Automation insulates work on Qinghai-Xizang Railway
Tech used to make life on the line easier in harsh, high-altitude environments
Today, Hao pushes an inspection trolley along the rails. As the trolley moves, instruments collect data automatically, measuring the condition of the track and sending results to technicians. The system helps identify where maintenance may be needed before a problem becomes more serious.
Where early operations relied on manual labor and hard-won experience, the modern line is insulated by automated data arrays, remote monitoring and predictive smart alerts.
But when a warning appears, the work ultimately returns to human hands. Someone has to put on a thick coat, carry equipment and step back into the wind and thin air.
Back at the Nagchu workshop, the "deadly 23 steps" remain exactly where they were. They are short enough to look entirely ordinary — and high enough to remind anyone who climbs them precisely where they are standing.
luowangshu@chinadaily.com.cn
