Big TBM milestone world's longest highway tunnel construction China
...ure, low oxygen content 4 Highs: high ground stress, high pressure groundwater, high seismic intensity,...us slate, quartz schist and marble and.... Geological activities and groundwater make mud outbursts and la...Świna tunnel progress: GULERMAK PORR's CREG TBM already bored 1000 meters and through the river bed
https://www.youtube.com/watch?v=rcuwenFpE58 The Tunnel Boring Machine has completed excavating under river bed and reached the Wolin Island on the other bank of Świna strait after boring 1 km in Świnoujście.Robbins Rectangular Tunnel Boring Machine is operational in Mexico
...mediately available for use by the rubber tired vehicles. At Fresnillo, a silver mine in Mexico, Robbins and the mine operator are making good headway on accessing a deep undergr...Robbins Rectangular Tunnel Boring Machine is operational in Mexico
...mediately available for use by the rubber tired vehicles. At Fresnillo, a silver mine in Mexico, Robbins and the mine operator are making good headway on accessing a deep undergr...Robbins Rectangular Tunnel Boring Machine is operational in Mexico
...mediately available for use by the rubber tired vehicles. At Fresnillo, a silver mine in Mexico, Robbins and the mine operator are making good headway on accessing a deep undergr...Robbins XRE TBMs Cross the Finish Line in Massive Metro Project
...approximately 22 m (72 ft) below mean sea level. As anticipated with circumstances such as these, the Crossovers faced a significant amount of groundwater with up to 300 liters/min...Poland's President visits Świną Tunnel site to attend GULERMAK's TBM breakthough ceremony
...is 1,780 meters long including the sections constructed using roofing methods. https://radioszczecin.pl/1,428799,wyspiarka-juz-u-celu-prezydent-odwiedzi-swinoujsGülermak successfully finishes excavation of 14,5 kilometer long Narlıdere subway in İzmir.
Gülermak's Tunnel Boring Machine successfully finishes tunelling between Fahrettin Altay and Narlıdere. This subway tunnel goes along the İzmir bay coast...
cover tunnel photo by: Matt Brown from London, England / CC BY
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