铁路建设
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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
Core Points - The Ningbo-Zhoushan Railway's Jintang underwater 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 [1][2] - The construction employs two shield machines that start from both Ningbo and Zhoushan sides, facing complex geological conditions, including high water pressure and various soil types [1][2] - The project utilizes advanced technologies, such as a proactive geological forecasting system, to enhance construction efficiency and safety [3] Group 1 - The Jintang underwater tunnel is a key project for the Ningbo-Zhoushan Railway, with significant implications for regional connectivity and economic development [1][3] - The shield machine, named "Yongzhou," has already progressed nearly 2400 meters since its launch in May 2024, marking a critical milestone as it transitions from land to underwater construction [2] - The project team has designed the shield machine's cutter head to withstand the challenges posed by alternating soft and hard soil layers, which constitute nearly 70% of the tunnel's path [2][3] Group 2 - The construction site employs over 200 workers who operate in two shifts around the clock, aiming for high-quality and timely project completion by the end of 2026 [3] - The successful completion of the Jintang underwater tunnel will end the historical lack of railway connectivity to Zhoushan, contributing to the high-quality integration of the Yangtze River Delta region [3]
重点项目加速落地 牵引投资稳定增长
Sou Hu Cai Jing· 2025-08-21 05:20
Group 1 - The current period is crucial for project construction, with various regions in the province implementing precise measures to accelerate key provincial projects, leading to stable growth in effective investment [1] - The Zhongmei Guangyuan coal-electricity integration project, a landmark collaboration between Sichuan and China Coal Group, has a total investment of approximately 30 billion yuan, covering coal-fired power generation, coal reserve bases, and the Yuanbaoshan Railway dedicated line [1] - The construction progress of the coal-fired power generation project has surpassed 50%, with the main plant expected to be topped by the end of this month, and the installation of coal-fired boilers is on schedule [1] Group 2 - The Yuanbaoshan Railway dedicated line, crucial for transporting coal from the power plant to the Baocheng Railway, has completed 70% of its total engineering work, with the Qingjiang River super bridge progressing steadily [3] - The project engineer from China Railway 23rd Bureau reported that 169 out of 188 bridge pile foundations have been completed, with the remaining expected to be finished by early September, aiming for the entire dedicated line to be operational by March 2026 [5] Group 3 - The Mianyang High-tech Zone specialized and innovative small and medium-sized enterprise incubation park has fully topped its main structure, with a total investment of nearly 600 million yuan, designed to accelerate the transformation of technological achievements for specialized enterprises [7] - The project manager indicated that the first building's exterior is expected to be completed by the end of the year, with the entire project scheduled for completion and delivery by July 2026, potentially accommodating around 35 specialized SMEs with an estimated annual output value of approximately 300 million yuan [9] Group 4 - The Chengdu University of Traditional Chinese Medicine Affiliated Hospital Tianfu District project is also under construction, aiming to create a national western traditional Chinese medicine regional center, with two nine-story outpatient buildings currently being advanced [11] - The project manager expects the main structure to be fully topped by the end of November, contributing to the establishment of a high-quality integrated medical and health service system in Sichuan Tianfu New Area [11] Group 5 - Thanks to the effective traction of key projects, the province's investment has maintained stable growth, with fixed asset investment (excluding rural households) increasing by 2.0% year-on-year from January to July this year [11] - Investment in the primary industry grew by 14.7% year-on-year, while investment in the secondary industry increased by 9.3% [11]
九高铁庐山南站420吨屋盖网架成功顶升
Zhong Guo Xin Wen Wang· 2025-08-21 01:05
