项目名片 高铁天府站 项目概况 作为四川最大的高铁TOD站，天府站拿下了全国铁路站房"肋环型大开洞单层网壳结构"等多项工程的"首例"。站房面积大且造型复杂，给施工带来了许多难 度，如何迎难而上，冲刺今年建成目标？ 精筑"凤凰之眼"，天府站冲刺外立面收官 天府站位于成都市，是成达万高铁起始站点，总建筑面积约61.2万平方米，是四川面积最大的铁路站房。其中，站场总规模为12台22线，车站分为地上3 层、地下2层。 项目进展 顶面安装与站内建设进入收尾阶段，下一步将启动装修工作，整个车站将于2026年建成。 建设中的天府站 川观新闻记者 寇敏芳 "看，'凤凰'已经飞上屋顶了！"1月4日，2026年的第一个工作日，记者走进正在施工的天府站站房，抬头望去，工人们正在安装候车大厅室内吊顶，一根长 约260米的凤凰羽毛造型在空中渐显雏形。 这是600余名建设者连续奋战1个多月的结果。预计本月底将完成外立面幕墙等建筑围护结构及室内大吊顶安装工作，为后续内部装修及机电安装奠定基础。 走近天府站施工现场，就可以听到叮叮当当的施工声，大型吊车、材料运输车络绎不绝。 在一旁的效果图上，记者看到了天府站未来竣工的模样。站房以"筑巢引凤 ...

●成达万高铁预计2027年建成通车，届时成都至上海、北京的旅行时间将缩短至7小时以内 12月28日，新建成都至达州至万州高速铁路（简称成达万高铁）重点工程——光明隧道贯通。目前，全线隧 道工程设计136座、贯通132座，已进入无砟道床、站房工程和四电工程施工阶段。 光明隧道位于四川省开江县和重庆市开州区境内，处于连通川渝的关键节点，全长超8公里，设计时速350公 里，为单洞双线低瓦斯隧道。全隧岩体破碎，围岩稳定性差，存在突泥涌水、瓦斯及有害气体超限等高危因素， 作业环境复杂、施工难度大、安全风险高。项目管理团队采用安全等级更高的煤矿专用炸药和数码雷管进行爆 破，同时在隧道内增强通风、监测等手段，多维度、全方位保障隧道施工安全。此外，施工中采用多种智能化工 装设备，提升施工效率。 "隧道建设用了3年多。"成达万高铁公司达州建设指挥部指挥长张宗伟介绍，600余名建设者在4个工作面同步 施工，成功攻克隧道突泥涌水、瓦斯及有害气体超限等诸多困难。目前，成达万高铁全线路基工程完成约4600万 立方米、占比达98.87%，桥梁桩基、承台、墩身全部完成，4座转体桥已完成3座。 12月28日，成达万高铁光明隧道贯通。成达万高 ...

成达万高铁是我国"八纵八横"高铁网沿江通道重要组成部分，线路西起四川省成都市天府站，途经四川省资阳 市、遂宁市、南充市、达州市及重庆市开州区、万州区，接入既有郑渝高铁万州北站。该线路预计2027年建成通 车，届时成都至上海、北京的旅行时间将缩短至7小时以内。 ●目前，全线隧道工程设计136座、贯通132座，已进入无砟道床、站房工程和四电工程施工阶段 光明隧道位于四川省开江县和重庆市开州区境内，处于连通川渝的关键节点，全长超8公里，设计时速350公里， 为单洞双线低瓦斯隧道。全隧岩体破碎，围岩稳定性差，存在突泥涌水、瓦斯及有害气体超限等高危因素，作业 环境复杂、施工难度大、安全风险高。项目管理团队采用安全等级更高的煤矿专用炸药和数码雷管进行爆破，同 时在隧道内增强通风、监测等手段，多维度、全方位保障隧道施工安全。此外，施工中采用多种智能化工装设 备，提升施工效率。 "隧道建设用了3年多。"成达万高铁公司达州建设指挥部指挥长张宗伟介绍，600余名建设者在4个工作面同步施 工，成功攻克隧道突泥涌水、瓦斯及有害气体超限等诸多困难。目前，成达万高铁全线路基工程完成约4600万立 方米、占比达98.87%，桥梁桩基、承台 ...

