Giresun Kovanlık Hydroelectric power tunnelling breakthrough
In Giresun (Karadeniz -Black Sea part of Türkiye), the Tunnel Boring Machine 'Ayşen' achieves break...Reply on topic: Robbins Crossover holes through in the Andes in Chile
https://www.robbinstbm.com/los-condores-breakthrough/Robbins Crossover XRE TBM breaks three separate world records for the third consequtive time!
Robbins' Crossover XRE TBM breaks three world records again. From Robbins site: `The 13.77 m (45.18 ft) X...ailway Project for the TCDD. Not bad! https://www.robbinstbm.com/esme-breakt...
cover tunnel photo by: Matt Brown from London, England / CC BY
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