Group 1 - The Chang-Jiu High-Speed Railway's Lushan South Station project, constructed by China Railway Construction Corporation, has successfully completed the overall lifting of the steel structure roof, marking a transition to the metal roofing and decoration phase [1] - The total area of Lushan South Station is 7999.1 square meters, featuring a design that combines Chinese and Western architectural elements, with a roof that has a traditional Chinese curved shape [1] - The steel grid structure lifted measures 122.2 meters in length, 52 meters in width, and weighs 420 tons, with a maximum lifting height of 13.95 meters [1] Group 2 - The Chang-Jiu High-Speed Railway spans 138 kilometers with a design speed of 350 kilometers per hour, forming a crucial part of the national railway network plan [2] - The railway will include five stations, three of which are newly constructed, and is expected to be operational by March 2027 [2] - The completion of the railway is significant for Jiangxi Province's integrated transportation system and will enhance connectivity with the Guangdong-Hong Kong-Macao Greater Bay Area [2]
压不住的指数,赚不到的钱
Sou Hu Cai Jing· 2025-08-20 16:14
Index Performance - The main indices in the Shanghai and Shenzhen markets have all rebounded and reached new highs, indicating strong market performance [1] - The ChiNext index experienced a brief drop of 2% but managed to recover and close up by 0.23%, showcasing resilience [1] - The micro-cap stock index rose by 1.05% and also reached a new high, reflecting positive market sentiment [1] Market Dynamics - There is a significant buying effect in the market, with a notable presence of a "invisible hand" controlling index movements, suggesting a stable upward trend [3] - Today's trading volume was 2.45 trillion, indicating a slight decrease but still showing stability above 2 trillion, with potential for further increases in the future [3] Sector Performance - The liquor sector led the gains today, with some stocks rising over 5%, although overall interest remains low [3] - The consumer electronics and semiconductor sectors also performed well, particularly stocks from the science and technology innovation board [3] - The focus is expected to shift back to mainstream sectors such as liquid-cooled servers, innovative drugs, and medical devices, which are anticipated to continue performing well [4] Future Outlook - Major projects like the Yaxia Hydropower Project and the Sichuan-Tibet Railway are expected to attract attention and investment, potentially impacting related sectors [1] - The military industry is anticipated to enter a quiet period until September 3, after which renewed interest may arise depending on new developments [2][4]
银川至巴彦浩特铁路银川西特大桥跨西干渠连续梁合龙
Zhong Guo Xin Wen Wang· 2025-08-20 05:54
银川西特大桥全长7091.76米,其中有一段需利用221.5米连续梁跨越西干渠。该段施工难度大,合龙顺 序需采用先边跨后中跨,属于危险性较大的分部分项工程。 为确保施工安全和工程质量,施工前由项目技术负责人组织就支架搭设、挂篮悬浇、合龙等重要工序召 开专项技术讨论会,就设计图纸中的疑点、难点,虚心向设计、业主及有关专家请教和释疑。同时,项 目部还对所有技术人员进行施工技术交底,技术人员和工班长对所负责的施工班组人员就有关的工序和 部位的施工技术要求、控制手段、操作要求等进行交底。 中新网银川8月20日电 (记者 李佩珊)记者20日从中国铁建大桥局获悉,银川至巴彦浩特铁路(下称"银巴 铁路")银川西特大桥跨西干渠连续梁顺利完成合龙。标志着银巴铁路又一重要节点性工程顺利完成,为 银巴铁路宁夏段架梁施工创造有利条件。 合龙现 场。 苏艺 摄 银巴铁路项目是包银高铁支线工程,全长约115千米,其中内蒙古自治区阿拉善境内长约75千米、宁夏 回族自治区境内长约40千米。中国铁建大桥局承建的项目全长31.89千米,其中桥梁21.15千米,隧道 1.217千米,桥隧占比70.14%。 截至目前,该项目主体工程已完成约85%, ...
向全线贯通迈进 渝昆高铁又有新进展
Xin Hua She· 2025-08-20 02:13
Group 1 - The Yukun High-speed Railway's Binghui Tunnel, measuring 21.17 kilometers, has successfully been completed, marking the first tunnel over 20 kilometers in the entire Yukun High-speed Railway project [1] - The Binghui Tunnel is located in Yiliang County, Zhaotong City, Yunnan Province, and is classified as a high-risk tunnel, making it a key control project for the Yukun High-speed Railway [1] - The Songming Beam Yard, the largest beam yard for the Yukun High-speed Railway, has successfully completed its beam production tasks, laying a solid foundation for subsequent track-laying operations [1] Group 2 - The Songming Beam Yard is equipped with ten beam production platforms and 53 double-layer storage platforms, with a maximum storage capacity of 116 beams, primarily responsible for the prefabrication of 420 box beams [1] - The project team from China Railway Fourth Bureau has implemented a smart beam yard information management system, enhancing production efficiency through mechanization, automation, and intelligent processes [2] - The Yukun High-speed Railway is a crucial part of China's "Eight Vertical and Eight Horizontal" high-speed rail network, which will significantly reduce travel time between Chongqing and Kunming, enhancing transportation convenience in the southwest region and promoting regional economic collaboration [2]
“轨道上的中国”见证经济发展稳健韧性
Ren Min Wang· 2025-08-20 00:35
