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Robbins EPBs in Action: Xi'an Metro

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Uploaded on May 3, 2011

Highly variable, water bearing soils and a settlement restriction of only 15 mm have made Xi'an's Metro Line 1 the most complex in the city. Answering the challenge, two Robbins 6.2m EPBs with smooth flow cutterheads have kept abrasive ground under control while achieving the best advance rates on the project.

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