青岛地铁15号线项目天山二路站完成全面封顶

Core Insights - The Qingdao Metro Line 15 project has achieved a significant milestone with the completion of the Tianshan Er Road Station, marking the full topping out of the station [1][3] Group 1: Project Overview - Tianshan Er Road Station is located at the intersection of Tianshan Er Road and the planned Xincheng Er Road, featuring 4 entrances and 2 wind shafts [3] - The public area of the station utilizes a two-level underground prefabricated structure made up of 58 prefabricated components, while the equipment area consists of a two-level cast-in-place frame structure [3] Group 2: Challenges and Solutions - The project team faced multiple challenges, including a lack of experience in prefabricated construction, high precision requirements for assembly, difficulties in waterproofing joints, and significant safety risks during hoisting operations [3] - To address the core issue of assembly precision, the project team established a technical task force in collaboration with the Qingdao Metro Group and the Second Construction Division, learning from advanced experiences [3] - The team successfully completed the assembly of all 326 prefabricated components with millimeter-level precision by employing rotating hoisting tools, strict process and craft disclosures, and high-precision total stations with digital auxiliary tools for comprehensive measurement and control [3] Group 3: Future Plans - The project team will now focus on the construction of the station's ancillary structures, maintaining a rigorous and pragmatic approach to ensure the safe and high-quality advancement of subsequent engineering works [3] - The ultimate goal is to contribute to the timely operation of Qingdao Metro Line 15, enhancing efficient urban transportation [3]