新春走基层 | 地下15米的 “开路先锋”

Core Viewpoint - The article highlights the operation of a shield tunneling machine in the construction of the Shijiazhuang Metro Line 5, emphasizing the importance of skilled operators and the challenges faced in underground construction. Group 1: Shield Tunneling Machine - The shield tunneling machine, essential for modern metro construction, integrates excavation, support, and spoil removal, allowing for stable underground progress while preventing surface collapse [2][4] - The specific machine operated by the skilled worker is currently creating a 743-meter-long underground tunnel for the Shijiazhuang Metro Line 5 [2][5] Group 2: Operator's Role and Challenges - The operator, with 20 years of experience, plays a crucial role in controlling the tunneling process, ensuring safety and direction, and is recognized as a key figure in the tunneling team [9] - The confined space of the tunnel presents significant challenges, making repairs and adjustments more difficult compared to surface operations [9][10] Group 3: Work Environment and Culture - The construction team works continuously, with a daily progress of approximately 10 meters, reflecting the relentless pace of urban underground development [5] - Despite the demanding work conditions, including missing holidays with family, the team maintains a strong sense of commitment to completing the project by the target date of 2027 [11][14]