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]