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川青铁路尖扎黄河特大桥施工绳索断裂事故已致12人遇难
Xin Hua Wang· 2025-08-22 11:12
新华社西宁8月22日电(记者王浡、周盛盛)记者从"8·22"川青铁路尖扎黄河特大桥施工绳索断裂 事故应急指挥部获悉,截至22日18时,事故已造成12人遇难、4人失联,救援和应急处置各项工作正在 紧张进行中。 目前,应急管理部派工作组抵达现场指导事故救援处置工作。 22日凌晨3时10分许,中铁大桥局川青铁路11标项目部尖扎黄河特大桥在钢绞线张拉作业中断裂, 导致108米钢梁主拱肋垮塌。 ...
西部超级工程:新藏铁路投资约五千亿
Jing Ji Guan Cha Wang· 2025-08-22 09:48
Core Viewpoint - The establishment of the New Tibet Railway Company marks a significant advancement in infrastructure development in the Tibetan Plateau, with a focus on connecting Xinjiang and Tibet through a railway that spans approximately 2063 kilometers [2][4]. Infrastructure Development - The New Tibet Railway will be the fourth railway to Tibet, complementing existing lines and enhancing connectivity with surrounding regions [4]. - The project is expected to have a construction period exceeding 16 years, longer than the Sichuan-Tibet Railway [2]. - The total investment for the New Tibet Railway is estimated to reach around 500 billion yuan, comparable to the Sichuan-Tibet Railway's investment of over 370 billion yuan [6][7]. Economic Impact - The railway is anticipated to promote regional economic development, improve trade routes, and enhance the living standards of local populations [2][9]. - It will facilitate the development of tourism in previously inaccessible areas of Tibet, potentially increasing tourism revenue [9]. - The project aligns with China's broader strategy of regional coordination and economic integration, particularly in the context of the Belt and Road Initiative [10][12]. Environmental Considerations - The construction of the New Tibet Railway will face significant ecological challenges due to its location in a fragile ecological zone, necessitating eco-friendly construction practices [3][12]. - Special ecological protection plans will be required to minimize disruption to local wildlife and ecosystems [3]. Strategic Importance - The railway is crucial for national security and defense, enabling efficient transportation of strategic materials to border areas [11]. - It will enhance Xinjiang's connectivity with southern China and improve Tibet's access to external markets, fostering economic ties with neighboring countries [9][10]. Funding Sources - Funding for the New Tibet Railway will come from a mix of central government financing, special bonds, policy financial institutions, and social capital [8][7].
决胜“十四五” 打好收官战|世界最长海底高铁隧道中的火热干劲
Xin Hua She· 2025-08-22 05:25
Core Points - The Ningbo-Zhoushan Railway's underwater tunnel, known as the Jintang Submarine Tunnel, is a record-breaking engineering project, measuring 16.18 kilometers in total length, with an underwater section of 11.21 kilometers, making it the world's longest underwater high-speed rail tunnel [1][5] - The construction employs two shield machines that start from both Ningbo and Zhoushan sides, facing each other to ensure precise alignment after traversing complex geological conditions [1][2] - The project is significant for the integration of the Yangtze River Delta region, as it will end the historical lack of railway access to Zhoushan upon completion [5] Construction Details - As of May 2024, the shield machine has advanced nearly 2,400 meters, currently located about 65 meters below sea level, marking a critical phase as it transitions from land to marine construction [2] - The shield machine must navigate through various geological layers, including four soft soil sections and eight hard rock sections, with hard rock layers comprising nearly 70% of the total [2][4] - Advanced technologies, such as a proactive geological forecasting system, are utilized to monitor geological conditions ahead of the shield machine, enhancing safety and efficiency [4] Workforce and Timeline - The project employs over 200 workers who operate in two shifts around the clock, with the tunnel expected to connect with the Zhoushan side by the end of 2026 [5] - The project is positioned as a key initiative within China's 14th Five-Year Plan, emphasizing the urgency and commitment to high-quality project execution [5]
决胜“十四五” 打好收官战
Xin Lang Cai Jing· 2025-08-22 03:04
Core Points - The Ningbo-Zhoushan Railway's underwater tunnel, known as the Jintang Submarine Tunnel, is a record-breaking engineering project, measuring 16.18 kilometers in total length, with an underwater section of 11.21 kilometers and a maximum depth of 78 meters, making it the world's longest underwater high-speed rail tunnel [2][3] - The construction employs two shield machines that start from both Ningbo and Zhoushan sides, advancing towards each other while navigating high water pressure and complex geological conditions [2] - The project is significant for the integration of the Yangtze River Delta region, as it will end the historical lack of railway access to Zhoushan upon completion in late 2026 [7] Construction Details - As of May 2024, the shield machine has advanced nearly 2,400 meters, currently located about 65 meters below sea level, marking a critical phase as it transitions from land to marine construction [3] - The shield machine must traverse various geological layers, including 4 segments of soft soil and 8 segments of hard rock, with hard rock layers comprising nearly 70% of the total [3] - Advanced technologies, such as a proactive geological forecasting system, are utilized to enhance the precision of geological assessments and improve construction safety [5] Workforce and Project Management - The project employs over 200 workers who operate in two shifts around the clock to ensure continuous progress [7] - The project team is committed to maintaining high-quality standards and timely completion, aligning with the goals of the 14th Five-Year Plan [7]
金建高铁兰溪至建德段开始铺轨
Xin Hua Wang· 2025-08-22 02:53
21日,在金建高铁兰溪东站高铁站内,随着第一对500米长钢轨在工人与大型设备的精准配合下稳 稳落定,新建金华至建德高速铁路兰溪至建德段铺轨施工正式启动,项目建设取得重大进展。 金建高铁作为国家中长期铁路网规划和浙江省铁路建设"八八计划"项目之一,自既有金华站引出, 向北经兰溪市、建德市,在建德站接入杭黄高铁,全长64.51公里,设计时速250公里。沿线设金华、兰 溪东、大洋、建德等4座车站,其中兰溪东站和大洋站为新建车站。本次启动铺轨的兰溪至建德段,需 完成正线铺轨87.1公里,站线铺轨6.63公里,并铺设道岔30组。 截至7月底,金建高铁累计完成投资83.033亿元。当前,项目路基、桥梁、隧道工程均已全部贯 通,站房工程与"四电"工程正有序推进,铺轨工程全面加速实施。(记者 张帆 金思成 通讯员 徐张 时 宽兵) 为确保铺轨工程安全、优质、高效推进,建设者高峰期可组织1000余名建设者同步奋战,单日铺轨 进度最高可达4.5公里。 ...
川青铁路青海段尖扎黄河特大桥施工绳索断裂,4人遇难12人失联
第一财经· 2025-08-22 01:20
Core Viewpoint - A construction accident occurred at the Qianqing Railway's Qianza Yellow River Bridge, resulting in casualties and ongoing rescue efforts [3][5]. Group 1 - The accident involved a rope failure during construction, with multiple workers present at the site [3]. - As of 8 AM on August 22, the incident has led to 4 confirmed deaths and 12 individuals reported missing [5]. - Rescue operations are currently underway to locate the missing workers [5].
