Alessandra” the 12.2m diameter single shield Herrenknecht TBM has achieved a key breakthrough on the northern section of the ...
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Sydney Metro West’s two Herrenkencht 7m diameter TBMs Jessie and Ruby are being recovered from deep beneath the Sydney ...
TERRATEC has been selected to supply an EPBM for the final section of Palermo’s underground ring railway, covering the ...
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