In Jilin, one of the three provinces of Northeast China, a 7.9 m (26 ft) diameter Robbins Hard Rock Main Beam TBM has ac...
Clearing another major milestone toward the modernization of the state’s water delivery system, the California Departm...
On May 5, 2017, CREG’s 3.5-m diameter gripper TBM Lèa made its first breakthrough of Tunnel Drive 3 in the Greater Be...
