隧道建设

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川西高原夹金山隧道建成
Xin Hua She· 2025-09-28 13:48
夹金山隧道串联起夹金山、达维会师遗址等革命纪念地和碧峰峡、四姑娘山等优质生态景区,将有力促 进雅安市与阿坝州之间经济互济、人文互通。 曾经艰险的"长征路"逐渐变为通途。1935年6月,中央红军长征行军至夹金山,他们直面恶劣环境、不 畏高寒缺氧,以顽强毅力和信念突破自然极限,成功翻越大山,在懋功(现小金县)与红四方面军胜利 会师。红军长征飞夺泸定桥的大渡河上架起高速公路大桥,过草地的松潘开通了动车,现在爬过的大雪 山也通了隧道,一张更加快速高效的交通网络正加快形成。 建设过程中,建设团队首创采用平行导洞"TBM+钻爆法"及主洞钻爆法综合施工工法,在高原高寒环境 中创造了TBM日掘进50米等多项普通公路隧道施工纪录,并提前3个月完工。 新华社成都9月28日电(记者胡旭、胥冰洁)历经45个月艰苦鏖战后,川西高原长9.35公里的国道351线 夹金山隧道于9月28日顺利建成,并将于10月1日开通试运行。周边11万群众冬季冰雪封山难以通行的世 代难题将彻底解决。 (文章来源:新华社) 夹金山位于四川省雅安市宝兴县与阿坝藏族羌族自治州小金县交界。海拔4000多米的夹金山常年积雪、 气候多变,原道路弯多、坡陡、路窄,每年冬季 ...
答卷“十四五” 央企惠民生 | 筑路织网百业兴 央企锻造现代化交通体系新动脉
Zhong Guo Zheng Quan Bao - Zhong Zheng Wang· 2025-09-22 23:25
Core Viewpoint - The construction of major transportation projects, such as the He-Ruo Railway, is significantly enhancing regional economic development and improving connectivity in China, particularly in remote areas like Xinjiang [1][5]. Group 1: Transportation Infrastructure Development - The He-Ruo Railway, built by China Railway Construction Corporation, has transformed the previously inaccessible Taklamakan Desert region into a vital economic corridor, ending the history of no train access for five counties [1]. - The railway construction faced extreme challenges, with 460 kilometers traversing a desert with no water, electricity, or roads, showcasing the engineering capabilities of state-owned enterprises [1][2]. - The introduction of innovative construction techniques, such as the "bridge instead of road" approach, has significantly reduced transportation distances by over 1,000 kilometers [2]. Group 2: Investment and Economic Impact - From 2021 to 2024, state-owned enterprises (SOEs) completed fixed asset investments totaling 19 trillion yuan, with an average annual growth rate of 6.3% [5]. - The opening of the He-Ruo Railway has reduced transportation costs for local products by over 20%, boosting tourism and local economies [15]. - The completion of the Changtai Yangtze River Bridge has drastically cut travel time between Changzhou and Taizhou from 1 hour and 20 minutes to approximately 20 minutes, enhancing local connectivity [4][15]. Group 3: Technological Innovation - SOEs are leading in technological advancements, with the introduction of the world's largest diameter shield tunneling machine and innovations in high-speed rail technology, such as the development of high-speed train wheels that improve performance [9][11]. - The use of advanced construction methods and equipment has resulted in significant time savings in infrastructure projects, with some urban subway construction periods reduced by 1 to 2 years [9][11]. - SOEs have been involved in 22 major national technology projects, contributing to the development of key products in the manufacturing sector [13]. Group 4: Future Outlook - The investment focus of SOEs is expected to shift towards high-quality development, optimizing multi-modal transportation structures, and integrating smart and green technologies into infrastructure [7]. - The ongoing development of transportation infrastructure is anticipated to further enhance economic opportunities and improve the quality of life for citizens [17].
