6号线西段 机电安装、铺轨均已完成85% 齐鲁晚报·齐鲁壹点记者 季明智 孟杰 春节假期刚过，济南轨道交通各重点项目建设现场，已是一片热火朝天的繁忙景象，全体建设者以"起 步即冲刺、开局即决战"的奋斗姿态，抢抓施工黄金期，全力跑好开年"第一棒"。 走进济南轨道交通6号线济南站施工现场，地面石材铺贴已基本完成，工人们正在加紧进行墙面铝板安 装。"这个站的中柱采用永临结合的圆柱设计，后期将进行外包装，与其他车站的方柱形成鲜明对 比。"现场施工负责人介绍。 春节期间，6号线西段（北坦站至第一医科大学西门站）不间断施工。截至目前，12座车站中已有11座 完成主体结构封顶，12个区间实现双线贯通，机电安装施工完成85%，铺轨工作已完成85%。 轨道交通7号线 19台盾构机正在掘进 在7号线洪楼广场站（以下均为工程名），盾构机正在同步掘进。"洪楼广场站到山大路区间主要以富水 闪长岩地层为主，容易出现地下水喷涌。"现场施工负责人介绍，"我们选用了双螺旋盾构机，根据不同 地质及时调整掘进参数，严格打造无超标错台、无破损、无渗漏、无污染的'四无'精品隧道。" 春节假期，7号线7个关键站点持续施工，700余名建设者坚守一线。节后 ...

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 - Qingdao Metro has made significant progress in the construction of multiple lines, including the completion of key milestones such as section connectivity and station topping out, laying a solid foundation for future operations [1][3][5][6] Group 1: Line Developments - The second phase of Line 2 has successfully passed acceptance for the Longchuan Road Station's auxiliary entrance, marking a critical step towards its operational readiness [3] - The construction of Line 5 has advanced with the successful completion of the right line shield tunneling between Ditie Dasha Station and Chuzhou Road Station on July 15 [3] - Line 6's second phase achieved a major milestone with the topping out of the main structure at Chaoyang Mountain Road Station on July 13, becoming the first underground station to reach this stage [3] Group 2: Multiple Line Progress - Line 9 is experiencing rapid progress, with Xijing Station achieving both the topping out of its main structure and the completion of the A entrance underground passage within a month [5] - The right line tunnel between Huicheng Road Station and Yuhuangling Station has been successfully completed using TBM tunneling [5] - The shield machine for the section between Chengzi Station and Huacheng Road Station has also successfully completed its tunneling operations [5] Group 3: Additional Line Achievements - The shield tunneling for the section between Huacheng Road Station and Zhengyang Middle Road Station has commenced with the "Municipal Iron Army No. 11" shield machine [6] - The TBM left line tunneling between Tianshan First Road Station and Tianshan Second Road Station on Line 15 has successfully achieved dual line connectivity [6] - The main structure of Gouchai Station, including the 3rd and 4th ventilation shafts, has been completed on schedule, facilitating further project advancement [6]

Group 1: Metro Line 2 Phase II - The main structure of Longchuan Road Station has successfully topped out, achieving multiple records and completing the main structure 20 days ahead of schedule [3] - The station is part of the 8.9 km underground Line 2 Phase II, which connects the eastern part of Licang District with the city center and is expected to enhance transportation convenience for residents [3] Group 2: Metro Line 5 - The construction of the section between Changle Road Station and Eight Number Pier Station has achieved a breakthrough in shield tunneling technology under complex geological conditions, with a settlement control precision of 0.54 mm [5] - The completion of the protective pile construction at Lake Island Station has laid a solid foundation for subsequent excavation and structural work, finishing 69 days ahead of schedule [5] Group 3: Metro Line 7 - The main structure of all 7 stations in the second phase of Line 7 has been topped out, marking significant progress and multiple firsts in the construction timeline [6] - This line will facilitate rapid north-south connectivity, enhancing urban rail transit and boosting economic development along the route [6] Group 4: Metro Line 9 - The successful tunneling of the "Yongxing No. 1" shield machine under the墨水河 marks a record for the longest waterway crossing (130 meters) in the construction of Qingdao Metro Phase III [7] - The first phase of Line 9 is a key east-west backbone line in northern Qingdao, with a total length of 16.63 km and 13 stations planned [7]