Geotechnical instrumentation, in situ testing; hydrogeological testing, characterization, measuring systems; data acquisition and monitoring systems; data visualization, data management systems; Hidcon, high deformable concrete elements for tunneling.
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Contractors battle to extract TBM after silt breaches tunnel
February 28, 2011
rockman
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A TBM is stuck on a 2.85m diameter stormwater tunnel in Lancashire, UK. The tunnel is planned to be 3.5-km long, but has been stalled since November when the silt intrusion stopped the tunnel boring […]

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Geotehnic Student
A group for geotechnical students in Iran Visit Geotehnic Student

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Akkerman Inc.
Manufacturer of microtunneling, pipejacking, tunneling, guided boring and earth pressure balance equipment for tunnels up to 14-ft in diameter. Visit Akkerman Inc.