An auger boring machine is used to drill earth horizontally. It consists of a cutting head, a flighted drive tube, and the drive mechanism to supply the force to push the auger through the earth. The ...

As operations entered the 13th day to rescue labourers trapped in the Uttarakhand tunnel, work on horizontal drilling to create an access passage from the Silkyara end—considered the most promising ...

After a brief glimmer of hope in the rescue of 41 labourers stuck inside the collapsed Silkyara tunnel in Uttarkashi district of Uttarakhand, the operation witnessed a setback again as the blades of ...