Yamamoto Insights

World Tunnel Congress 2026 has wrapped up in Montréal, and it was a week well spent. Here’s a look back at the congress and our time on the show floor. [...]

The World Tunnel Congress is coming to Montréal this May, and Yamamoto Rock Splitter will be there. If you’re attending WTC 2026, here’s everything you need to know — and where to find us on the show floor.  [...]

Andrade Gutierrez, a contractor working on a Algeria drainage tunnel project, successfully constructed a 3,600 feet (1,100-meter) drainage tunnel system to combat urban flooding. Facing challenges with traditional excavation methods [...]

At Birla Cement’s limestone mine in Rajasthan, India, a centuries-old fort overlooking the site has ruled out the use of blasting. For years, this created major challenges: the extremely hard [...]