（来源：经济日报） "从8号块的混凝土浇筑、张拉压浆，再到今天的挂篮走行，大家一直铆足劲在干。"项目经理王景寿介绍，"今天通过一天紧张有序的施工，我们顺利拆除 了防护棚架的前端封闭，并安全圆满地完成了挂篮走行，接下来还要进行9号块的钢筋绑扎和混凝土浇筑，我们将对每一个节点进行精准把控，为节后全 面复工赢得主动。" Hunt 相感鉄七局 海 839 0 0 4月 0 S GERMANCE 11 11 1 f 春节攻坚不打烊，合武高铁建设者激战正酣抢开局。雷霄摄 2月21日，农历正月初五，合武高铁站前5标二分部346号墩跨川龙大道连续梁施工现场一片热火朝天的繁忙景象。为确保国家重点铁路项目顺利推进，中 铁七局的建设者们选择在岗位上"守岁"，于工地上"迎新"，用汗水与担当奏响了新春奋斗者乐章。 转自：经济日报 "此次挂篮走行施工的是合武高铁塘埠口滠水特大桥连续梁346号墩9号块，梁体下方是川龙大道，当前正值春节假期，车辆通行频密，在高达25米的高墩 上进行锚固、前端封闭拆除、挂篮走行等工序，均需在高空、重载、交叉作业的条件下精准完成，哪怕只是一颗螺丝从梁体掉落，也可能给下方行车带来 无法挽回的后果。正因如此，每一道 ...

Core Viewpoint - The construction of the Dabieshan Tunnel, a key project of the Hefei-Wuhan High-Speed Railway, has made significant progress with the breakthrough of 2000 meters in excavation, highlighting the project's importance and complexity [1] Group 1: Project Overview - The Dabieshan Tunnel is the longest tunnel in the Hefei-Wuhan High-Speed Railway, with a total length of 14,698 meters [1] - The tunnel's maximum burial depth reaches 801.2 meters, and it primarily consists of II and III grade surrounding rock, indicating challenging geological conditions [1] Group 2: Construction Challenges - The tunnel construction faces high safety risks due to complex geological formations, including multiple fault zones that can lead to rock falls and collapses [1] - The project has implemented a "seven management" initiative to address these challenges and enhance safety [1] Group 3: Technological Innovations - The construction employs fully mechanized operations across all processes, utilizing advanced equipment such as advanced geological drilling rigs and large rock drilling vehicles [1] - Innovative small tools have been developed to improve construction efficiency, including self-made concrete pouring diversion devices and high-pressure water guns [1] Group 4: Strategic Importance - The Hefei-Wuhan High-Speed Railway is a crucial part of the Shanghai-Chongqing-Lanzhou high-speed rail corridor, connecting various major railways and enhancing regional connectivity [1] - Once completed, the railway will create a fan-shaped high-speed rail network, significantly contributing to the development of the central region and revitalizing the Dabieshan revolutionary old area [1]

此次转体成功，为合武高铁后续施工奠定了坚实基础，距离全线贯通更近一步。 合武高铁是国家"八纵八横"高铁网沿江通道的重要组成部分。全线建成后，武汉至合肥的列车运行时间 将缩短至1小时左右，有力推动长江中游与长三角城市群的互联互通，进一步优化区域综合交通格局。 经济观察网 据央视新闻客户端消息，1月22日，在湖北武汉，合武高铁塘埠口滠水特大桥连续梁平稳完 成转体施工，重达1.2万吨的桥体成功跨越京广铁路货线下行线既有铁路。 此次转体的桥体重达1.2万吨，相当于60节高铁车厢的重量。施工需跨越既有铁路干线，环境复杂、安 全要求极高。项目团队通过智能监测与信息化管控，在确保下方铁路正常运营的前提下，平稳完成转体 对接。 ...

1月22日拍摄的合武高铁塘埠口滠水特大桥跨京广铁路转体施工现场。新华社记者 肖艺九 摄 1月22日拍摄的合武高铁塘埠口滠水特大桥跨京广铁路转体施工现场。新华社记者 肖艺九 摄 1月22日拍摄的合武高铁塘埠口滠水特大桥跨京广铁路转体施工现场。新华社记者 肖艺九 摄 1月22日拍摄的合武高铁塘埠口滠水特大桥跨京广铁路转体施工现场。新华社记者 肖艺九 摄 1月22日，由中铁七局承建的合武高铁塘埠口滠水特大桥跨京广铁路转体桥完成转体施工，为工程的下一步建设打下坚实基础。合武高铁是国家中长期铁路 网规划的重要项目，建成后将进一步完善沿江综合交通运输体系，大幅缩短武汉至合肥的运行时间。 ...

