Menu

Milestone for hard Rock Tunnelling: Final double Breakthrough Follo Line in Norway

 

The construction of Norway's longest railway tunnel marked a breakthrough for the use of tunnel boring machines in hard rock tunnelling. In Scandinavia long rail tunnels have hitherto been drilled and blasted rather than bored. In the Follo Line Project, the tunnel boring machines made a convincing case for themselves all the way through the extremely hard Norwegian rock. Four tunnel boring machines (TBMs) by Herrenknecht worked simultaneously to excavate the main part of two 20-kilometer railway tunnels between Oslo and Ski. On February 26, 2019, the final double breakthrough of the Double Shield TBMs "Anna" and "Magda" successfully completed the challenging mission and drew a spectacular close.

Read more...

Hard Rock TBM »Ulrikke« takes Tunnelling in Norway to the next Level

Whether it's a world record with the longest railway tunnel on earth at the Brenner or the epoch-making Gotthard project: the business of mechanized tunnel boring through hard rock is currently reaching new heights in Europe. Now Scandinavia is discovering the advantages of mechanized tunnelling. With the breakthrough at the Ulriken Tunnel, the first major tunnel project in Norway using a Herrenknecht Gripper TBM has been successfully completed.

Read more...

Joy Global announces Agreement to be acquired by Komatsu in $3.7 billion all-cash Transaction

  • Komatsu committed to long-term growth of Joy Global, which will operate as a separate subsidiary of Komatsu

Joy Global Inc. (NYSE: JOY), a worldwide leader in high-productivity mining solutions, recently announced that its Board of Directors has unanimously approved a definitive merger agreement under which Komatsu America Corp., a subsidiary of Komatsu Ltd. (TYO: 6301), will acquire Joy Global in a transaction valued at approximately $3.7 billion, including Joy Global’s outstanding indebtedness.

Read more...
Subscribe to this RSS feed

Our Web Adresses

Idea and Programming