"，并严格执行超前地质预报制度，精准探明前方地质情况，提 前制定应对方案。 渝万高铁是中国"八纵八横"高铁网包(银)海、京昆通道的重要组成部分，线路起自重庆东站，途经南岸 区、巴南区等地，至万州区接入万州北站，正线全长251公里，设计时速350公里。 图为技术 人员在隧道内作业。中铁十八局集团有限公司供图 该 ...

巴山村隧道位于重庆市忠县境内，全长7306米，为单洞双线Ⅰ级高风险隧道，隧道地质条件极为复杂，集中了有害气体、软弱围岩、岩溶、高地温、高瓦斯 等多重不利因素，其中浅埋段洞顶距基岩界面最小距离仅16米，且下穿公路和堆积体，围岩稳定性极差，开挖后易风化、遇水软化，极易引发坍塌变形风 险。 8 11 Property 1 2000 2 / t 2017 S al play - N - 2 - 4 - 1 - 1 - 1 - 1 - perful e 01 -1 - 1 2007 0 A 11 77 e V 127 STERS t KS 10 STERN 160 n t 8 F 124 Royal 35 242 E / Blog And Contract Come l 27 针对隧道地质复杂、风险点多的特点，施工单位采用"进口、1号斜井、2号斜井及横洞"四个工区同步组织施工。施工中严格落实"管超前、严注浆、短开 挖、强支护、快封闭、勤量测"，确保了隧道顺利贯通。 2026年1月4日，新建重庆至万州高速铁路重难点工程—巴山村隧道安全顺利贯通，标志着渝万高铁建设取得重大突破，为全线按期通车奠定了坚实基础。 1 THE S ...

渝万高铁光裕寨隧道顺利贯通 中新网重庆12月5日电 (张旭)记者从中铁十一局获悉，12月5日，由该局承建的渝万高铁全线第二长隧道 ——光裕寨隧道顺利贯通，项目建设取得关键进展。 图为渝万高铁光裕寨隧道进口。张旭 摄 光裕寨隧道位于重庆市万州区，全长8575米，最大埋深约350米，系渝万高铁全线重难点控制性工程之 一。隧道穿越区段地质条件极为复杂，广泛分布缓倾岩层、软弱围岩等不良地质体，施工难度极大。 同时，该隧道还面临下穿既有交通干线的严峻挑战。其中，进口端下穿达万铁路，出口端下穿G42沪蓉 高速，立交处隧道结构距路基面最小净距仅19米，施工管控要求极高。 面对复杂地质环境，中铁十一局项目团队采用"中部斜井+出口横洞"辅助坑道方案，实现长隧短打、高 效推进目标。 施工过程中，项目团队创新应用多项先进工艺攻克地质难题：进口下穿段采用控制爆破与非爆结合的两 台阶开挖法，出口下穿段实施非爆三台阶开挖，同步优化光面爆破工艺。此外，工作人员还通过全程跟 班作业、动态调整参数，显著降低围岩扰动，有力保障既有线路安全。 图为隧道贯通点。中铁十一局供图 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 ...

据渝万高铁项目建设负责人介绍，项目全程实现从钢筋绑扎、混凝土养护到成品检测的全过程数智 化管理。另外，龙门吊设备配备视频监控、红外限位等智能装置，使箱梁生产全流程可追溯、风险可 控。 目前，渝万高铁正全面推进架梁、无砟轨道铺设等后续工程。随着各项建设任务稳步向前，这条连 接重庆都市核心区与万州的重要高铁干线，正加速驶向通车目标。建成后，将进一步带动沿线经济社会 发展，助力成渝地区双城经济圈建设、长江经济带发展等国家战略实施。 新华社重庆11月24日电（记者黎华玲、陈诚）作为国家"八纵八横"高铁网包（银）海、京昆通道组 成部分，新建重庆至万州高速铁路（渝万高铁）23日迎来工程建设新进展。由中铁十一局承建的渝万高 铁万州响水镇制梁场当天完成全部301榀箱梁预制任务，为后续架梁和无砟轨道铺设奠定关键基础，标 志着渝万高铁项目建设取得阶段性成果。 渝万高铁正线全长251公里，设计时速350公里，是我国西南地区正在推进的高速铁路项目。线路建 成通车后，重庆主城至万州铁路运行时间将缩短至1小时以内，并与渝西、郑万高铁共同形成全线350公 里时速的高标准京昆通道。 ...