1月17日凌晨，随着最后一榀钢盖梁精准就位，由铁四院设计、中铁十八局承建的合武高铁雷家冲跨合武铁路特大桥钢盖梁吊装施工 任务顺利完成，标志着合武高铁（湖北段）唯一一座跨高铁营业线桥梁完成重要节点，为后续铺轨开通奠定了坚实基础。 雷家冲跨合武铁路特大桥吊装现场 合武高铁全长360公里，设计时速350公里，东起合肥，经六安、金寨、麻城、红安至武汉，是沪渝蓉沿江高铁的重要组成部分。 线路图由武铁提供 雷家冲特大桥钢盖梁吊装完成 雷家冲跨合武铁路特大桥地处湖北麻城境内，全长2914.99米。本桥共计90个墩身，其中12—14号墩采用钢盖门式墩吊装，采用3榀钢 盖梁门式墩三次跨越合武铁路，门式墩上跨合武上行线。 雷家冲跨合武铁路特大桥施工现场 目前运行的武汉至合肥的铁路称合武铁路，又称合武快速铁路，2009年4月1日开通运营。目前最高运营时速250公里（动车组） 。 随着经济发展，沪汉蓉通道全线客流激增，这段线路成了整个东西大动脉的"瓶颈"，限制了整体运输效率。 为了缓解既有合武铁路的压力，并构建一条真正意义上的高标准、大容量沿江高铁通道，国家规划了"八纵八横"中的沪渝蓉沿江通 道。合武高铁就是其中的重要组成部分。全线 ...

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]

Core Viewpoint - The successful rotation of the T-shaped bridge marks a significant breakthrough in the construction of the Wuhan to Hefei high-speed railway, enhancing transportation efficiency in the region [1][4]. Group 1: Project Details - The new Wuhan to Hefei high-speed railway segment spans 18.018 kilometers and involves complex operations near existing railway lines, posing high safety risks [4]. - The bridge, weighing 6000 tons and measuring 112 meters in length and 12.6 meters in width, was rotated 83 degrees in 110 minutes, showcasing advanced engineering capabilities [1][4]. Group 2: Technological Innovations - The project utilized a "smart monitoring + precise control" construction model, reflecting a shift from traditional methods to advanced Chinese manufacturing [8]. - A 1:1 three-dimensional visualization model was created using BIM technology, allowing for real-time monitoring and adjustments during the bridge's rotation [4][8]. Group 3: Economic Impact - The completion of the approximately 2100-kilometer Yangtze River high-speed railway will significantly reduce travel times, such as cutting the journey from Shanghai to Chengdu from 12.2 hours to 6.7 hours [8][9]. - The existing Hefei to Wuhan railway, operational since April 1, 2009, has become a bottleneck due to increasing passenger flow, necessitating the new high-speed line [8][9].

Core Points - The construction of the Hefei-Wuhan high-speed railway has made significant progress with the successful installation of a 32.6-meter prefabricated box girder using a 900-ton bridge erecting machine [1][1][1] - The Hefei segment of the railway is a crucial production hub, responsible for the fabrication of 687 precast simply supported box girders, which will support the line's connectivity [1][1][1] - The Hefei-Wuhan high-speed railway, part of China's "eight vertical and eight horizontal" high-speed rail network, spans approximately 360 kilometers with a design speed of 350 kilometers per hour, reducing travel time between Wuhan and Hefei to one hour [1][1][1]

Core Points - The completion of the steel cover beam installation at the Zhoujiatian Village Bridge marks a significant milestone in the construction of the new Hefei-Wuhan High-Speed Railway [1][3] - The bridge, located in Hong'an, Hubei, is a key control project of the Hefei-Wuhan High-Speed Railway, with a total length of 1195.375 meters and 32 spans [1][6] - The installation faced high technical demands and challenges due to its proximity to existing railway operations, requiring precise control and management [1][3] Construction Details - The steel cover beam installation involved two beams weighing 210.12 tons each, with a lifting span of 32 meters and strict rotation angle controls [1] - Advanced machinery and information management techniques, including BIM technology, were utilized to enhance construction efficiency and safety [3] - The successful completion of this installation lays a solid foundation for subsequent bridge erection and track construction, facilitating the timely completion of the Hefei-Wuhan High-Speed Railway [3] Industry Context - The Hefei-Wuhan Railway, operational since April 1, 2009, currently has a maximum speed of 250 km/h, but faces capacity constraints due to increasing passenger flow [6] - The Hefei-Wuhan High-Speed Railway is part of the national "Eight Vertical and Eight Horizontal" plan, designed for speeds of up to 350 km/h, significantly reducing travel times between major cities [6] - Future travel times from Wuhan to Hefei are expected to decrease from 2 hours to 1 hour, enhancing overall transportation efficiency in the region [6]

Core Viewpoint - The successful completion of the Dazhu Garden Tunnel marks a significant milestone in the construction of the Hefei-Wuhan High-Speed Railway, indicating important progress in the project [1] Company Summary - China Railway Construction Corporation (CRCC) is overseeing the construction of the Dazhu Garden Tunnel, which is the first tunnel to be completed in the Anhui section of the Hefei-Wuhan High-Speed Railway [1] - The project is being executed by China Railway 21st Bureau Group, highlighting the company's involvement in major infrastructure projects [1] Industry Summary - The Hefei-Wuhan High-Speed Railway spans approximately 360 kilometers and is designed for a speed of 350 kilometers per hour, forming a crucial part of China's "eight vertical and eight horizontal" high-speed rail network [1] - The Dazhu Garden Tunnel, measuring about 675 meters in length, is a single-hole double-track high-speed railway tunnel, showcasing advancements in high-speed rail infrastructure [1] - The construction faced challenges due to complex geological conditions and undulating terrain, necessitating the use of a tunnel geological forecasting system to ensure safety and efficiency [1]