Workers operate at the Yunchaojian River Tunnel of the Beijing-Tangshan Intercity Railway. As the integration of the Beijing-Tianjin-Hebei continues its advancement, the Beijing-Tangshan Intercity Railway is accelerating its tunneling 30 meters underground in the Tongzhou district of Beijing. Ensuring operational safety is extremely important and cannot tolerate any mistakes," said Sun Lijun, from China Railway 14th Bureau Group Corporation Limited, …
The Yunchaojian River Tunnel of the Beijing-Tangshan Intercity Railway is under construction. The "Jingtong" shield machine has a total length of about 138 meters, resembling a small train with four different sets of functional flatcars connected in sequence. The "Jingtong" shield machine successfully crossed the 150-meter span of the Yunchaojian River at this location, with only 12 meters between the …
