PROF. DIPL.-ING. H. QUICK • INGENIEURE UND GEOLOGEN GMBH New Tunnel Mainz · Germany Mainz centre North Mainz main station South Mannheim fill clay, silt, marl limestone bed 1.292m North South fill East West fill ~50 m clay, silt, marl clay, silt, marl ~30 m max. 120 m bolting 1-1.5 m shotcrete lining concrete inner lining 1-1.5 m top heading top heading excavation bench/invert sidewall drift gw fill sidewall drift sidewall drift fill fill gw bench/ invert limestone bed Client Eisenbahn Bundesamt (EBA) Developer Deutsche Bahn AG Length of tunnel 1300 m Section 130 m² (full section) Diameter 12.8 m Tunnelling method Shotcrete tunnelling with sidewall drifts Time of construction 1998 – 2001 Tasks Geotechnical and tunnelling approval for the German Railway Authority
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