雄商高铁是我国"八纵八横"高速铁路网京港（台）通道的重要组成部分。项目建成后，线路将在山 东与石济高铁、济郑高铁、日兰高铁等线路互联互通，进一步优化鲁西地区路网结构，缩短山东与周边 省份的时空距离，极大便利沿线群众出行。（记者张钟仁） 【纠错】 【责任编辑:刘阳】 雄商高铁正线全长552公里，设计时速350公里，途经冀鲁豫3省9市，全线设16个车站。其中，山东 段全长269公里，途经聊城、济宁、菏泽3市，设临清东、聊城西、阳谷东、梁山、郓城、菏泽东、曹县 西7个车站。 静态验收是指铁路建设工程完工后，对高铁轨道桥涵、通信信号、牵引供电等铁路系统的设备安 装、功能验证等内容开展的全面检查，是保障高铁安全运营的重要环节。 据了解，为做好静态验收工作，国铁济南局济南供电段采用"1台检修列+3台作业车"大兵团作业模 式。其中，检修列主要对接触网支柱间的接触线及吊弦进行检查验收，对不平顺的接触线进行整修；作 业车主要对接触网支柱的定位装置及零部件进行检查验收，确保接触网整体结构稳定性。 记者2月1日从国铁济南局获悉，雄安新区至商丘高速铁路山东段开启静态验收工作。 ...

为确保这一巨大梁体转得稳、准，项目组建青年技术攻关团队，创新运用动态平衡配重法、球铰精准定 位牵引系统等关键技术。同时利用智能监测系统实时监控转体姿态与受力变化，将转体轴线偏差控制在 毫米级，成功实现"华丽转身"。此次施工形成一系列可复制、可推广的经验，为同类桥梁施工提供重要 参考。 中国青年报客户端合肥1月16日电（许文峰 陈卓然 中青报·中青网记者 王海涵）记者从中国铁路上海局 集团获悉，今天凌晨，安徽滁州市南谯区的新建上海至南京至合肥高速铁路（简称"沪宁合高铁"）施工 现场，皖赣铁路安徽公司建设管理、中铁一局承建的跨京沪高铁特大桥2×100米预应力混凝土单T构梁 顺利转体，标志着华东地区最大跨度跨高铁单T构梁施工圆满完成，为全线贯通和铺轨奠定坚实基础。 凌晨转体 现场。田泽梁/摄 跨京沪高铁特大桥全长约17.6公里，先后跨越京沪高铁、天潜高速等多条交通干线。其中，作为控制性 工程的2×100米转体单T构梁总重1.7万吨，与繁忙的京沪高铁线路呈26.3度斜交，具有吨位大、跨度 大、转体角度小、精度要求极高、施工环境复杂等特点。 转体成功 后的项目现场。李彤/摄 沪宁合高铁是沪渝蓉高铁的东段线路、国家"八纵 ...

据介绍，华山松隧道地处云南省会泽县境内，全长16.4公里，属于一级高风险隧道。该隧道地质条件极 为复杂，穿越23条断层以及岩溶发育地段，围岩破碎，一旦遇水便极易软化膨胀发生溜塌、塌方等险 情，给施工带来极大挑战。"我们采取'环形开挖、预留核心土、分台阶支护'相融合的方案，结合隧道 特点进行施工，成功克服围岩失稳变形的建设难题。"中铁十二局渝昆高铁技术负责人马国栋说。 记者从京昆高铁西昆公司获悉，1月10日上午，由中铁十二局承建的渝昆高铁控制性工程华山松隧道实 现安全贯通，为全线建成开通奠定了坚实基础。 （文章来源：新华社） 渝昆高铁全长约700公里，其中云南段长388.6公里，是云南省内首条时速350公里的高速铁路，全线建 成通车后，重庆到昆明的行车时间将压缩至两个半小时左右，对推动沿线地区经济社会高质量发展具有 重要意义。目前，渝昆高铁云南段建设全面进入冲刺阶段，全力推进隧道工程、无砟轨道和站后工程建 设。 ...

