Urban Rail Project Cores Through the Big Apple
Using Novel Conveyor and TBM Technology
- The Continuous Conveyor system consists of every type of belt conveyor
- The Robbins TBM excavated faster than another manufacturer’s machine boring the project’s parallel tunnels
- The setup included a 23 m (75 ft) tall vertical belt conveyor
- The retractable Robbins TBM was utilized on four different tunnels, using a collapsible "umbrella" type system of hydraulic extensions