转自：四川在线 四川在线记者 寇敏芳 12月28日，新建成都至达州至万州高速铁路（以下简称：成达万高铁）重点工程——光明隧道顺利贯通。目前，全线隧道工程设计136座，贯通132座，完成 占比近97%，全线已进入无砟道床、站房工程和四电工程施工阶段。 隧道贯通现场 中铁北京局成达万高铁指挥部指挥长陈双秦介绍，为应对煤层中蕴含的瓦斯和硫化氢等有害气体，项目管理团队采用安全等级更高的煤矿专用炸药和数码雷 管进行爆破，同时在隧道内增强通风、监测等手段，多维度、全方位保障隧道施工安全。此外，施工中还采用了多种智能化工装设备，提升施工效率，显著 降低劳动强度，确保了项目施工安全质量目标全面达优。 成达万高铁 成达万高铁光明隧道位于四川省开江县和重庆市开州区境内，恰好处于连通川渝的关键节点，全长超过8公里，设计时速350公里，为单洞双线低瓦斯隧道。 全隧岩体破碎，围岩稳定性差。同时，隧道存在突泥涌水、瓦斯及有害气体超限等高危因素，作业环境复杂，施工难度大，安全风险高。 隧道贯通 "隧道建设，我们用了3年多时间。"成达万高铁公司达州建设指挥部指挥长张宗伟介绍，600余名建设者分成四个工作面同步施工，成功攻克隧道突泥涌水、 瓦 ...

Core Points - The Chengda-Wanzhou High-Speed Railway (成达万高铁) has successfully completed the key construction milestone of the Quxi River Grand Bridge, which is a significant step towards its completion [3] - The bridge is the world's largest double-track high-speed railway prestressed concrete low-tower cable-stayed bridge, with a main span of 278 meters and a total length of 557.5 meters [3] - The construction team utilized innovative techniques such as the "suspension method" and conducted the final segment during nighttime to minimize temperature-induced structural deformation [3] Construction Progress - The Quxi River Grand Bridge is part of the challenging "4 tunnels and 4 bridges" control project along the Chengda-Wanzhou High-Speed Railway [3] - Currently, 130 out of 136 tunnels along the railway have been completed, with bridge construction at 86% and roadbed construction at 96% [3] - The project is now entering the phases of ballastless track, station building, and electrical engineering [3]

Core Viewpoint - The successful completion of the Quxiang Grand Bridge marks a significant milestone for the Chengdu-Dazhou-Wanzhou high-speed railway project, enhancing the infrastructure of China's high-speed rail network [1] Group 1: Project Details - The Quxiang Grand Bridge, constructed by China Railway Fifteenth Bureau, spans a total length of 1983.81 meters, with the main bridge being a prestressed concrete cable-stayed bridge measuring 557.5 meters [1] - The project team implemented a scientifically efficient construction plan, optimizing concrete pouring timing and mix design to achieve millimeter-level precision in the connection of the bridge segments [1] Group 2: Strategic Importance - The Chengdu-Dazhou-Wanzhou high-speed railway is a crucial part of the national "eight vertical and eight horizontal" high-speed rail network, with a total length of approximately 477 kilometers [1] - Once operational, the travel time from Chengdu to Chongqing via Dazhou will be reduced from around 5 hours to under 2 hours, significantly improving connectivity in the region [1]

Group 1 - The successful installation of a 170-ton steel cover beam at the Chengdu-Dazhou-Wanzhou high-speed railway marks a key milestone in the construction of the De Gong Village Super Bridge [2] - The De Gong Village Super Bridge spans approximately 3,876 meters and is located in Suining City, Sichuan Province [2] - The construction faced multiple challenges, including coordination difficulties with existing operational lines and high risks associated with cross-operation [2] Group 2 - The Chengdu-Dazhou-Wanzhou high-speed railway is an important part of China's "eight vertical and eight horizontal" high-speed rail network, with a total length of 477 kilometers and a design speed of 350 kilometers per hour [3] - Once completed, the travel time from Chengdu to Wanzhou will be reduced to under 2 hours, significantly contributing to the economic development of the Chengdu-Chongqing economic circle and the Yangtze River economic belt [3]