渝昆高铁首座超二十公里特长隧道贯通
Ren Min Ri Bao· 2025-08-21 22:01
Core Points - The Bianghui Tunnel, a key project of the Yukun High-speed Railway, has successfully completed its construction, marking it as the first super-long tunnel over 20 kilometers in the southwest region of China [1] - The tunnel, located in Yiliang County, Zhaotong City, Yunnan Province, features a dual-tube single-line design and is classified as a high-risk tunnel due to its complex geological conditions [1] - With the completion of the Bianghui Tunnel, the overall tunnel construction progress in Yunnan for the Yukun High-speed Railway has reached 85%, and over 95% of bridge and tunnel construction has been completed [1] Industry Progress - The Yukun High-speed Railway is entering a critical construction phase, with the main body of the roadbed, bridges, and tunnels nearly completed [1] - The project is now accelerating the construction of the "four electrics" and station building works, preparing to fully enter the ballastless track construction phase [1]
广西构建标准化交流合作机制解决涉东盟合作堵点
Zhong Guo Xin Wen Wang· 2025-08-21 17:42
Group 1 - The core viewpoint of the articles highlights Guangxi's efforts to enhance standardization cooperation with ASEAN countries, addressing existing challenges in policy communication and collaboration [1][2] - Guangxi has established the ASEAN National Standardization Cooperation Exchange Center to facilitate standardization negotiations and improve cooperation with ASEAN [1] - The center has participated in the negotiation of the standardization chapter of the China-ASEAN Free Trade Area 3.0 agreement and strengthened collaboration with the International Organization for Standardization (ISO) [1] Group 2 - In the first half of 2025, Guangxi's cross-border e-commerce import and export volume exceeded 25 billion RMB, with a year-on-year growth of over 140%, and nearly 70% of this trade involved ASEAN countries [2] - Guangxi is addressing issues related to differing cross-border express delivery standards and challenges in returning cross-border e-commerce goods by implementing logistics service standard enhancement projects [2] - In agriculture, Guangxi has initiated standardized demonstration projects in Vietnam, resulting in a 51% increase in rice yield through standardized planting and agricultural technology training [2]
甘其毛都—嘎舒苏海图跨境铁路建设稳步推进
Shang Wu Bu Wang Zhan· 2025-08-21 17:19
(原标题:甘其毛都—嘎舒苏海图跨境铁路建设稳步推进) 据蒙古政府新闻网报道,由中国企业承建的甘其毛都—嘎舒苏海图跨境铁路工 程正在按计划推进。该铁路全长32.6公里,采用1520毫米宽轨与1435毫米标准 轨并行,设计年货运量4000万吨,总投资9020亿图格里克(约18.11亿元人民 币),计划两年内完工。线路包括19.5公里干线铁路及多座8至31米高的单、 双线桥梁,配套有边境检查综合楼、技术楼等基础设施。目前,地基开挖、土 壤压实、混凝土浇筑和模板安装工作已完成,杆柱安装进度41%,围栏施工同 步进行。该铁路桥中国境内段由国家能源集团投资建设,蒙古境内段由蒙额尔 登斯塔旺陶勒盖股份公司融资。 ...
决胜“十四五” 打好收官战丨世界最长海底高铁隧道中的火热干劲
Xin Hua She· 2025-08-21 08:16
浙江宁波北仑区与舟山定海区金塘镇之间,是繁忙的金塘水道。在海面下60余米处,是一项创纪录的世 界级工程——甬舟铁路金塘海底隧道。近日,记者来到金塘海底隧道宁波侧施工现场,感受建设者们的 火热干劲。 金塘海底隧道是甬舟铁路全线的控制性工程之一,全长16.18公里,其中海底盾构段长11.21公里,最大 埋深达78米,也是世界最长的海底高铁隧道。 "隧道的施工采用两台盾构机从宁波侧和舟山侧同时始发,相向掘进,穿越高水压及多种复杂地层后, 在海底实现精准对接。"坐上工程用车,向"甬舟号"盾构机前进的途中,中铁十四局甬舟铁路项目盾构 经理赵大彬告诉记者,金塘海底隧道是继港珠澳大桥后,我国又一项挑战世界难题、突破科技壁垒的跨 海大工程。 沿着最大坡度10%的一号斜井下行没多久,就遇到"驮"着3片每片重量达14吨左右管片缓缓前进的双头 运输车。"管片是盾构隧道的主要装配构件,主要用于为隧道打造一圈保护屏障,'甬舟号'盾构机承担 着24680块管片的拼装任务,拼装由作业人员利用拼装遥控器完成,新技术对工程质量管控和效率提升 都有很大帮助。"赵大彬说。 自2024年5月"甬舟号"盾构机始发以来,目前已掘进近2400米,深度位于 ...