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铁龙过江,见证水下盾构技术跃迁(经济新方位)
Ren Min Ri Bao· 2025-10-10 22:10
2005年,"万里长江第一隧"——武汉长江隧道江南始发井正式开挖,拉开我国以隧道穿越长江的序幕。 2025年,"万里长江高铁第一隧"——渝厦高铁重庆菜园坝长江铁路隧道盾构段近日顺利贯通。 从长江中下游到上游,从公路到地铁、高铁隧道,万里长江,多条隧道穿越,见证水下盾构技术跃迁。 以毫米级精度掘进 高铁隧道成功穿越长江 重庆菜园坝长江铁路隧道,中国高铁首次穿越长江,难度何在? 隧道全长约11.9公里,连接重庆渝中区与南岸区,需穿越"山、城、水、江"4种环境。其 中,"山""城""水"分别是重庆长江南岸的铜锣山山脉、重庆市区和翠云水库等4处水体。 "江",则是长江主航道。隧道穿江段长度仅1282米,但泥岩砂岩变化反复,节理裂隙带多,最小覆岩厚 度仅10米。 建成这样一条超高难度隧道,对盾构装备与施工工艺要求很高。 装备上,使用我国自主选型设计的大直径泥水平衡盾构机——"长江号"盾构机。 这台直径12.66米,总长142米,总重量约3500吨的巨无霸,配备开挖仓高精度气液压力平衡控制系统, 能精准调节盾构机开挖面压力,顶住前方巨大的水土压力,保证隧道掘进安全。 隧道全线贯通后,重庆站与重庆东站将实现快捷贯通,渝湘高 ...
全球首台原位连续大尺寸可变径盾构机下线
Zhong Guo Xin Wen Wang· 2025-09-30 12:07
Core Viewpoint - The launch of the world's first in-situ variable diameter shield machine "Bianjing No. 1" marks a significant breakthrough in China's rail transit construction, enhancing the country's high-end equipment manufacturing capabilities [1][2] Group 1: Technological Innovation - "Bianjing No. 1" shield machine integrates the construction of interval tunnels and station tunnels, addressing issues related to traditional construction methods such as ground excavation, construction interruptions, and site occupation [1][2] - The machine can freely adjust its diameter, achieving innovative "one station, two tunnels, continuous forming" construction, which is a world-first technology [2] - The project team overcame multiple global challenges and integrated various independent innovative technologies, including multi-cutter beam synchronous expansion and intelligent control systems [2] Group 2: Economic and Environmental Impact - The successful development of "Bianjing No. 1" provides a new green, safe, efficient, and resource-conserving construction solution for global underground engineering [2] - The machine is particularly suitable for construction in densely built, busy urban core areas, achieving "small disturbance, low impact, and micro-interference" [1]
见证历史 中国“灯塔工厂”全球霸榜
Mei Ri Jing Ji Xin Wen· 2025-09-18 14:36
Core Insights - The "14th Five-Year Plan" period is a milestone for China's technological innovation development, with significant improvements in innovation capabilities and foundational support for becoming a technology powerhouse [1][4]. R&D Investment and Achievements - By 2024, China's total R&D investment is expected to exceed 3.6 trillion yuan, a 48% increase from 2020, with an R&D intensity of 2.68%, surpassing the EU average [1]. - Basic research funding will reach 249.7 billion yuan in 2024, a growth of over 70% since 2020, with major breakthroughs in quantum technology, life sciences, material sciences, and space sciences [1]. Technological Advancements - The country has made significant strides in key technologies, particularly in high-end equipment and advanced manufacturing, facilitating the transformation of traditional industries towards high-end, intelligent, and green production [4]. - The "京华号" shield machine set a record of 542 meters of excavation in a month, and the "梦想" deep-sea drilling vessel can reach depths of 11,000 meters, showcasing advancements in high-end equipment [4]. Emerging Industries - China is fostering the growth of emerging industries through deep integration of technology and industry, achieving major breakthroughs in new-generation information technology and renewable energy [5]. - Approximately 4.6 million 5G base stations have been established, maintaining global leadership in technology and user numbers, which supports digital upgrades across various sectors [6]. Environmental and Agricultural Innovations - Efforts to improve air quality have led to an 18% reduction in PM2.5 concentration in the Beijing-Tianjin-Hebei region through precise pollution control measures [9]. - Advances in agricultural technology include the development of disease-resistant and drought-resistant crop varieties, enhancing food security and agricultural productivity [10]. Transportation and Healthcare Developments - The CR450 train can reach speeds of 400 km/h, and the C919 aircraft has received over 1,000 domestic and international orders, marking significant milestones in transportation technology [10]. - Innovations in healthcare include the development of a 5.0T MRI machine and a dual-antibody drug for cancer treatment, which have improved patient care and reduced costs [11].
