The fully automated vertical shaft boring machine, Qiming, is launched in Taicang city of Jiangsu province. [Photo provided to chinadaily.com.cn] The world's largest-in-diameter automated vertical ...

For the James W. Fowler Co. of Dallas, Ore., using a vertical shaft machine made by Germany’s Herrenknecht for a 145-ft-deep, 30-ft-dia launching portal as part of a $32-million sewer upgrade project ...

Shaft sinking original-equipment manufacturer Herrenknecht is engaged in numerous feasibility studies with mining contractors in South Africa and other African countries, such as Zambia, for the ...

The vertical boring option was picked as the next best alternative after the latest in a series of snags that hit the horizontal drilling operation from the tunnel’s Silkyara-end, where an estimated ...

On the first day of this new method, nearly 20 meters were drilled into the hill above the tunnel. The decision to opt for vertical boring came after challenges arose in the horizontal drilling ...

Rescuers began drilling into the hill above the Silkyara-Barkot tunnel Sunday, boring nearly 20 metres on the first day of adopting the new approach to reach 41 workers trapped inside for 14 days. The ...