The Hindu·3 min read·medium
Chennai Metro Rail set to bore beneath existing tunnel in Nandanam
S
Sunitha Sekar
✦AI Summary
Chennai Metro Rail is currently boring a new tunnel for the phase II network directly beneath an existing phase I tunnel in Nandanam. Engineers are monitoring vibrations in real-time to ensure the structural integrity of the operational line remains intact.
In a couple of days, as you travel in Chennai Metro Rail trains through the tunnel of the phase I network at Nandanam, a mammoth tunnel boring machine (TBM) would be quietly crawling underneath, creating another tunnel in which commuters will travel in future.
sciencetechnology
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