（新春走基层）建设者春节坚守岗位 地下掘进大湾区交通动脉

Core Insights - The construction of the Guangzhou South to Guangzhou Station link line, known as the "Guangnan Link Line," is a critical project for the Greater Bay Area's transportation network, with construction ongoing during the Spring Festival [1][5] - The "Tianyou" large-diameter shield machine, with a maximum excavation diameter of 12.86 meters and a total weight exceeding 3,200 tons, is being utilized for the challenging West Lang Tunnel segment, which spans approximately 13.2 kilometers [1][3] - The project team has implemented a digital control system based on "smart empowerment," utilizing BIM technology for 3D simulation and frequent posture re-measurement to ensure safe and efficient progress during the holiday period [3] Project Details - The West Lang Tunnel has a maximum depth of 61 meters, and the "Tianyou" shield machine is tasked with a 4,196-meter excavation section, equipped with advanced systems to handle complex geological conditions [1][3] - During the Spring Festival, the project team established five special groups to ensure rapid excavation and implemented a 24-hour monitoring system for safety and quality control [3][3] - The completion of the Guangnan Link Line will enable a 15-minute direct connection between Guangzhou South Station and Guangzhou Station, significantly enhancing regional transportation connectivity and supporting high-quality development in the Guangdong-Hong Kong-Macau Greater Bay Area [5]