“A Sudarshan (Tunnel Boring Machine) has started tunneling work on the Delhi-Ghaziabad-Meerut RRTS corridor from Anand Vihar station in the direction of Sahibabad,” the National Capital Region Transport Corporation said in a statement.
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://eng.bharattimes.co.in/rrts-corridor-tunnel-construction-started-from-anand-vihar-towards-sahibabad/
RRTS Corridor: Tunnel construction started from Anand Vihar towards Sahibabad
eng.bharattimes.co.inTunnel rings are made underground by TBM with the help of tunnel sections. Normally seven tunnel sections are used to form the tunnel ring, the statement