全国新能源汽车累计销售突破4000万辆
中国能源报· 2025-09-18 09:10
Core Insights - Cumulative sales of new energy vehicles in China have surpassed 40 million, maintaining the world's highest production and sales for 10 consecutive years [1] Group 1: Technological Innovation - During the 14th Five-Year Plan period, China has focused on strengthening key core technology breakthroughs and their application, leading to positive outcomes in technological innovation [1] - In the high-end equipment sector, China has independently developed the "Jinghua" 16.07-meter ultra-large diameter shield machine and the first domestically designed and built "Dream" deep-sea drilling vessel [1] - In advanced manufacturing, technologies such as artificial intelligence, the Internet of Things, and big data are facilitating the transition from traditional manufacturing to intelligent manufacturing, with China having the highest number of "lighthouse factories" globally, accounting for over 40% [1] Group 2: Digital and Renewable Energy Development - In the information sector, approximately 4.6 million 5G base stations have been established in China, maintaining a global lead in technology and user numbers, which supports the digital transformation across various industries [1] - In the renewable energy sector, China continues to break world records in photovoltaic silicon battery efficiency, with new installations of solar and wind power exceeding 100 million kilowatts for four consecutive years [1] - The cumulative sales of new energy vehicles in China have reached over 40 million, contributing significantly to global carbon reduction goals [1]
我国已建成约460万个5G基站 全国新能源汽车产销量连续10年全球第一
Yang Shi Xin Wen· 2025-09-18 08:09
Group 1 - The Chinese government is focusing on strengthening key core technology breakthroughs and application achievements during the "14th Five-Year Plan" period, with positive results in technological innovation leading to new productive forces [1] - In the high-end equipment sector, China has independently developed the "Jinghua" 16.07-meter ultra-large diameter shield machine and the first domestically designed and built "Dream" deep-sea drilling vessel [1] - In advanced manufacturing, technologies such as artificial intelligence, the Internet of Things, and big data are enabling the transition from traditional manufacturing to intelligent manufacturing, with China having the largest number of "lighthouse factories" globally, accounting for over 40% [1] Group 2 - Approximately 4.6 million 5G base stations have been built in China, maintaining a global lead in technology and user numbers, facilitating digital upgrades across various industries [1][2] - In the renewable energy sector, China has continuously broken world records for photovoltaic silicon battery efficiency, with new installations of photovoltaic and wind power exceeding 100 million kilowatts for four consecutive years; cumulative sales of new energy vehicles have surpassed 40 million, maintaining the global lead for ten consecutive years [1] - In the field of artificial intelligence, multiple general models have emerged in China, with some achieving accuracy rates exceeding 95%, creating over a hundred benchmark application scenarios [2]
我国“灯塔工厂”数量全球居首
Bei Jing Shang Bao· 2025-09-18 08:05
Group 1 - During the "14th Five-Year Plan" period, China has strengthened key core technology research and application, achieving positive results in technological innovation leading to new productive forces development [1] - In the high-end equipment sector, China has independently developed the "Jinghua" 16.07-meter ultra-large diameter shield machine and the first domestically designed and built "Dream" deep-sea drilling vessel [1] - In advanced manufacturing, technologies such as artificial intelligence, IoT, and big data are enabling the transition from traditional manufacturing to intelligent manufacturing, with China having the largest number of "lighthouse factories" globally, accounting for over 40% [1] - Approximately 4.6 million 5G base stations have been built in China, maintaining global leadership in technology and user numbers, facilitating digital upgrades across various industries [1] - In the renewable energy sector, China has continuously broken world records for photovoltaic silicon battery efficiency, with new installations of solar and wind power exceeding 100 million kilowatts for four consecutive years; cumulative sales of new energy vehicles have surpassed 40 million, maintaining global leadership in production