中国交建参股企业中标巴西桑托斯-瓜鲁雅沉管隧道项目
Shang Wu Bu Wang Zhan· 2025-09-11 15:46
Core Viewpoint - China Communications Construction Company (CCCC) has a stake in the Portuguese Mota-Engil Group, which won the bid for the Santos-Guarujá submerged tunnel project in Brazil, marking a significant infrastructure development in the region [1] Group 1: Project Details - The Santos-Guarujá submerged tunnel will be 1.5 kilometers long, with 870 meters underwater, utilizing submerged tube construction technology [1] - The project is expected to reduce travel time between Santos and Guarujá from one hour to approximately five minutes, benefiting around 2 million residents [1] - The total investment for the project is 6.8 billion Brazilian Reais, with funding through a Public-Private Partnership (PPP) model [1] Group 2: Financial and Operational Aspects - Of the total investment, 5.14 billion Reais will be covered by the federal and São Paulo state governments, while 1.66 billion Reais will be contributed by the winning company [1] - Construction is anticipated to start in 2026 and be completed by 2030, with an operational period of 30 years [1] Group 3: Competitive Landscape - Mota-Engil won the bid by offering a 0.5% discount, outperforming its only competitor, the Spanish Acciona Group, which submitted a zero-discount bid [1] - Key Brazilian officials, including the Vice President and various ministers, attended the bidding event, highlighting the project's significance [1]
中国交建参股企业中标巴西首条沉管隧道项目
Xin Hua Cai Jing· 2025-09-06 09:06
Group 1 - China Communications Construction Company (CCCC) has a stake in the Portuguese Mota-Engil Group, which won the bid for the Santos-Guarujá underwater tunnel project in São Paulo, Brazil, with a total investment of approximately 7 billion reais (about 9.1 billion yuan) [2] - The project is part of Brazil's "New Growth Acceleration Plan" (Novo PAC) and is the largest engineering project under this plan, with 5.1 billion reais funded by the federal and São Paulo state governments, while the rest is covered by the winning consortium [2][3] - The tunnel will be 1.5 kilometers long, with 870 meters underwater, utilizing submerged tube construction technology, which has been successfully applied in Europe and Asia but is a first for Brazil [3] Group 2 - The tunnel will feature three lanes in each direction, with one lane reserved for light rail (VLT), as well as bike lanes, pedestrian pathways, and utility corridors [3] - The project is expected to significantly reduce travel time between Santos and Guarujá from an average of 18 minutes to under 5 minutes, enhancing logistics efficiency for the largest port in South America, the Port of Santos [3][4] - The project aligns with a broader investment plan in the region, with an estimated total investment of 12 billion reais over the next four years for port upgrades and urban renewal, aimed at improving Brazil's logistics competitiveness [4]
尼泊尔纳格邓加-锡斯内科拉(Nagdhunga–Sisnekhola)隧道2026年1月通车
Shang Wu Bu Wang Zhan· 2025-08-27 15:39
(原标题:尼泊尔纳格邓加-锡斯内科拉(Nagdhunga–Sisnekhola)隧道2026年1月通车) 尼泊尔纳格邓加-锡斯内科拉(Nagdhunga–Sisnekhola)隧道将于2026年1月通 车。目前工程进入最后阶段,仅剩边坡加固工作。该隧道全长2.688公里,通车 后两地通行时间将缩短至7分钟。隧道禁止摩托车、行人和危险品车辆通行。 该项目总投资220亿卢比,其中日本提供优惠贷款160亿卢比。 ...
