隧道“体检”

Core Viewpoint - The article highlights the operational challenges and innovations in the Harbin-Mudanjiang High-Speed Railway, particularly focusing on the maintenance of the Wangfeng West Mountain Tunnel during the busy Spring Festival travel period. Group 1: Operational Challenges - The Wangfeng West Mountain Tunnel, at 3130 meters, is the longest of the 39 tunnels along the Harbin-Mudanjiang High-Speed Railway and is crucial for ensuring smooth railway operations [1] - The tunnel is located in a high-cold mountainous area where extreme winter temperatures can drop below -30 degrees Celsius, leading to ice formation that poses risks to train safety [1] - Workers have historically faced difficulties with ice buildup, which required manual labor to remove, causing physical discomfort and safety concerns [1] Group 2: Innovations and Solutions - In 2025, the work team installed drainage pipes and nano electric heating rods in the tunnel, effectively providing a "geothermal" solution to combat ice formation [1] - During the Spring Festival, the team is responsible for ensuring the stability and reliability of this new system to maintain safe railway operations [1] Group 3: Workforce and Experience - The article features experienced workers like Gao Fujun, who has worked in the railway industry for 37 years, and his young apprentice, Guo Zhaoming, highlighting the transfer of knowledge and skills within the workforce [2] - The dedication of the team is evident as they conduct inspections during early morning hours to ensure operational safety [3]