and sales for ten consecutive years [1] Group 2 - China is proactively laying out advanced technologies such as artificial intelligence and brain-computer interfaces, creating new advantages in emerging industries [2] - In the field of artificial intelligence, multiple general models have emerged in China that reach international advanced levels, with some models achieving accuracy rates exceeding 95%, creating over a hundred benchmark application scenarios [2] - Breakthroughs in humanoid robot technology have been achieved, with advancements in multi-modal perception and brain-cerebellum models, promoting the deep integration of humanoid robots in applications such as automotive manufacturing, logistics, and power inspection [2] - In the brain-computer interface sector, significant progress has been made, helping paraplegic patients stand and walk, and blind individuals regain light perception; domestic brain stimulators have been fully commercialized, aiding 30,000 Parkinson's disease patients in improving motor functions [2]
超前布局AI等前沿技术 “十四五”时期我国核心技术攻关成果显著
Yang Shi Xin Wen· 2025-09-18 07:36
Group 1 - The core viewpoint emphasizes the importance of technological innovation in driving high-quality development during the "14th Five-Year Plan" period in China [1] - The country has made significant advancements in key core technologies and their applications, leading to positive outcomes in various sectors [1] Group 2 - In the high-end equipment sector, China has developed the "Jinghua" 16.07-meter ultra-large diameter shield tunneling machine and the first domestically designed and built "Dream" deep-sea drilling vessel [2] - In advanced manufacturing, technologies such as artificial intelligence, the Internet of Things, and big data are facilitating the transition from traditional manufacturing to intelligent manufacturing, with China having the largest number of "lighthouse factories" globally, accounting for over 40% [2] - Approximately 4.6 million 5G base stations have been established in China, maintaining a global lead in technology and user numbers, which supports digital upgrades across various industries [2] - In the renewable energy sector, China has continuously broken world records for the efficiency of photovoltaic silicon batteries, with new installations of solar and wind power exceeding 100 million kilowatts for four consecutive years; cumulative sales of new energy vehicles have surpassed 40 million, maintaining the world's highest production and sales for ten consecutive years [2] Group 3 - China is proactively laying out plans for future industries, focusing on cutting-edge technologies such as artificial intelligence and brain-computer interfaces to create new advantages [3] - In the field of artificial intelligence, several domestic general models have reached internationally advanced levels, with some achieving accuracy rates exceeding 95%, leading to the development of over a hundred benchmark application scenarios [3] - Breakthroughs in humanoid robot technology, including multi-modal perception and brain-cerebellum models, are accelerating the application of humanoid robots in sectors like automotive manufacturing, logistics, and power inspection, laying a solid foundation for the development of a trillion-dollar industry [3] - The brain-computer interface technology has enabled paraplegic patients to stand and walk, and blind individuals to regain light perception; domestically produced brain stimulators are now fully commercialized, helping 30,000 Parkinson's disease patients improve motor functions across 400 hospitals in eight countries [3]
【中流砥柱】黄河奔流看今朝
Zheng Zhou Ri Bao· 2025-09-18 00:56
Core Viewpoint - The article emphasizes the importance of ecological protection and high-quality development in the Yellow River basin, particularly focusing on Zhengzhou as a central city driving these initiatives [1][3][4]. Economic Performance - Zhengzhou's GDP exceeded 1.45 trillion yuan, with a growth rate of 5.7% [1]. - The total import and export value reached 556.58 billion yuan, maintaining its position as the leading city in central China [1]. - The city's R&D investment intensity is expected to reach 2.8%, surpassing the national average for three consecutive years [1]. Strategic Planning - A comprehensive planning framework has been established, including the overall development plan for Zhengzhou and various specialized plans for ecological governance, flood control, and cultural tourism [4]. - The planning system is structured