1月15日，记者从四川省公共资源交易信息网获悉，《新建沪渝蓉高铁重庆至成都段使用林地可行 性报告编制及林木采伐作业设计咨询服务》正在招投标，透露了成渝中线高铁的建设方案。 从方案可以看出，成渝中线高铁将从重庆北站引出，终到成都站（即火车北站）。从名称来看，成 渝中线高铁将成为新建沪渝蓉高铁的一部分。新建沪渝蓉高铁也叫沿江高速铁路，它位于长江经济带的 核心线位上，串联起长三角城市群、长江中游城市群、成渝城市群三大经济重地。 招标文件还透露，成渝中线高铁铁路等级为高速铁路，正线数目为双线，设计速度350公里/小时、 预留400公里/小时。这也是国内首条提出时速要达到400公里的高铁。（记者 王眉灵） 根据招标文件，新建沪渝蓉高铁重庆至成都段使用林地可行性报告编制及林木采伐作业设计咨询服 务已由中国国家铁路集团有限公司发展和改革部以发改项目函〔2020〕19号批准建设，项目业主为成渝 铁路客运专线有限责任公司。 新建沪渝蓉高铁重庆至成都段（即成渝中线高铁）项目，线路起自重庆市江北区，终至四川省成都 市金牛区，正线长度292.032公里，其中重庆段100.749公里、四川段191.283公里，新建车站7座。项目 全线 ...

Core Viewpoint - The successful completion of the last segment of the movable formwork for the intercity side of the Chongqi Railway and Highway Yangtze River Bridge marks a significant milestone in the construction process, paving the way for the subsequent upper highway beam construction [1][3]. Group 1: Construction Progress - The Chongqi Railway and Highway Yangtze River Bridge has a total length of 1,069.27 meters, featuring a dual six-lane upper highway and a lower section for double-track high-speed rail and intercity rail [3]. - The last concrete beam poured was for the intercity side NC20-NC21 pier, measuring 40.6 meters in length and 12.2 meters in width, with a total concrete volume of 344 cubic meters [3]. - The use of a movable formwork system allows for segmental pouring of concrete beams between bridge piers, significantly shortening the construction cycle and minimizing environmental impact [3]. Group 2: Winter Construction Preparations - To prepare for the final segment of the movable formwork pouring, the project team avoided low-temperature periods below zero degrees Celsius and held special briefing sessions to optimize the construction plan [2]. - Technical personnel monitored concrete temperature throughout the process to ensure compliance with quality standards, and winter construction safety training was conducted to address equipment operation, anti-freezing measures, and emergency rescue protocols [2]. Group 3: Strategic Importance - The Shanghai-Nanjing-Hefei high-speed railway is a crucial part of the eastern segment of the Huhang Railway and an important component of the national "Eight Vertical and Eight Horizontal" high-speed railway network, enhancing passenger flow along the Yangtze River corridor [5]. - The completion of this project will establish a rapid new corridor between the Shanghai, Nanjing, and Hefei metropolitan areas, optimizing the railway network layout in the Yangtze River region and supporting the coordinated development of the Yangtze Economic Belt [5].

渝昆高铁洛泽河特大桥合龙 中新网昭通12月16日电 (郑利超 李浦实)15日，由中铁大桥局集团承建的渝昆高铁控制性工程洛泽河特 大桥合龙，为渝昆高铁如期建成通车打下坚实基础。 洛泽河特大桥位于云南省昭通市彝良县，跨越深切峡谷，两端与隧道相接，为山区铁路典型的"两隧夹 一桥"V形地貌。桥梁长524.9米，为双幅单线预应力混凝土刚构连续梁桥，主跨180米，最大墩高达150 米。 建成后的洛泽河特大桥将成为目前世界时速350公里高速铁路跨度最大、墩身最高、边坡最高的预应力 混凝土梁桥。 面对山区峡谷复杂环境下高墩、大跨桥梁施工安全风险高的困境，项目建设团队将主梁施工优化为大节 段悬浇工艺，最大节段长度调整为6米，悬浇节段数量减少至17节，提前工期2个月。 渝昆高铁全长约700公里，其中云南段长388.6公里，是云南省内首条时速350公里的高速铁路。全线建 成通车后，重庆到昆明的行车时间将压缩至两个半小时左右。(完) 来源：中国新闻网 编辑：郭晋嘉 广告等商务合作，请点击这里 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 ...