马斯克:Grok 4现已免费提供给所有用户,免费用户每天可少量查询;苹果测试全新AI语音控制功能丨AIGC日报
创业邦· 2025-08-12 00:08
Group 1 - Musk announced that Grok 4 is now available for free to all users, with a daily query limit for free users [2] - NASA and Google are collaborating to develop an AI medical assistant called "Crew Medical Officer Digital Assistant" (CMO-DA), which aims to help astronauts diagnose and treat symptoms without a doctor [2] - The CMO-DA has shown accuracy rates of 74% for back pain, 80% for ear pain, and 88% for ankle injuries [2] Group 2 - A TBM big data mining community was established in Zhengzhou, attracting over 400 representatives from more than 160 domestic units [3] - The event also launched the first vertical large model in the tunnel and underground space field, named "Pioneer Tunnel Model" [3] - The model integrates AI and covers the entire lifecycle of tunnel construction, achieving safety, quality, efficiency, and sustainability in projects like the plateau railway tunnel and the Chongqing-Taiwan Yangtze River Tunnel [3]
护航济南“穿黄”起势
Jin Rong Shi Bao· 2025-08-05 02:35
跨河发展,交通是第一步。2018年,济南启动新一批跨河桥隧建设,推出"四隧四桥"跨黄通道,目 前"四桥"全部通车,"四隧"之一的济南黄河济泺路隧道也已建成,济南发展的"黄河时代"已从蓝图走向 现实。截至目前,建行山东省分行已为其余3条穿黄隧道项目提供信贷业务支持、为2条跨黄河通道项目 上线收费系统,合计批复固定资产贷款40亿元,投放36.42亿元。 打通"万里黄河第一隧" "济泺路穿黄北延隧道全长4.3公里,下穿邯济铁路、鹊山水库,是'万里黄河第一隧'济南黄河济泺路隧 道的后续工程,也是济南'北跨'战略的重要基础设施。"济南城市建设集团工程三部主管王彬说。 从空中俯瞰,它与已通车的济南黄河济泺路隧道几乎首尾相连,两条隧道接力,构成了济南主城区到新 旧动能转换起步区最便捷的交通要道。届时,只需8分钟,就可从济南主城区经济泺路、济泺路黄河隧 道、北延隧道,直达国道G308。 "济南黄河济泺路隧道建设时,资金需求极为紧迫。"王彬说,项目总投资为66.28亿元,资金需要利用 国内银行贷款解决。建行济南市中支行迅速启动响应机制,组建专业团队,在短时间内制定了详细融资 方案。 "建行山东省分行合计为城隧项目公司批复基本建 ...
建行山东省分行扎实落实黄河重大国家战略 40亿元,金融护航济南“穿黄”起势
Qi Lu Wan Bao· 2025-07-09 10:54
Core Viewpoint - The article highlights the significant infrastructure developments in Jinan, particularly the construction of multiple tunnels and bridges across the Yellow River, which are crucial for the city's urban expansion and connectivity [1][2][4]. Infrastructure Development - The Jinan government has initiated the construction of four tunnels and four bridges across the Yellow River, with all four bridges already completed and operational [1]. - The Jinan Huanghe Jiluo Road Tunnel, one of the key projects, has an average daily traffic capacity of 15,000 vehicles [1]. - The Jiluo Road North Extension Tunnel, a subsequent project, is 4.3 kilometers long and is expected to significantly reduce travel time between the main urban area and the new development zones to just 8 minutes [2]. Financial Support - The Construction Bank of Shandong Province has provided substantial financial backing for these projects, approving a total of 40 billion yuan in fixed asset loans, with 36.42 billion yuan already disbursed [1]. - For the Jiluo Road North Extension Tunnel, the total investment is 66.28 billion yuan, with the Construction Bank quickly mobilizing to create a financing plan to meet urgent funding needs [2][3]. - The bank has also approved 20 billion yuan in basic construction loans for the tunnel projects, demonstrating a strong commitment to supporting infrastructure development [3]. Technological Advancements - The construction of the Yellow River Crossing Tunnel has utilized the world's largest diameter underwater shield tunneling machine, which has successfully completed the excavation of the Yellow River section [4]. - This machine, named "Shanhe," features an intelligent system that allows for efficient operation with a minimal workforce [4]. Future Prospects - The Jinan Aerospace Avenue Tunnel, the last of the four tunnels to commence construction, is designed to connect key areas including the airport and logistics zones, enhancing the region's transportation network [6]. - The total investment for this tunnel is 61 billion yuan, with a diversified funding structure involving bank loans, special bonds, and self-raised funds [6]. - The Construction Bank is also involved in the project's operational management by participating in the toll system development, which will further stimulate regional economic growth [6]. Economic Impact - As of May, the Construction Bank's public loan balance for the nine cities along the Yellow River in Shandong Province reached 398.66 billion yuan, reflecting a year-to-date increase of 47.6 billion yuan and a growth rate of 13.6% [7].