as "1+1+1+N," indicating a multi-faceted approach to development [4]. Infrastructure Development - Since 2019, Zhengzhou has implemented over 400 key projects, with total investments exceeding 120 billion yuan, focusing on ecological protection and innovation [6]. - Major projects include the Yellow River flood control works and ecological restoration initiatives, enhancing the city's flood control standards [6]. Open Economy and Logistics - Zhengzhou has enhanced its logistics capabilities through the "Four Silk Roads," becoming a significant hub for domestic and international trade [7][8]. - The "Air Silk Road" to Luxembourg has established a robust international cooperation framework, with over 6,000 flights operated, facilitating the import of high-end goods and export of "Made in China" products [7]. Technological Innovation - Zhengzhou has made significant strides in technological innovation, ranking in the top 20 of China's cities for innovation competitiveness [10]. - The city has seen a surge in technology contract transactions, reaching 56 billion yuan in the first half of the year [10]. - Key projects in the tech sector include the establishment of new laboratories and partnerships with leading companies like Huawei and BYD [12]. Environmental Initiatives - Zhengzhou has undertaken extensive ecological restoration projects, including the creation of parks and green spaces along the Yellow River, with over 49,000 acres of ecological greening achieved [6]. - The city has successfully addressed over 1,800 ecological issues along the river since 2020, demonstrating a commitment to environmental sustainability [6].
印度跳反后,中国反其道而行!给莫迪甜头,力挺印美关税战打到底
Sou Hu Cai Jing· 2025-08-24 05:49
Group 1 - The core viewpoint of the articles highlights the fluctuating dynamics of China-India relations, showcasing initial cooperation followed by a sudden shift in India's stance [1][3][4] - India's dependence on China for essential resources such as fertilizers, rare earths, and tunneling machines is emphasized, indicating the economic motivations behind India's initial friendliness [3][4] - The article discusses India's internal pressures, including nationalism and U.S. influence, which complicate its diplomatic balancing act between China and the U.S. [4][5] Group 2 - China's response to India's changing behavior is characterized by a supportive stance, including criticism of U.S. tariffs and promises of resource exports, which aim to strengthen ties with India [5][8] - The articles suggest that China's strategy is to exploit the current U.S.-India trade tensions, positioning itself as a more reliable partner for India in contrast to the U.S. [8][10] - The future of India-China relations hinges on India's ability to navigate its dual approach without alienating either side, as missteps could lead to losing benefits from both nations [10]
常熟企业给“大国重器”装上“AI大脑”
Xin Hua Ri Bao· 2025-08-14 21:43
Core Viewpoint - Jiangsu Province's Science and Technology Department has announced the proposed project list for the 2025 frontier technology R&D projects, with a focus on advancing key technologies in the construction industry, particularly through the development of an intelligent operation system for shield tunneling machines [1] Group 1: Project Overview - The project titled "Key Technology R&D for Intelligent Operation System Driven by Digital Twin for Shield Tunneling Machines" has been selected for funding [1] - The shield tunneling machine, known as the "steel pangolin," is essential for tunnel excavation and underground engineering [1] Group 2: Challenges Addressed - Traditional shield tunneling machines face several challenges, including low integration of heterogeneous sensor data, difficulties in lifecycle data continuity, poor real-time geological perception, and weak adaptive capabilities in intelligent decision-making under abnormal conditions [1] Group 3: Collaborative Efforts - The company, China Communications Construction Company Tianhe Machinery Manufacturing Co., Ltd., is collaborating with Southeast University, Central South University, and Suzhou Rail Transit Technology Innovation Research Institute to develop an integrated system with independent intellectual property rights [1] Group 4: R&D Investment and Achievements - In recent years, Changshu has focused on breakthroughs in key core technologies, resulting in over 20 project approvals and more than 50 million yuan in funding support, which has leveraged over 400 million yuan in R&D investment [1]