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Hyperbaric Tunneling » Hyperbaric Tunneling Projects Overview
Shield tunnelling started from the entry shaft on the south side of the Elbe in Waltershof. The tunnel went under the Elbe and the north bank of the Elbe to emerge in the reception shaft in Othmarschen. read more »
The bores of the tunnel under the River Westerschelde in the Netherlands were driven using the hydroshield tunnelling method with subsequent segment lining. The tunnel diameter was 11.33 metres and the two bores were each 6,600 metres long. read more »
The tunnel was lined with reinforced concrete segments. Each ring consists of 6 standard segments and one key. The segments are 0.50 metres thick and 1.50 metres wide; each weighs approx. 11 metric tonnes. read more »
Nordseetaucher GmbH was contracted by Herrenknecht to replace the cutting tools in the cutter head in conjunction with their engineers. read more »
The Nanjing Yangtze River Crossing Tunnel is a 2.990 km long twin tube crosses the river Yangtze in Nanjing, China. Two Slurry-TBMs (Ø 14.96 m) are in use to excavate the tunnel in soft alluvium strata. read more »
The Esfahan Metro Tunnel is a 4.550 km long twin tube between Shohada Aquare and Azadi Aquare. The west and the east tunnel crosses the river Zayandehrood in the south of Esfahan, Iran. read more »
All 4 seals of the Main Drive Sealing System of a TBM were worldwide changed in overpressure in June 2012 for the first time. The unusual feature of this repair primarily consisted that the seals had to be changed, not like in the manufactory in a horizontal layer, in a vertical layer. read more »
CCCC Nanjing Weisan Road River-Crossing Project read more »
CRCC 15th Bureau Guangshengang Railway Tunnel Project read more »
Eurasia Tunnel – Bosporus Crossing - Istanbul Strait Road Tube Crossing Project read more »
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