青岛地铁15号线建设“加速跑”

Group 1 - The successful completion of the TBM left line between Tianshan First Road Station and Tianshan Second Road Station marks a significant milestone for the construction of Qingdao Metro Line 15, accelerating the overall project progress [2][3] - The project team employs a refined, intelligent, and mechanized management approach, utilizing a "double-line linkage" mechanism to apply experiences from the right line construction to the left line [2] - The TBM section, approximately 2.5 km long, overcame various technical challenges, including fault zone excavation and surface settlement control, through advanced techniques such as "pre-injection grouting reinforcement + intelligent drainage monitoring" [2][3] Group 2 - The construction of Qingdao Metro Line 15 is crucial for connecting the districts of Chengyang, Licang, and Laoshan, effectively alleviating north-south traffic pressure in the main urban area [3] - The project team emphasizes strict adherence to the "team responsibility system" and proactive geological forecasting to ensure precise analysis and control throughout the construction process [3] - Moving forward, the company aims to enhance safety and quality control, optimize process coordination, and ensure efficient progress of the remaining construction work [3]