新华社北京9月12日电 记者从中国铁建股份有限公司获悉，12日，由中国铁建大桥局承建的上海地铁23 号线项目沪金高速站主体结构封顶，标志着该线路核心标段建设取得重要进展，正式转入附属结构施工 阶段。 上海地铁23号线全长约28.6公里，线路建成后，将串联闵行开发区、紫竹高新区、徐汇滨江等重要区 域。 据中国铁建大桥局该项目负责人介绍，该车站为地下二层岛式车站，全长505米，总建筑面积约2.1万平 方米。车站周边环境复杂，紧贴沪金高速高架区间，地下有多条市政管线，施工难度与安全风险极高。 ...

当地时间9月2日，由中国港湾工程有限责任公司承建的波哥大地铁一号线项目首列6辆编组车辆抵达哥伦比亚卡塔赫纳港。中国港湾工程有限责任公司供图 中国港湾波哥大地铁一号线项目副总经理杨启武表示，波哥大地铁一号线全体成员将与广大波哥大市民同心协力，以高度的使命感与专业精神，全力以 赴推进项目建设，确保近一个世纪的"地铁梦"圆满实现，有效缓解城市交通拥堵。 人民网里约热内卢9月2日电 （记者陈一鸣、时元皓）哥伦比亚卡塔赫纳消息：当地时间9月2日，由中国港湾工程有限责任公司承建的哥伦比亚首都波 哥大地铁一号线项目首列6辆编组车辆抵达哥伦比亚卡塔赫纳港，中国驻哥伦比亚大使朱京阳、波哥大市长卡洛斯·加兰等到场迎接并出席接车仪式。 当地时间9月2日，由中国港湾工程有限责任公司承建的波哥大地铁一号线项目首列6辆编组车辆抵达哥伦比亚卡塔赫纳港。中国港湾工程有限责任公司供图 朱京阳表示，中国企业克服困难奋力建设地铁一号线项目，大力培养当地人才，这是两国合作共赢的鲜活例证。中方愿在共建"一带一路"倡议框架下发 挥能力优势，为哥伦比亚基础设施发展提供更大支持。 当地时间9月2日，由中国港湾工程有限责任公司承建的波哥大地铁一号线项目首列6 ...

Core Viewpoint - The Ningbo Metro Line 7, constructed by China Railway Sixth Group's transportation division, has officially commenced operations, bringing the total operational mileage of Ningbo's metro system to 262 kilometers [2]. Group 1: Project Overview - Ningbo Metro Line 7 has a total length of 39.4 kilometers, entirely underground, with 25 stations starting from Yinzhou Yunlong and ending at Zhenhai Yufan [2]. - The line connects several key areas including Qiuai, Eastern New Town, Sanjiangkou, Old Bund, Wantou, Zhuangqiao, and Zhenhai New Town [2]. Group 2: Technical Challenges and Solutions - The project faced significant technical challenges due to Ningbo's soft soil, abundant groundwater, and complex geological conditions [2]. - The project team emphasized the construction of a structural self-waterproofing system, utilizing reinforced concrete as the primary method, supplemented by a flexible full-package waterproof layer for enhanced protection [2]. Group 3: Quality Control Measures - The project implemented a strict "three-inspection system" and "sample-based guidance" to ensure quality control throughout the construction process [2]. - Automated monitoring equipment was introduced to continuously track structural deformation, surrounding building settlement, and groundwater level changes, with real-time data uploaded to a smart construction platform for early risk detection and management [2]. Group 4: Noise Control Measures - Special funds were allocated for the procurement of low-noise equipment, and soundproof covers were installed on high-noise machinery [2]. - During nighttime construction, high-noise operations were strictly limited, and hydraulic breakers were used instead of traditional blasting to keep noise levels below 55 decibels, minimizing the impact on nearby residents [2].

Core Points - The Jinan Metro Line 4 has commenced trial operation, which will enhance the overall metro network in Jinan [1] - The line, constructed by Jinan Metro Group and China Railway 14th Bureau, spans 40.3 kilometers and runs through densely populated areas along Jinan's main thoroughfare, alleviating traffic pressure [2] - The construction faced challenges due to spring water protection and complex karst geological conditions, with approximately 300 caves in a 1-kilometer section [2] - The construction team prioritized environmental protection by developing new eco-friendly materials and creating a diversion channel system to minimize impact on the underground environment [2] - Jinan Metro Line 8 also began trial operation on the same day, which will connect with Line 4, contributing to the alleviation of east-west traffic congestion and promoting economic development in the region [2]

Core Viewpoint - The opening of Ningbo Metro Line 7 significantly enhances urban transportation connectivity and supports regional development, with a total operational mileage of 262 kilometers for the Ningbo rail transit network [2][3]. Group 1: Project Overview - Ningbo Metro Line 7 spans approximately 39.4 kilometers, entirely underground, with 25 stations connecting key areas such as Yinzhou, Jiangbei, and Zhenhai [2]. - The line aims to improve traffic integration between different districts, thereby enhancing the city's overall competitiveness and facilitating regional development [2]. Group 2: Benefits and Innovations - The new line is expected to save commuters an average of 20 minutes in travel time, improving daily convenience for residents [2]. - Multiple stations on Line 7 utilize prefabricated assembly methods, which reduce construction time by about 40% and lower energy consumption, aligning with environmental sustainability goals [2]. Group 3: Integration with Other Transport Modes - The project includes the addition and optimization of 28 bus stops and transfer facilities, effectively addressing the "last mile" issue for citizens [3]. - A multi-layered, barrier-free transfer system is being established, integrating metro, bus, shared bicycles, and ride-hailing services for all-weather convenience [3]. Group 4: Future Developments - The opening of Line 7 is part of a broader strategy to alleviate traffic pressure in Ningbo and promote urban industrial upgrades through models like "metro + culture" and "metro + commerce" [3]. - Future plans include further enhancements to the rail transit network, aiming for a greener, more efficient, and smarter urban transportation system [3].