Core Insights - The completion of the last pair of long steel rails on the Shending River Grand Bridge in Shiyan, Hubei marks the successful completion of the track-laying project for the Xi'an-Shiyan High-Speed Railway, laying the groundwork for subsequent joint debugging and testing [1] Group 1 - The Xi'an-Shiyan High-Speed Railway is an important part of the national high-speed railway network [1] - The total length of the main line is 255.7 kilometers, with a designed speed of 350 kilometers per hour [1]

Group 1 - The Daping Tunnel, a key project of the Yukun High-Speed Railway, has successfully completed its construction, marking significant progress in the railway's development [1] - The Yukun High-Speed Railway spans approximately 700 kilometers, with 388.6 kilometers located within Yunnan Province, making it the first high-speed railway in the province designed for a speed of 350 kilometers per hour [2] - The completion of the Yukun High-Speed Railway will significantly reduce travel time between Chongqing and Kunming, enhancing transportation convenience in the southwestern region and promoting coordinated regional development [2] Group 2 - The construction of the Daping Tunnel faced complex geological conditions, including high-risk factors such as mud and water bursts, soft rock deformation, and high ground stress [1] - The construction team employed advanced techniques, including "long tunnel short strike" methods and various predictive technologies, to effectively manage the risks associated with the challenging geological environment [1] - With the Daping Tunnel's completion, 48 tunnels in Yunnan Province for the Yukun High-Speed Railway have been completed, exceeding 90% of the total tunnel construction [1]

Group 1 - The Hailar-Yichun High-Speed Railway (Ha-I High-Speed Railway) has completed its track-laying, marking a significant milestone in China's "14th Five-Year Plan" key projects [1] - The railway is an important extension of the "eight vertical and eight horizontal" high-speed rail network, specifically the Beijing-Harbin and Beijing-Hong Kong-Macau corridors [1] - The project faced various construction challenges, including the distribution of island-like permafrost and a short effective construction period due to extreme weather conditions [1] Group 2 - The construction utilized advanced group sleeper laying technology, achieving an average daily track-laying progress of 2.5 kilometers, which is a 50% efficiency improvement over traditional methods [1] - The project incorporated information technology and intelligent management techniques, enabling remote real-time monitoring of key equipment to ensure operational safety [1] - The next phase of the project will focus on fine-tuning the track, electrical systems, and testing, which is expected to enhance the high-speed rail network in Northeast China and promote regional economic development [2]

Core Points - The Yukun High-speed Railway's Yunnan section has achieved over 90% tunnel completion with the recent breakthrough of the Daping Tunnel [1][3][5] - The Daping Tunnel, a critical project, spans 12.3 kilometers and is classified as a high-risk tunnel due to its challenging geological conditions [3][5] - The construction employs advanced technologies to mitigate risks, successfully navigating through high-risk segments [3][5] Group 1 - The Yukun High-speed Railway will significantly reduce travel time between Chongqing and Kunming, enhancing economic development along the route [5] - The Yunnan section of the railway is 388.6 kilometers long, with a design speed of 350 kilometers per hour, marking it as the first high-speed railway in Yunnan to reach this speed [5] - Currently, over 14,000 construction workers and more than 1,500 large machinery units are engaged in the project, with earthworks and bridge-tunnel construction nearing completion [5]