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Gallery: Breakthrough achieved on Ohio sewer tunnel project
Ground condition concerns have been overcome on a tunnelling scheme in Ohio, US using a tunnel boring machine (TBM) capable of operating in both earth pressure balance and hard rock single shield modes.
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Technical paper: Considerations on the design of steel helical piles – or “screw piles” – to BS 8004:2015
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Technical paper: Construction of a reinforced soil wall for a working platform for 1000t crane and TBM on the Elan Valley Aqueduct
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Tunnelling starts on the Grand Paris Express
Grand Paris Express project promoter Société du Grand Paris has announced that the first tunnel boring machine (TBM) on the scheme has started its drive.