Core Points - Ningbo Metro Line 7 officially opened on August 29, covering a total length of 39.4 kilometers and connecting key areas such as Zhenhai New Town and Dongbu New Town [1][3] - The opening of Line 7 increases the total operational mileage of Ningbo Metro to over 262 kilometers, enhancing the city's transportation network [1][3] - The line features 25 underground stations and integrates with existing lines (1-5) and the under-construction Line 6, as well as regional railways, creating a comprehensive transportation system [3] Company Involvement - China Railway 10th Bureau played a significant role in the construction of Line 7, specifically in the power supply system for 10 stations and 11 sections [3] - The project faced high construction difficulty and safety risks, but the team successfully implemented an innovative construction model to ensure timely completion of electrical systems [3] Future Developments - The opening of Line 7 is expected to enhance Ningbo's service capacity in public transportation and support the development of major strategic platforms like Ningbo West Hub and Qianwan New Area [3] - Ningbo plans to continue advancing its metro construction, aiming to establish a modern transportation system that connects the city center, surrounding areas, and the Yangtze River Delta [3]

Group 1 - Dongguan Rail Transit Line 1 Construction Development Co., Ltd. has been administratively punished for illegal land occupation by the Dongguan Natural Resources Bureau [1] - The company illegally occupied a total of 357 square meters, 178.9 square meters, 915.8 square meters, and 380.4 square meters of land, which must be returned to respective economic cooperatives within 15 days [1] - A fine of RMB 133,486 has been imposed for the illegal occupation of 1,832.1 square meters of land, along with the confiscation of buildings and facilities on that land [1] Group 2 - The company has also illegally constructed ground facilities for the Dongguan Rail Transit Line in 2020 and 2023 without proper approval [1] - Additional illegal land occupations include 16.93 square meters, 217.01 square meters, 338.48 square meters, and 25.55 square meters, which must also be returned to various economic cooperatives within 15 days [2] - Total fines for these additional illegal occupations amount to RMB 77,215.4, with specific fines for different types of land [2] Group 3 - Dongguan Rail Transit Line Construction Development Co., Ltd. was established on June 28, 2019, with Lai Zhiwei as the legal representative and is a subsidiary of Dongguan Rail Project Investment Co., Ltd. [3]

Group 1 - The construction of Hangzhou Metro Line 18 Phase I is progressing well, with most stations entering the foundation excavation stage, marking significant advancements in the project [1] - The Huajiachi Station's parking line features the "Triumphant" shield machine, which is the first ultra-large rectangular shield machine used in metro parking line tunnel construction in China, designed to minimize the impact on surface buildings and traffic [1] - The project spans 48.3 kilometers with 19 stations, 15 of which are transfer stations, enhancing connectivity between the main urban area and the suburban regions of Linping and Xiaoshan [1] Group 2 - The Hangzhou Metro Line 9 Phase II, located in Linping District, is 10 kilometers long with 7 stations, currently progressing into the shield tunneling phase [2] - The Hangzhou Metro Line 15 Phase I, approximately 41 kilometers long with 30 stations, has also made significant progress, with key structural milestones achieved at various stations [2]

Core Points - The official launch of the empty test run for the eastern section of Jinan Metro Line 6 marks the transition to the operational preparation phase, laying the groundwork for its opening by the end of the year [1][5] - The eastern section spans 19.5 kilometers, featuring 17 stations and 1 vehicle base, connecting key areas such as Shandong University and the Central Business District, enhancing the regional transit network [3][5] Group 1 - The project successfully passed engineering acceptance on August 22, with significant technological advancements employed during construction, including the use of Jinan's first dual-mode shield machine and an intelligent shield system for real-time monitoring [3][5] - The construction faced challenges, particularly in complex geological areas, where innovative techniques were developed to address deep excavation issues, ensuring the project's progress [3][5] Group 2 - The three-month test run will simulate real operational conditions, focusing on professional training, emergency drills, and comprehensive system testing to ensure safety and reliability for future passenger operations [5] - The opening of Line 6 is expected to significantly improve travel efficiency for residents along the route and enhance economic connectivity in the region, providing a boost to Jinan's urban development [5]

Core Viewpoint - The official launch of the trial operation for the Jinan Metro Line 6 East Section marks a critical phase in the preparation for full operation, aiming for a high-standard opening by the end of the year [1][5]. Group 1: Trial Operation and Preparation - The trial operation commenced on August 26, transitioning the metro from construction to operational readiness, with a focus on training, emergency drills, and system testing [1]. - The trial period will last for three months, during which the operational team will validate the safety, usability, and reliability of key systems including vehicles, tracks, signals, and power supply [1]. Group 2: Project Details and Achievements - The East Section of Line 6 spans 19.5 kilometers, featuring 17 stations and one vehicle base, connecting significant areas such as Shandong University and the Central Business District [1]. - The project successfully passed engineering acceptance on August 22, utilizing advanced technologies like a dual-mode shield machine and an intelligent shield system for complex geological conditions [2]. Group 3: Future Steps - Following the trial operation, the East Section will proceed with operational drills, system acceptance, and safety evaluations to ensure a smooth and efficient launch by year-end [5].