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].

Core Viewpoint - The commencement of the trial operation for the Jinan Metro Line 6 East Section marks a significant step towards its full operational readiness, aiming for a launch by the end of the year [1][9]. Group 1: Trial Operation - The trial operation is a crucial transition phase from construction to operation, involving a three-month period to simulate real operational conditions [3]. - During this period, the focus will be on professional skills training, emergency drills, automated operation testing, system integration, and regulatory framework development [3][9]. - Comprehensive verification of key systems such as vehicles, tracks, signals, and power supply will ensure safety, reliability, and efficiency for future passenger operations [3]. Group 2: Line Details - The East Section of Line 6 spans 19.5 kilometers, featuring 17 stations and one vehicle base, connecting significant areas like Shandong University and the Central Business District [5]. - The line will enhance travel efficiency for residents along the route and strengthen regional economic ties, contributing to Jinan's urban development [5]. Group 3: Construction Achievements - The East Section successfully passed project engineering acceptance on August 22, overcoming various construction challenges [7]. - Innovative technologies such as a dual-mode shield machine and an intelligent shield system were employed to address complex geological conditions during construction [7]. - Research on deep foundation techniques in water-rich areas has provided valuable insights for similar engineering projects [7].

Core Viewpoint - Recent significant progress has been made in the construction of multiple subway lines in Qingdao, including lines 5, 7, 9, and 15, which lays a solid foundation for subsequent engineering advancements [1] Group 1: Subway Line 5 - The main structure of the Metro Line 5 Dasha Station was completed 10 days ahead of schedule with the final concrete pouring on August 10, facilitating subsequent construction of auxiliary structures and shield machine reception [1] Group 2: Subway Line 7 - The construction of Line 7 achieved dual milestones with the "Xin.He" shield machine's cutter head breaking ground, successfully completing the left line tunnel from Beinan Station to Yingpu Road Station, and the right line shield machine entering the steel sleeve, marking dual line completion in the section from Wenfeng Road Station to Lan'ao Road Station [1] Group 3: Subway Line 9 - The shield section from Yuhuangling Station to Xijing Station (referred to as "Yuxi Section") successfully achieved dual line completion on August 18, marking a breakthrough in the first phase of Line 9 construction and yielding multiple technical achievements in full-section hard rock excavation, green energy segment application, and underground tunnel construction [1] Group 4: Subway Line 15 - The right line shield machine of the Dan Mountain Station to Yuxia Road Station section (referred to as "Dan-Yu Section") successfully broke through, marking dual line completion and laying the groundwork for subsequent track laying and electromechanical installation work [1]

Core Points - The construction of the Beijing Subway Line 22's Hebei section has reached significant milestones, with 70% of the main structure and 80% of the station structure completed [1][2] - The project, undertaken by China Communications First Highway Engineering Group, spans approximately 30 kilometers, with about 8 kilometers of bridge engineering, facing complex construction environments and technical challenges [1] - The line will enhance rapid connectivity between key areas in Beijing and Hebei, significantly improving commuting efficiency and promoting coordinated development in the Beijing-Tianjin-Hebei region [2] Summary by Sections Construction Progress - The final steel cover beam support stone has been poured, marking the completion of the bridge's substructure construction for the Hebei section of Line 22 [1] - The project has successfully overcome challenges related to complex geological conditions and sensitive surrounding environments through innovative technology and scientific management [1] Project Specifications - The total length of the Beijing Subway Line 22 is approximately 81.82 kilometers, connecting major functional areas such as Beijing's business center, urban sub-center, and key districts in Hebei [1][2] - The line will facilitate rapid transit, with travel times from Langfang's northern three counties to Beijing's urban sub-center reduced to as little as 9 minutes, and to the CBD in about 32 minutes [2] Strategic Importance - The completion of Line 22 is expected to significantly enhance the efficiency of commuter travel and is seen as a key project for the high-quality development of the "Railway on the Beijing-Tianjin-Hebei" initiative [2]

新华社深圳8月22日电（记者毛思倩、陈宇轩）记者22日从深圳地铁集团获悉，该集团近年联合华北电 力大学、西北工业大学深圳研究院，将缪子成像技术深度融入到多条地铁、城际铁路等轨道交通线路施 工全流程中，如同为盾构隧道拍"CT"一样，为我国轨道施工地下空间探查及灾害防控提供了新的思路 和方法。 缪子是一种基本粒子，宇宙射线里的高能缪子可以穿透岩石和金属，揭示地下世界的秘密。深铁集团工 程技术中心负责人介绍，缪子成像具有穿透能力强、空间分辨率高等特点，可根据不同地层密度区对缪 子的吸收差异特性进行成像，能应用于地下深层结构密度缺失区探测，就像"天然的地质探针"，帮助工 程技术人员看清地表之下的结构。 中国科学院高能物理研究所研究员、中国散裂中子源缪子源实验站负责人鲍煜表示，近年来，缪子成像 技术日益成熟，利用该技术进行内部结构的勘探就是其重要的应用场景之一，在采矿、地铁建设方面可 以发挥重要的作用。 据有关负责人介绍，该技术的应用源于2024年初深圳地铁16号线共建管廊项目在施工中遭遇难题：面对 近20米厚的复杂地层与交错密布的地下管线，传统钻探勘探仅能覆盖浅层区域，难以探明深层地质全 貌。为了破解"地下迷局"，深 ...