Core Viewpoint - The railway construction in China has shown significant progress in the first seven months of this year, with fixed asset investment reaching 433 billion yuan, a year-on-year increase of 5.6%, contributing positively to the country's economic recovery [1] Investment and Economic Impact - In January, the fixed asset investment in railways was 43.9 billion yuan, up 3.9% year-on-year; by the first quarter, it reached 131.2 billion yuan, a 5.2% increase; and by July, the investment continued to accelerate, reflecting a positive trend in the overall economy [1] - Railway investment is crucial for expanding effective investment, enhancing consumption space, and facilitating both domestic and international circulation [1] Social and Regional Development - The railway network, described as "the capillaries of the economy," is becoming increasingly integrated into daily life, with new high-speed rail connections enhancing local economies [2] - Projects like the Shenbai High-Speed Railway and the Chongtai Yangtze River Tunnel are expected to significantly boost regional economic transformation and development [2] Technological Advancements - Railway construction is not only a foundation for national productivity but also a platform for nurturing new productive forces, with innovations such as the "super brain" of the "Linghang" shield machine enabling autonomous tunneling [3] - The successful testing of the Huchuoyong High-Speed Railway demonstrates advanced technology in fault response and self-healing capabilities [3] Economic Resilience - By mid-2025, China is expected to implement more proactive macro policies, with GDP projected to grow by 5.3% year-on-year, showcasing the resilience and vitality of the economy, with railway investment playing a key role [3]
全省上半年完成铁路建设投资350亿元
Xin Hua Ri Bao· 2025-08-19 23:08
Group 1: Infrastructure Development - Jiangsu's railway construction investment reached 35 billion yuan in the first half of the year, achieving over 50% of the annual target [1] - The construction of the Hu-Yu-Rong high-speed railway is progressing ahead of schedule, with key milestones such as the completion of 715 foundation bases and 737 pier bodies [2] - The Suzhou East Tunnel of the Tong-Su-Jia-Ning high-speed railway is a critical project, with over 5,566 meters of tunneling completed as of August 10 [3] Group 2: Railway Projects and Innovations - Jiangsu Railway Group is actively working on 10 key railway projects totaling 1,088 kilometers, with a focus on timely completion [4] - The "High-speed +" initiative is enhancing travel convenience for sports events, with over 10 special trains for fans operating since June, transporting nearly 20,000 fans [5][6] - The introduction of a one-stop service combining high-speed trains, tickets, and support packages has improved fan travel efficiency [6] Group 3: International Freight and Trade - The launch of the Xuzhou to Central Asia international freight train has simplified logistics and customs processes, significantly reducing costs and time [7] - The number of international freight trains from Xuzhou reached 219 in the first half of the year, with a 25.3% increase in Central Asia-bound trains [7] - The establishment of new rail lines in Kazakhstan enhances the efficiency of the cross-Caspian international transport corridor, benefiting the operation of international freight trains [8] Group 4: Economic Impact and Growth - The integration of high-speed rail with tourism and sports is driving economic growth, with a record of over 947 million passengers during peak travel periods [6] - The Jiangsu railway network's efficiency allows for quick travel between cities, with many journeys taking under two hours, boosting attendance at sporting events [6] - The opening of 25 international freight train routes from Jiangsu to Europe, Central Asia, and ASEAN countries reflects the growing trade connectivity [8]
哥伦比亚政府优先推进6项国家级铁路项目
Shang Wu Bu Wang Zhan· 2025-08-19 16:00
Core Insights - The Colombian government has prioritized six national railway projects, aiming to complete structural designs by August 2026 and initiate some project tenders [1] - The total investment for these projects is expected to exceed 94 trillion pesos, approximately 23.4 billion USD [1] - The National Infrastructure Agency is collaborating closely with embassies, banks, and companies from China, South Korea, Qatar, and Mexico to leverage their expertise in railway network development [1] Summary by Categories National Railway Projects - Six railway projects have been designated as national priorities, including the Transoceanic Corridor and various Pacific corridor segments [1] - Specific projects include Yumbo–Caimalito, Buenaventura–Palmira, and the Bogotá–Belencito railway corridor [1] Investment and Financials - The anticipated investment for the railway projects is over 94 trillion pesos, which translates to around 23.4 billion USD [1] International Collaboration - The Colombian government is engaging with international partners from China, South Korea, Qatar, and Mexico to enhance the development of its railway infrastructure [1]
钦港二线首次架梁施工任务圆满完成
Guang Xi Ri Bao· 2025-08-19 10:25
广西钦州港是西部陆海新通道主要货物进出口港口之一。为提升港口集疏运效率,满足西南地区与东盟 贸易的井喷式增长,2024年7月15日,钦港二线开工建设。该工程北起南防铁路马皇站,南至钦州港东 站,全长49.9公里,预计2027年6月开通。该项目运营后,与既有钦港铁路形成双线通道,大幅提升钦 州港集疏运效率,为西部陆海新通道注入更强劲的运输动能。(记者黎兆齐 通讯员林祥云、罗婕、陈 宙 实习生王争) 近日,在钦州东至钦州港增建二线(以下简称"钦港二线")施工现场,架桥机将一孔长24米、重约94.9 吨的T梁,平稳架设在麻公岭下行线大桥桥墩支座上,标志着钦港二线首次架梁施工任务圆满完成,该 工程正式进入上部结构施工阶段。这一突破,为西部陆海新通道打通港口集疏运"最后一公里"按下了加 速键。 ...