Robbins TBM all wrapped up in Iceland
May 27, 2008
Tunneling at the massive Kárahnjúkar Hydroelectric Project is now complete with the recent breakthrough of a Robbins TBM at the Jökulsá Diversion Tunnel. On April 9, 2008, the 7.2 m (23.7 ft) diameter machine ended its record-setting 8.7 km (5.4 mi) long drive. The breakthrough brings to a close nearly 50 km (31 mi) of bored tunnels using three Robbins machines and spanning four years of construction.
The Jökulsá Diversion Tunnel is part of the last stage of construction, adding additional water from Ufsarlón Watershed to the main headrace tunnel. Concrete work is ongoing in the bored tunnel -- floors are being concreted and the walls are being lined with mesh and shotcrete. Water will begin flowing through the tunnel in early August 2008.
The Robbins Company
29100 Hall Street
Solon, OH 44139
Brianna Home, Marketing Director
Phone: +1 253 872 4484
Desiree Willis, Technical Writer
Phone: +1 253 872 4490
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