Core Points - The Chongqing-Wanzhou High-Speed Railway's Shitou Yangtze River Bridge has entered the combined beam construction phase, marking a significant milestone for the project [1] - The bridge will set four world records upon completion, including the world's first combined rail and road double-tower and the highest double-tower at 253 meters [3] - The construction employs advanced technology, including a "digital twin + intelligent monitoring" system, ensuring high precision in installation [3] Summary by Sections - **Project Significance** - The completion of the Chongqing-Wanzhou High-Speed Railway will reduce travel time between Chongqing and Wanzhou to under one hour, greatly facilitating travel for local residents [4] - The project supports national strategies such as the Chengdu-Chongqing Economic Circle and the Yangtze River Economic Belt, promoting economic and social development along the route [4] - **Technical Details** - The Shitou Yangtze River Bridge has a main span of 608 meters, making it the largest combined rail and road mixed beam cable-stayed bridge in the world [3] - The steel combined beam segment being installed measures 9.625 meters in length, 23.6 meters in width, and 4.514 meters in height, weighing approximately 550 tons [3] - The construction utilizes 32 high-precision sensors to collect real-time data on stress and displacement, achieving installation accuracy within 3 millimeters [3]

据介绍，渝万高铁是我国"八纵八横"高铁网包（银）海、京昆通道的组成部分。线路起自重庆东站，途经重庆南岸区、巴南区、涪陵区、丰都县、忠县至万 州区，接入万州北站。项目建成通车后，重庆中心城区至万州的铁路运行时间将缩短至1小时内，极大便利沿线群众出行，助力沿线经济社会发展。 （总台记者 李洪淼 刘雨） 为保证施工安全，施工方中铁十一局构建了"人员定位+衬砌防脱空监测+智能应急预警"闭环体系。同时，全面实施安全穿透式管理，以责任穿透为核心， 分层级划分管理网格，明确各层级安全职责，层层压实全员管理，保障现场作业安全平稳，精准优化短台阶工法参数，搭配全幅液压仰拱栈桥实现四级围岩 开挖进尺每月120米。 9月21日，渝万高铁苏家坪隧道、塔平村隧道同日实现安全顺利贯通，标志着渝万高铁建设全面进入冲刺阶段，为全线按期通车奠定了坚实基础。 当天上午9时，随着最后一次爆破，苏家坪隧道顺利贯通。1小时后，塔平村隧道也实现安全贯通。两座隧道均为新渝万高铁的关键节点： 塔平村隧道全长3484米，为首批标准化示范工点之一，Ⅳ级围岩段落占比92.3%，需应对缓倾岩层、夹石膏泥岩等不良地质； 苏家坪隧道全长6655米，最小埋深19米，穿越 ...

Core Points - The Chongqing-Wanzhou High-Speed Railway (Yuwan High-Speed Railway) has successfully completed the construction of the Quxi River Double-Line Bridge, a significant milestone in the project [2][4][6] - The bridge, located in the Fuling District of Chongqing, spans approximately 953 meters and is considered a key challenging project along the railway line [8][10][12] - The Yuwan High-Speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, with a total length of 251 kilometers and a designed speed of 350 kilometers per hour [2][4][6]

Core Viewpoint - The successful completion of the Quxi River Double-Line Bridge marks a significant milestone for the Chongqing-Wanzhou High-Speed Railway, laying a solid foundation for the timely operation of the entire line [1][3] Group 1: Project Details - The Quxi River Double-Line Bridge spans approximately 953 meters and is considered a key challenging project along the railway [1] - The Chongqing-Wanzhou High-Speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, connecting major regions [1] - The railway line starts from Chongqing East Station and extends 251 kilometers to Wanzhou North Station, with a designed speed of 350 kilometers per hour [1] Group 2: Economic and Social Impact - The completion of the project will significantly enhance the connectivity between the urban clusters in the northeastern Sichuan Three Gorges Reservoir area and the main urban area of Chongqing [3] - It will greatly facilitate travel for local residents and promote economic and social development along the route [3] - The project is crucial for implementing the strategic development of the Chengdu-Chongqing economic circle and for the coordinated development of the "Belt and Road" initiative and the Yangtze River Economic Belt [3]

Core Points - The completion of the last segment of the New Bridge Double-Line Super Bridge marks a significant milestone for the Chongqing-Wanzhou High-Speed Railway, ensuring the bridge's readiness for timely operation [1][3] - The bridge, designed by China Railway Erju and constructed by China Railway Construction Bridge Bureau, spans 1848 meters and features a maximum pier height of 100 meters [3] - The innovative structure of the 64-meter prefabricated segmental beam, consisting of 17 segments, simplifies construction and enhances safety and reliability compared to traditional methods [5] - The Chongqing-Wanzhou High-Speed Railway is part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, facilitating economic development and connectivity in the region [7]

Core Points - The Chongqing-Wanzhou high-speed railway has achieved a significant milestone with the successful completion of the Pingdingqiu Tunnel, which is over 8 kilometers long, ahead of schedule by 152 days [1] - The Chongqing-Wanzhou high-speed railway is a crucial part of the national "eight vertical and eight horizontal" high-speed rail network, specifically the Jing-Kun and Bao (Yin) corridors, as well as an important addition to the Chongqing "grid" high-speed rail network [1] - Once completed, the railway will reduce travel time from downtown Chongqing to Wanzhou District to under one hour, greatly facilitating travel for local residents and promoting economic and social development along the route [1]