Core Viewpoint - The successful completion of the power line relocation project for the Chengdu-Dazhou-Wanzhou high-speed railway in Nanchong City prioritizes the safety of migratory birds, leading to a design change that moves high-voltage lines away from critical bird migration paths [7][8]. Group 1: Project Details - The 500 kV Nanchong-Changpingshan power line, part of the Chengdu-Dazhou-Wanzhou high-speed railway project, was successfully energized on October 20, 2023, after a significant design alteration [7]. - The original design of the power lines was modified to retreat 6 kilometers to avoid a critical migratory bird route, which is home to over 30,000 migratory birds, including the black-faced spoonbill and black stork [7][8]. - The new design maintains a distance of over 700 meters from the ecological wetland, reducing the risk of bird collisions and minimizing the impact of electromagnetic radiation [8]. Group 2: Environmental Considerations - The decision to alter the power line design was made after extensive consultations with experts and field surveys, emphasizing the importance of protecting migratory birds during their migration season from October to March [7][8]. - Monitoring data indicates that migratory birds in the area typically fly at altitudes between 40 to 45 meters, which overlaps with the electromagnetic fields of high-voltage lines, potentially causing disorientation [7][8]. - The project includes the installation of warning lights and balls on the new power lines to further enhance safety for the birds [8]. Group 3: Strategic Importance - The Chengdu-Dazhou-Wanzhou high-speed railway is a crucial part of China's "eight vertical and eight horizontal" high-speed rail network, supporting national strategies such as the development of the Yangtze River Economic Belt and the Chengdu-Chongqing economic circle [9]. - The railway spans 486.4 kilometers with a design speed of 350 kilometers per hour, highlighting its significance in regional connectivity and economic development [9].

Core Viewpoint - The successful completion of the last steel box girder installation and welding on the Chengdu-Dazhou-Wanzhou High-Speed Railway marks a significant milestone in the construction of the Suining Fujiang Grand Bridge, which is a key control project in the railway line [1] Group 1: Project Details - The Suining Fujiang Grand Bridge is located in Suining City, Sichuan Province, and spans a total length of 5,585.4 meters [1] - The main bridge features a special "H" type structure with a double-tower and double-cable steel-concrete composite girder, with a main span of 305 meters, ranking first in the southwest and second nationwide for this type of bridge [1] Group 2: Construction Progress - The Chengdu-Dazhou-Wanzhou High-Speed Railway has a total length of 477 kilometers and is designed for a speed of 350 kilometers per hour [1] - Currently, 136 tunnels have been constructed, with 130 already completed, and bridge engineering is 86% finished, while roadbed engineering is 96% complete [1] - The project is now entering the phases of ballastless track bed, station building, and electrical engineering [1] Group 3: Economic Significance - The railway line is an important part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, facilitating direct access from Sichuan Province to the Yangtze River Delta and Beijing-Tianjin-Hebei economic zones [1] - The construction of this railway is significant for developing the Chengdu-Chongqing economic circle [1]

Core Insights - Multiple high-speed rail projects in Sichuan are progressing steadily during the National Day holiday, with over 30,000 construction workers on site [1][2] - Significant advancements have been made in the construction of the Xining to Chengdu high-speed railway, with 45% of the overall project completed [1] - The Chengdu North Station expansion and the Chengdu railway station capacity enhancement are ongoing, with all personnel committed to meeting project deadlines [1] Group 1 - The Xining to Chengdu high-speed railway has seen the completion of 6 out of 14 tunnels and 88% of bridge works, with overall project progress at 45% [1] - The Chengdu North Station has completed various supporting projects, including high slope protection and emergency response buildings [1] - The Chengdu railway station is being upgraded to enhance its capacity as a comprehensive transportation hub, with all machinery operating at full speed [1] Group 2 - The Xuyou high-speed railway project has implemented an intelligent production line, achieving 65% of box beam pre-fabrication and 53% of beam installation [2] - The Yukun high-speed railway's main tunnel and bridge works are completed, with 99% of box beam installation finished [2] - The next phase for the Yukun high-speed railway involves the commencement of ballastless track construction to ensure timely operation [2]