Technical aspects of shield TBMs
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Article
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2010
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Wiley (John Wiley & Sons)
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English
β 460 KB
## Abstract The EPB shield S300 for the M30 motorway tunnel in Madrid has an outer cutting wheel (Γ 15.20 m) and a coaxial inner cutting wheel (Γ 7.0 m). The breakthrough in the large tunnel took place in July 2006, 4 months earlier than planned (Photo: Herrenknecht AG). Der EPBβSchild Sβ300 fΓΌr d