Chongtai Yangtze River Tunnel shield tunnelling site. Credit: China Railway Tunnel Group/Business Wire. China’s intelligent shield tunnelling technology has been successfully implemented in the ...

For the difference of rock and soil strength on the tunneling face, curved tunneling, and the top-heavy structure of the main machine forming the complex geological structure, the adoption of uniform ...

Linghang, better known as the world’s largest-diameter high-speed railway shield tunneling machine, crossed the 6.2-mile (10,000-meter) tunneling milestone on Tuesday, as reported by the China Media ...