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“拓荒牛”始发在即!大湾区这一时速350公里高铁进度刷新
Nan Fang Du Shi Bao· 2025-10-24 15:17
Core Insights - The launch of a large-diameter shield machine, featuring the "Pioneer Bull" design, marks a significant advancement in the construction of the Shenzhen to Shenshan Cooperation Zone Railway (Shenshan High-speed Railway) [1] - The Shenshan High-speed Railway is the first high-speed rail line in the Guangdong-Hong Kong-Macao Greater Bay Area, designed for a speed of 350 km/h, connecting key urban areas [1][2] Group 1 - The Shenshan High-speed Railway has a total length of 125.5 kilometers, starting from Xili Station in Shenzhen and connecting to four major transportation hubs [1] - The project is a crucial part of the national "Eight Horizontal and Eight Vertical" high-speed rail network and aims to enhance the rail transport infrastructure in the Greater Bay Area [1] - The Longgang Tunnel, a key section of the railway, is 10,307 meters long and designed for a speed of 350 km/h, utilizing both shield and mining construction methods [1] Group 2 - Construction of the Shenshan High-speed Railway began in January 2021, with a high bridge-tunnel ratio of 92.6%, currently in critical shield construction stages [2] - Upon completion, travel time from Shenzhen to the Shenshan Cooperation Zone will be reduced from 47 minutes to 30 minutes, significantly improving connectivity to the eastern Guangdong city cluster [2] - The railway will facilitate access to the Haixi city cluster in 2 hours and the Yangtze River Delta city cluster in 5 hours, optimizing Shenzhen's external rail connections [2]
14米级超大直径盾构机长沙下线 将用于深汕高铁龙岗隧道
Zhong Guo Xin Wen Wang· 2025-10-24 12:29
深汕高铁是粤港澳大湾区首条由单一城市全资建设、设计时速350公里、连接深圳核心区与深汕特别合 作区的城际高速铁路。线路全长125.5公里,起自深圳枢纽西丽站,终至深汕特别合作区深汕站,连接 深圳西丽站、罗湖北站、深圳坪山站、深汕站四大交通枢纽,是国家《中长期铁路网规划》"八横八 纵"高铁主通道中沿海高速通道的重要组成部分,是完善粤港澳大湾区轨道交通建设的重点工程。 中新网长沙10月24日电(向一鹏刘福昌赵耀荣)24日,一台开挖直径14米级、刀盘涂装"拓荒牛"图案的超 大直径盾构机在湖南长沙下线,将应用于新建深圳至深汕合作区铁路(以下简称"深汕高铁")龙岗隧道工 程。 10月24日,将用于深汕高铁龙岗隧道的超大直径盾构机在长沙下线。刘福昌摄 这台由中铁十四局和中国铁建重工集团联合研制的装备,具有完全自主知识产权,即将整装入列。 据悉,由中铁十四局承建的龙岗隧道中段是全线重难点项目,隧道全长10307米,单洞双线,设计时速 350公里,采用盾构和矿山法施工。其中盾构段长3685米,最大埋深97米,岩层最大强度83兆帕。 据中铁十四局项目盾构经理蔡明聪介绍,针对施工难点量身定制的这台泥水平衡盾构机,开挖直径 14. ...
中交天和全面贯彻新发展理念 做新质生产力的“碳”索者
Zhong Guo Fa Zhan Wang· 2025-05-19 06:59
Core Viewpoint - The article emphasizes the commitment of China Communications Construction Company (CCCC) Tianhe to innovation-driven, intelligent, and green development in engineering equipment, aligning with the new development philosophy established by the Chinese government [1][8]. Group 1: Innovation and Technology Development - CCCC Tianhe is advancing the efficiency and energy consumption of tunnel equipment through technological innovation, including the development of key technologies such as intelligent diagnosis and control for slurry balance shield machines and large-diameter shield machines [2]. - The company has developed a high-performance variable frequency drive that breaks foreign monopolies, significantly reducing energy consumption through low-speed, high-power, and high-precision control [2]. - The implementation of AI algorithms in the control system allows real-time adjustments to excavation parameters, leading to a substantial reduction in idle losses [2]. Group 2: Environmental Sustainability - The automated slurry treatment system developed by CCCC Tianhe achieves an 85% recycling rate of excavation waste, while the closed transportation and water circulation systems ensure over 90% reuse of construction water [3]. - The company’s remanufacturing initiatives are recognized as a key demonstration project by the Ministry of Industry and Information Technology, promoting a circular economy and significantly reducing energy consumption and air pollutants [4][5]. - The remanufacturing process can lower energy consumption by over 60% and reduce atmospheric pollutants by over 80%, while generating minimal solid waste [5]. Group 3: Renewable Energy and Carbon Reduction - CCCC Tianhe is actively involved in the renewable energy sector, utilizing 30,000 square meters of solar photovoltaic panels to save nearly 3 million kilowatt-hours of electricity annually, providing over 50% of its manufacturing power from clean energy [6]. - The company has developed the world's first new type of offshore wind power rock drilling machine, which addresses low efficiency issues in large-diameter rock drilling and supports the installation of over 4,200 megawatts of wind power capacity [7]. - The offshore wind power equipment contributes to an annual clean electricity generation of 12.5 billion kilowatt-hours, equivalent to saving approximately 3.3 million tons of standard coal and reducing carbon dioxide emissions by about 9 million tons [7]. Group 4: Comprehensive Development Strategy - CCCC Tianhe is committed to integrating the new development philosophy across all aspects of its operations, focusing on green technology innovation and establishing a carbon emission management mechanism [8]. - The company aims to enhance the entire lifecycle carbon emission accounting system and promote green low-carbon collaboration across the entire industry chain [8].