Core Viewpoint - The construction of the eastern section of Jinan Metro Line 6 is progressing rapidly, with the goal of opening for operation by the end of the year [1][5]. Group 1: Project Overview - Line 6 is a key east-west backbone line in Jinan's metro network, part of the city's second-phase planning, connecting major areas including Shandong University and the financial center [3]. - The eastern section spans approximately 19.5 kilometers with 17 underground stations [3]. Group 2: Construction Management - The project team has implemented an innovative management model combining "sample guidance and efficient collaboration," significantly enhancing construction efficiency [3]. - Advanced construction techniques, such as the "shield tunnel prefabricated steel spring track bed construction process," have been successfully applied, improving construction quality and precision [3]. Group 3: Current Progress - The project has completed critical preparations, including tunnel cleaning and various tests, while ensuring safety and quality [5]. - The current phase involves comprehensive system testing, ensuring seamless integration of various equipment and functionalities [5]. Group 4: Operational Readiness - The operational preparation for the eastern section is progressing efficiently, with staff conducting equipment testing and emergency drills [5]. - Ongoing tasks include static and dynamic testing of electric trains and thorough inspections of the operational area to ensure system stability and safety [5]. Group 5: Economic Impact - The completion of the eastern section will significantly alleviate traffic pressure in Jinan's main urban area and enhance connectivity between key regions, boosting economic ties and urban development [7]. - The Jinan Metro Group aims to continue improving construction standards and expedite subsequent work to meet the operational target by year-end [7].

Core Points - The construction of the Beijing Metro Line 22's Hebei section has reached significant milestones, with 70% of the main structure and 80% of the station structure completed [1][3] - The project, spanning approximately 30 kilometers, includes about 8 kilometers of bridge engineering and faces complex construction challenges due to its environment [3] - The line will enhance connectivity between key areas in Beijing and Hebei, significantly improving commuting efficiency and promoting regional development [3] Construction Progress - The final steel cover beam support cushion stone was poured on August 20, marking the completion of the bridge's substructure construction [1] - The main structure of the line has achieved a completion rate of 70%, while the station structure has reached 80% [1] Project Details - The Beijing Metro Line 22 is the first inter-provincial urban rail transit line between Beijing and Hebei, stretching approximately 81.82 kilometers [3] - The line connects major functional areas, including Beijing's business center, sub-center, and key regions in Hebei, facilitating rapid transit [3] Technical Innovations - The construction team has employed technical innovations and scientific management to overcome geological and environmental challenges [3] - Measures such as intelligent monitoring and improved drilling tools have been implemented to minimize construction disruption and enhance quality [3] Regional Impact - Upon completion, the line will enable rapid transit from Langfang's northern three counties to Beijing's sub-center in as little as 9 minutes, and to the CBD in approximately 32 minutes [3] - This project is seen as a significant step towards achieving high-quality integration of the Beijing-Tianjin-Hebei region [3]

Group 1 - The construction of the Phase II North Extension of Metro Line 13 has achieved "long rail connection," laying the foundation for subsequent electrical communication, system debugging, and operational opening [1] - The Phase II North Extension will connect with Phase I of Line 13, allowing travel from Guangming Science City to Shenzhen Bay Port in 45 minutes [1][2] - The total length of the Phase II North Extension is approximately 19.25 kilometers, with 11 stations and 1 vehicle depot, while also reserving conditions for future connection with Dongguan Metro [1] Group 2 - The completion of Phase II North Extension will serve as a major urban rail transit line connecting Nanshan, Bao'an, and Guangming districts, effectively alleviating north-south traffic pressure in western Shenzhen [2] - The new line will significantly shorten travel times and enhance the commuting experience for citizens, while strengthening rapid connections between Guangming Science City, Nanshan Technology Park, and Shenzhen Bay Super Headquarters Base [2] - This development will further promote the interconnectivity of rail transit within the Guangdong-Hong Kong-Macao Greater Bay Area [2]

Group 1 - The completion of the last pair of rail joints for the Shenzhen Metro Line 13 Phase II North Extension marks a significant milestone in the construction progress, achieving "long rail connectivity" [1] - "Long rail connectivity" is a crucial node in subway construction, allowing for seamless welding of rails to prepare the line for vehicle testing [1] - The project has faced challenges such as complex surrounding environments and limited work areas, but has successfully utilized new technologies and innovative construction methods to ensure high-quality completion [1] Group 2 - The North Extension of Line 13 spans 19.25 kilometers, starting from Shangwu Station in Bao'an District and ending at Lishongli Station in Guangming District, with 11 stations planned [2] - Once operational, the North Extension will connect the Nanshan, Bao'an, and Guangming districts, alleviating north-south traffic pressure in western Shenzhen and significantly reducing travel time for citizens [2] - The extension will enhance rapid connectivity between key areas such as Guangming Science City and Nanshan Technology Park, further promoting the interconnectivity of the Guangdong-Hong Kong-Macao Greater Bay Area's rail transit [2]