济南轨道交通6号线山大南路站至茂岭山路站盾构区间双线贯通

Group 1 - The construction of Jinan Metro Line 6 has reached a significant milestone with the successful completion of the double-line tunneling between Shanda South Road Station and Maoling Mountain Road Station, marking the "tunnel completion" from Dongcang Station to Liangwang Vehicle Base [2] - All 32 stations along Line 6 are currently under construction, with 29 stations having completed the main structure and 30 sections achieving double-line tunneling [2] - The geological conditions for the section between Shanda South Road Station and Maoling Mountain Road Station are complex, involving challenges such as high-strength boulders, construction debris, and various underground pipelines [2][3] Group 2 - The project team, consisting of China Railway Shandong Investment, Jinan Rail Transit Group, and China Railway No. 2 Engineering Group, has implemented meticulous planning and risk control measures to address the challenging construction environment [3] - Innovative techniques and precise control of tunneling parameters have been employed to ensure safety and efficiency during the construction process, particularly in the challenging areas under the Yaotoukou Bridge [3] - The successful tunneling through complex geological conditions has not only achieved a critical milestone but also provided valuable experience for future projects in similar challenging environments [3]