Tunnel Boring Machines. These massive machines are essentially moving factories that cut through the rock, excavate the waste out of the back, and install the concrete shielding, all while pushing itself along like an inchworm.
Plumstead portal tunnelling works % Crossrail's fifth tunnelling machine, Sophia, launched in January this year. Our sixth and seventh tunnel boring machines will begin further tunnelling work in Plumstead and Pudding Mill Lane later this year.
Global & Chinese Tunnel Boring Machine Market 2021 Trend & Forecast Report
Forecast and Trend Analysis on Global and Chinese Tunnel Boring Machine Industry 2016 @ http://orbisresearch.com/reports/index/global-and-chinese-tunnel-boring-machine-industry-2011-2021-market-research-report .