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Uttarkashi Tunnel Collapse: What is rat hole mining, traditional mining method being used to rescue 41 trapped workers?

DNA Tuesday, 28 November 2023
With obstruction caused by large metal pieces and the breaking of the auger, the rescuers are now using rat-hole mining to drill through the remaining few meters. Here is what it is, and how it can be beneficial.
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Video Credit: Oneindia - Published
News video: Uttarkashi Tunnel Rescue: 3 metres to go | Drilling at Silkyara site comes to an end | Oneindia

Uttarkashi Tunnel Rescue: 3 metres to go | Drilling at Silkyara site comes to an end | Oneindia 05:39

 Uttarkashi tunnel rescue LIVE Updates: Close to full rescue now. An alternative drilling approach was adopted after a large auger machine became stuck on Friday. Rat-hole mining specialists engaged in rescuing 41 workers trapped in the collapsed Silkyara tunnel in Uttarakhand's Uttarkashi initiated...

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