交通畅、航运忙、能源供给有保障 重大工程“硬核”实力彰显中国力量
Yang Shi Wang· 2025-07-01 09:47
Group 1: Infrastructure Developments - The construction of the longest bridge under construction in the world, the Tongtaiyang Grand Bridge, has achieved a significant milestone with the successful closure of the cross-Yinjiang River cable-stayed bridge on July 1 [1][5] - The bridge spans 522.3 meters in total length, with a main span of 220 meters, and is the first cable-stayed bridge on the Tongtaiyang Grand Bridge to achieve closure [1][5] - The Shanghai-Chongqing-Chengdu high-speed railway, of which this bridge is a part, is a key national transportation corridor, covering approximately 2,100 kilometers across six provinces and cities, with a design speed of 350 kilometers per hour [5] Group 2: Transportation Enhancements - The Wuhu Longwan Yangtze River Tunnel, the first underwater tunnel in Anhui province, officially opened on July 1, significantly reducing travel time from the Jiangbei New District to Wuhu city center to just 5 minutes [6][10] - The tunnel, which is 6 kilometers long and designed for six lanes with a speed limit of 80 kilometers per hour, enhances cross-river transportation capacity and supports regional integration into the Yangtze River Delta [8][10] Group 3: Shipping and Logistics - The Three Gorges Hub reported a cargo throughput exceeding 80 million tons in the first half of the year, demonstrating the effective operation of its navigation structures [11] - The Three Gorges Ship Lock, which is the most complex inland ship lock in the world, has facilitated a cumulative cargo throughput of 2.24 billion tons since its opening in 2003, with an annual throughput consistently exceeding 100 million tons [14] Group 4: Renewable Energy Initiatives - The first unit of the Bala Hydropower Station, a key project in the western development initiative, was successfully connected to the grid on June 30, providing significant support for regional energy security [15] - The hydropower station, with a total installed capacity of 746,000 kilowatts, is expected to generate an average annual output of 2.553 billion kilowatt-hours, sufficient to meet the basic electricity needs of a city with a population of 1 million [15][19]
通行时间40分钟→5分钟 安徽首条过江隧道今日通车
Yang Shi Xin Wen· 2025-07-01 07:59
Core Viewpoint - The Wuhu Longwan Yangtze River Tunnel, the first underwater tunnel in Anhui Province, has been completed and opened to traffic, significantly reducing travel time across the river from 40 minutes to just 5 minutes [1][9]. Group 1: Project Overview - The tunnel is recognized as the "first tunnel of the 800-mile Wanjiang" and spans a total length of 6 kilometers, designed as a dual six-lane urban expressway with a speed limit of 80 km/h [6]. - The construction utilized a shield tunneling method for 4 kilometers, employing two large-diameter shield machines named "Wanjiang Fendou" and "Wanjiang Fuxing" [6]. - The project faced complex geological challenges, including over ten types of mixed strata, and successfully developed over 20 key technologies to address these issues [6]. Group 2: Safety and Monitoring - A "smart brain" integrated control platform was established within the tunnel, connecting 136 intelligent monitoring devices for real-time surveillance [7]. - An efficient fire protection system was implemented, featuring automatic activation and seamless integration with the command and dispatch system for rapid emergency response [7]. - Safety escape passages are provided every 60 meters, including conventional evacuation stairs and specially designed slides for the elderly and children [7]. Group 3: Economic and Regional Impact - The completion of the Wuhu Longwan Yangtze River Tunnel is expected to significantly enhance Wuhu's cross-river transportation capacity, facilitating regional development and integration into the Yangtze River Delta [9].